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WO2014067039A1 - Procédé de transmission, équipement utilisateur, dispositif de commande de réseau de radiocommunication et station de base - Google Patents

Procédé de transmission, équipement utilisateur, dispositif de commande de réseau de radiocommunication et station de base Download PDF

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Publication number
WO2014067039A1
WO2014067039A1 PCT/CN2012/083647 CN2012083647W WO2014067039A1 WO 2014067039 A1 WO2014067039 A1 WO 2014067039A1 CN 2012083647 W CN2012083647 W CN 2012083647W WO 2014067039 A1 WO2014067039 A1 WO 2014067039A1
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WO
WIPO (PCT)
Prior art keywords
prach channel
cell
channel
random access
prach
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2012/083647
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English (en)
Chinese (zh)
Inventor
冯莉
庞伶俐
郑潇潇
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to PCT/CN2012/083647 priority Critical patent/WO2014067039A1/fr
Priority to CN201280001410.7A priority patent/CN104081859B/zh
Publication of WO2014067039A1 publication Critical patent/WO2014067039A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery

Definitions

  • the present invention relates to the field of communications, and more particularly to a transmission method, a radio network controller and a base station. Background technique
  • the downlink-triggered HS-DPCCH Dedicated Physical Control Channel (uplink) for HS-DSCH (High Speed Downlink Shared Channel), HS-DSCH uplink control channel) transmission (DL triggered HS-DPCCH transmission) Back to PRACH (Physical Random Request) access (Fallback to R99 PRACH), TTI (Transmission Time Interval) alignment, interference control, or 2ms and 10ms TTI coexistence And other characteristics.
  • HS-DPCCH Dedicated Physical Control Channel (uplink) for HS-DSCH (High Speed Downlink Shared Channel), HS-DSCH uplink control channel) transmission (DL triggered HS-DPCCH transmission)
  • PRACH Physical Random Request
  • TTI Transmission Time Interval
  • interference control or 2ms and 10ms TTI coexistence And other characteristics.
  • the UE in the CELL_FACH (Cell Forward Access Channel) state selects the corresponding PRACH channel and the available signature according to its own capabilities before transmitting the uplink data; the UE transmits the preamble with the selected signature on the selected PRACH channel.
  • the base station can obtain the capability of the UE according to the signature monitored on the PRACH channel. It should be noted that the PRACH channel and available signature information are sent by the RNC to the base station and the UE.
  • each cell of the system message carries channel information.
  • the cell is configured with two PRACH channels, and the available PRACH channels and available signatures are divided into three types, corresponding to three cells.
  • the system message includes three cells, and the channel information of two PRACH channels is carried in all three cells. It can be seen that the channel information of the same PRACH channel is rewritten twice, and the channel information of each PRACH channel takes up a large space, such as the preamble scrambling code occupying 4 bits and the AICH (Acquired Indicator Channel). The channel occupies 8bit and so on.
  • the embodiments of the present invention provide a transmission method, a radio network controller, and a base station, which can save space for system messages, improve resource utilization, and reduce delays for user equipment to read system messages.
  • a transmission method comprising: receiving a radio network controller
  • the system message includes at least one first cell and at least one second cell, where the first cell carries a physical random access channel PRACH channel indication, and the PRACH channel indication is used to indicate a PRACH channel corresponding to a cell, the different second cells carrying different PRACH channel information; determining a corresponding first cell in the at least one first cell according to a capability of the user equipment UE; Determining the PRACH channel carried by the corresponding first cell indicates that the corresponding second cell in the at least one second cell acquires the PRACH channel information.
  • the specific implementation may be: the first cell further carries a list of available signatures corresponding to the PRACH channel, where the PRACH channel information includes a PRACH channel preamble scrambling code and The indicator channel AICH channel code is captured.
  • the determining, according to a capability of the UE, a corresponding first cell in the at least one first cell may be: determining a corresponding first cell in the at least one first cell according to the capability of the UE and the length of the transmission time interval TTI selected by the UE.
  • the specific implementation may be: selecting a signature in the list of available signatures corresponding to the PRACH channel; carrying in the corresponding first cell determined according to the UE
  • the PRACH channel indicates that after the corresponding second cell of the at least one second cell acquires the PRACH channel information, the specific implementation may be:: according to the PRACH channel information and the selected signature, to the base station on the corresponding PRACH channel. Send the preamble sequence.
  • the specific implementation may be:
  • the first cell corresponds to a type of the random access preamble control parameter
  • the type of the random access preamble control parameter includes a random access preamble control parameter extension table
  • the random access preamble control parameter extension table includes at least one random Accessing preamble control parameter extensions, each of the random access preamble control parameter extensions including a list of available signatures corresponding to a PRACH channel and an indication of a The PRACH channel indication of the PRACH channel; wherein the different first cells correspond to different types of random access preamble control parameters.
  • the specific implementation may be:
  • the PRACH channel is indicated as a bitmap or a Boolean type.
  • the specific implementation may be:
  • the capability of the UE includes at least one of the following: support for activating and deactivating a hybrid automatic repeat request, supporting transmission time interval alignment, and supporting transmission time interval coexistence.
  • the specific implementation may be:
  • the capabilities of the UE include support for transmission time interval ⁇ coexistence and selection of 10ms TTI, or support for coexistence and selection of 2ms TTI, or support for activating and deactivating hybrid automatic repeat request and ⁇ alignment and support for coexistence and selection of 2ms TTI.
  • a second aspect provides a transmission method, the method comprising: generating a system message, where the system message includes at least one first cell and at least one second cell, where the first cell carries a physical random access channel a PRACH channel indication, where the PRACH channel indication is used to indicate a PRACH channel corresponding to the first cell, and different second cells carry different PRACH channel information; and send the system message to the UE, so that the UE Determining, according to the capability of the UE, a corresponding first cell of the at least one first cell, and indicating, according to the UE, the PRACH channel indication carried by the corresponding first cell in the at least one second cell The corresponding second cell acquires the PRACH channel information.
  • the specific implementation may be: the first cell further carries a list of available signatures corresponding to the PRACH channel, where the PRACH channel information includes a PRACH channel preamble scrambling code and The indicator channel AICH channel code is captured, so that the UE selects a signature in the available signature list corresponding to the PRACH channel, and sends a preamble sequence to the base station on the corresponding PRACH channel according to the PRACH channel information and the selected signature.
  • the specific implementation may be: generating a physical shared channel reconfiguration request message, where the physical shared channel reconfiguration request message includes the at least one Transmitting, by the first cell and the at least one second cell, the physical shared channel reconfiguration request message to the base station, so that the base station carries according to the at least one first cell
  • the information of the band and the information carried by the at least one second cell determine the capability of the UE transmitting the preamble sequence on the corresponding PRACH channel and/or the length of the transmission time interval selected by the UE.
  • the specific implementation may be: the first cell corresponding to random access a type of the preamble control parameter, the type of the random access preamble control parameter includes a random access preamble control parameter extension table, where the random access preamble control parameter extension table includes at least one random access preamble control parameter extension, each of which The random access preamble control parameter extension includes a list of available signatures corresponding to one PRACH channel and a PRACH channel indication indicating a PRACH channel; wherein different first cells correspond to different types of random access preamble control parameters.
  • the specific implementation may be:
  • the PRACH channel is indicated as a bitmap or a Boolean type.
  • the specific implementation may be:
  • the capability of the UE includes at least one of the following: support for activating and deactivating a hybrid automatic repeat request, supporting transmission time interval alignment, and supporting transmission time interval coexistence.
  • a transmission method including: receiving a physical shared channel reconfiguration request message sent by a radio network controller RNC, where the physical shared channel reconfiguration request message includes at least one first cell and at least one second a cell, the first cell carries a physical random access channel PRACH channel indication, the PRACH channel indication is used to indicate a PRACH channel corresponding to the first cell, and the different second cells carry different PRACH channel information; The channel carried by the first cell indicates that the PRACH channel information is acquired in the corresponding second cell.
  • the specific implementation may be: the first cell further carries a list of available signatures corresponding to the PRACH channel, where the PRACH channel information includes a PRACH channel preamble scrambling code and The pilot channel AICH channel code is received, and the preamble sequence transmitted by the user equipment UE with the signature selected by the UE is received on the corresponding PRACH channel; according to the PRACH channel information and the signature in the available signature list, and the UE selected The signature determines the capabilities of the UE and/or the length of the transmission time interval selected by the UE.
  • the specific implementation may be: the first cell corresponding to a class of random access preamble control parameters
  • the type of the random access preamble control parameter includes a random access preamble control parameter extension table, where the random access preamble control parameter extension table includes at least one random access preamble control parameter extension, and each of the random accesses
  • the preamble control parameter extension includes a list of available signatures corresponding to one PRACH channel and a PRACH channel indication indicating a PRACH channel; wherein different first cells correspond to different types of random access preamble control parameters.
  • the specific implementation may be: the PRACH channel indication is a bitmap or a Boolean type.
  • the capability of the UE includes at least the following One: Supports activation and deactivation of hybrid automatic repeat request, supports ⁇ alignment, and supports TTI coexistence.
  • a fourth aspect provides a user equipment, where the user equipment includes: a receiving unit, configured to receive a system message sent by a radio network controller RNC, where the system message includes at least one first cell and at least one second cell
  • the first cell carries a physical random access channel PRACH channel indication, the PRACH channel indication is used to indicate a PRACH channel corresponding to the first cell, and different second cells carry different PRACH channel information; a unit, configured to determine, according to a capability of the UE, a corresponding first cell in the at least one first cell received by the receiving unit, and an acquiring unit, configured to determine, according to the determining unit, the corresponding first message
  • the PRACH channel carried by the element indicates that the corresponding second cell in the at least one second cell acquires the PRACH channel information.
  • the first cell further carries a list of available signatures corresponding to a PRACH channel, where the PRACH channel information includes a PRACH channel preamble scrambling code and a captured indicator channel AICH channel. code.
  • the determining unit is specifically configured to: according to a capability of the user equipment UE and a transmission time interval selected by the UE The length of the ⁇ determines a corresponding first cell of the at least one first cell.
  • the user equipment further includes a selecting unit, where the selecting unit is used by Selecting a signature in the list of available signatures corresponding to the PRACH channel; the user equipment further includes a sending unit, where the sending unit is configured to use, according to the PRACH channel The information and the selected signature transmit a preamble sequence to the base station on the corresponding PRACH channel.
  • the first Entering a type of the preamble control parameter includes a random access preamble control parameter extension table, and the random access preamble control parameter extension table includes at least one random access preamble control parameter extension, each The random access preamble control parameter extension includes a list of available signatures corresponding to one PRACH channel and a PRACH channel indication indicating a PRACH channel; wherein different first cells correspond to different types of random access preamble control parameters .
  • the PRACH channel indication is a bitmap or Boolean.
  • the capability of the UE includes at least the following One: Supports activation and deactivation of hybrid automatic repeat request, supports ⁇ alignment, and supports ⁇ coexistence.
  • the capability of the UE includes supporting TTI coexistence. And lOms TTI is selected, or TTI coexistence is supported and 2ms TTI is selected, or hybrid automatic retransmission request and ⁇ alignment are supported and deactivated and ⁇ coexistence is supported and 2ms ⁇ is selected.
  • a radio network controller configured to generate a system message, where the system message includes at least one first cell and at least one second cell,
  • the first cell carries a physical random access channel PRACH channel indication, the PRACH channel indication is used to indicate a PRACH channel corresponding to the first cell, and different second cells carry different PRACH channel information;
  • the PRACH channel carried by the corresponding first cell indicates that the corresponding second cell in the at least one second cell acquires the PRACH channel information.
  • the first cell is further carried
  • the PRACH channel information including a PRACH channel a preamble scrambling code and a captured indication channel AICH channel code, so that the UE selects a signature in the available signature list corresponding to the PRACH channel, and according to the PRACH channel information and the selected signature, to the base station on the corresponding PRACH channel.
  • Send the preamble sequence the PRACH channel information including a PRACH channel a preamble scrambling code and a captured indication channel AICH channel code
  • the generating unit is further configured to: generate a physical shared channel reconfiguration request message, where the physical shared channel reconfiguration request message includes
  • the sending unit is further configured to: send the physical shared channel reconfiguration request message to the base station, so that the base station is configured according to the at least one first
  • the information carried by the cell and the information carried by the at least one second cell determine the capability of the UE transmitting the preamble sequence on the corresponding PRACH channel and/or the transmission time interval length selected by the UE.
  • the first cell corresponds to a type of random access preamble control parameter
  • the type of the random access preamble control parameter includes a random access preamble control parameter extension table, where the random access preamble control parameter extension table includes at least one random access preamble control parameter extension, and each of the random access preambles
  • the control parameter extension includes a list of available signatures corresponding to one PRACH channel and a PRACH channel indication indicating a PRACH channel; wherein different first cells correspond to different types of random access preamble control parameters.
  • the PRACH channel indication is a bitmap or Boolean.
  • the capability of the UE includes at least the following One: Supports activation and deactivation of hybrid automatic repeat requests, supports ⁇ alignment and supports TTI coexistence.
  • a base station includes: a receiving unit, configured to receive a physical shared channel reconfiguration request message sent by a radio network controller RNC, where the physical shared channel reconfiguration request message includes at least one first And the at least one second cell, the first cell carries a physical random access channel PRACH channel indication, the PRACH channel indication is used to indicate a PRACH channel corresponding to the first cell, and the second cell is different And carrying the different PRACH channel information; the determining unit, configured to acquire the PRACH channel information in the corresponding second cell according to the channel indication carried by the first cell.
  • the first cell further carries
  • the PRACH channel information includes a PRACH channel preamble scrambling code and a captured indicator channel AICH channel code;
  • the receiving unit is further configured to: at the corresponding PRACH channel, receive the user equipment, and use the UE to select The preamble sequence of the signature transmission;
  • the determining unit is further configured to: determine the capability of the UE and/or the UE according to the PRACH channel information and the signature in the available signature list, and the signature selected by the UE The length of the selected TTI.
  • the first cell corresponds to a type of a random access preamble control parameter
  • the parameter type includes a random access preamble control parameter extension table
  • the random access preamble control parameter extension table includes at least one random access preamble control parameter extension
  • each of the random access preamble control parameter extensions includes a PRACH channel.
  • the PRACH channel indication is a bitmap or a Boolean type.
  • the capability of the UE includes at least the following One: Supports activation and deactivation of hybrid automatic repeat requests, support for ⁇ alignment and support for coexistence.
  • the system message received by the UE from the RNC includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, and different second cells carry different PRACH channel information.
  • the UE may determine, according to the capability of the UE, the corresponding first cell of the at least one first cell; and according to the PRACH channel indication carried by the corresponding first cell, obtain the first corresponding cell in the at least one second cell.
  • the PRACH channel information corresponding to the cell In this way, the same PRACH channel information is not repeatedly carried in different cells, thereby saving system message space, improving resource utilization, and reducing the delay of the UE reading system messages.
  • FIG. 1 is a flow chart of a transmission method according to an embodiment of the present invention.
  • FIG. 2 is a flow chart of a transmission method according to another embodiment of the present invention.
  • FIG. 3 is a flow chart of a transmission method according to another embodiment of the present invention.
  • FIG. 4 is a schematic flow chart of a process of a transmission method according to an embodiment of the present invention.
  • FIG. 5 is a structural block diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram of a radio network controller according to an embodiment of the present invention.
  • FIG. 7 is a structural block diagram of a base station according to another embodiment of the present invention.
  • FIG. 8 is a block diagram of an apparatus in accordance with one embodiment of the present invention.
  • FIG. 9 is a structural block diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 10 is a structural block diagram of a radio network controller according to an embodiment of the present invention.
  • FIG. 11 is a block diagram showing the structure of a base station according to another embodiment of the present invention. detailed description
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • General Packet Radio Service General Packet Radio Service
  • LTE Long Term Evolution
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the user equipment User Equipment, the tube is called “UE" It can be called a terminal, a mobile station (Mobile Station, called “MS”), a mobile terminal (Mobile Terminal), etc., and the user equipment can pass through a radio access network (Radio Access Network, called “RAN”” ) communicating with one or more core networks
  • the user device may be a mobile phone (or “cellular” phone), a computer with a mobile terminal, etc., for example, the user device may also be portable, pocket, handheld Mobile computers built into the computer, or in-vehicle, that exchange voice and/or data with the wireless access network.
  • the base station may be a base station (Base Transceiver Station, called “BTS”) in GSM or CDMA, or may be a base station (NodeB, called “NB”) in WCDMA, or may be
  • BTS Base Transceiver Station
  • NodeB NodeB
  • eNB e-NodeB
  • LTE Long Term Evolution
  • FIG. 1 is a flow chart of a transmission method according to an embodiment of the present invention. The method of Figure 1 is performed by a user equipment.
  • the RNC Receive, by the RNC, a system message, where the system message includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, and the PRACH channel indication is used to indicate a PRACH channel corresponding to the first cell.
  • Different second cells carry different PRACH channel information.
  • the system message received by the UE from the RNC includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, and different second cells carry different PRACH channel information.
  • the UE may determine, according to the capability of the UE, the corresponding first cell of the at least one first cell; and according to the PRACH channel indication carried by the corresponding first cell, obtain the first corresponding cell in the at least one second cell.
  • the PRACH channel information corresponding to the cell In this way, the same PRACH channel information is not repeatedly carried in different cells, thereby saving system message space, improving resource utilization, and reducing the delay of the UE reading system messages.
  • the first cell may further carry a list of available signatures corresponding to the PRACH channel, where the PRACH channel information may include a PRACH channel preamble scrambling code and an AICH channel code.
  • the PRACH channel information may include a PRACH channel preamble scrambling code and an AICH channel code.
  • a corresponding first cell in the at least one first cell may be determined according to a capability of the UE and a transmission time interval length selected by the UE.
  • the capability of the UE may include at least one of the following: Support for Per HARQ process activation and de-activation, supporting TTI Support of TTI alignment or support 2ms/10ms TTI in a cell (Support of Concurrent deployment of 2ms and 10ms TTI in a cell).
  • the system message includes three first cells and two second cells, and the UE that supports 2ms/10ms TTI coexistence and selects 10ms TTI and the first first cell of the three first cells Corresponding (pre-negotiable or predefined), the UE acquires the PRACH channel indication in the first first cell; supports the 2ms/10ms TTI coexistence and selects the 2ms TTI UE and the 2nd of the 3 first cells Corresponding to the first cell, the UE acquires the PRACH channel indication in the second first cell; supports the activation and deactivation of the hybrid automatic repeat request and supports the support, aligns and supports the 2ms/10ms TTI coexistence and selects the 2msTTI
  • the UE corresponds to the third first cell of the three first cells, and the UE acquires the PRACH channel indication at the third first cell.
  • the PRACH channel indication may be a Boolean type.
  • the PRACH channel indication can be a Bit Map. It should be noted that the PRACH channel indication in a first cell may indicate PRACH channel information of one second cell, and may also indicate PRACH channel information of multiple second cells, that is, the UE may be in multiple One PRACH channel is selected among the strip PRACH channels.
  • the cell is configured with three PRACH channels, that is, the system message includes three second cells, and respectively carries PRACH channel information of three PRACH channels.
  • the bitmap occupies 3 bits, 001 indicates the first PRACH channel, and the UE acquires the information of the first PRACH channel in the first second cell of the three second cells; 010 indicates the second PRACH channel, and the UE is at 3
  • the second second cell of the second cells acquires information of the second PRACH channel; 100 indicates the third PRACH channel, and the UE acquires the third second cell of the three second cells.
  • the information of the three PRACH channels; 101 indicates the first PRACH channel and the third PRACH channel, and the UE acquires the information of the first PRACH channel and the third one from the first second cell of the three second cells.
  • the second cell acquires information of the third PRACH channel; and so on.
  • the PRACH channel information of the three PRACH channels will be rewritten twice. If the PRACH channel information of each PRACH channel only includes the PRACH channel preamble scrambling code and AICH The channel code, the PRACH channel preamble scrambling code occupies 4 bits, and the AICH channel code occupies 8 bits.
  • the PRACH channel indication may also adopt an implicit representation method.
  • the system message includes three second cells, that is, channel information including three RACH channels, and the system message further includes three first cells. If the PRACH channel indication of the first first cell of the three first cells indicates three RACH channels, the channel indication may not be explicitly included. By default, the first first cell sequentially instructs the first PRACH channel, the second PRACH channel, and the third PRACH channel, respectively.
  • the system message includes two second cells. If the PRACH channel indication value read by the UE in the corresponding first cell is 1 (True), the UE acquires PRACH channel information in the first second cell of the 2 second cells; if the UE is in the corresponding The PRACH channel indication value read in the first cell is 0 (False), and the UE acquires PRACH channel information in the second second cell of the 2 second cells.
  • the PRACH channel indication may also be adopted in an implicit manner. If the PRACH channel indication is not carried in the corresponding first cell, the UE acquires the PRACH channel in the first second cell of the 2 second cells.
  • the UE acquires PRACH channel information in the second second cell of the two second cells.
  • the RNC may send a system message by means of a broadcast.
  • Each of the first cells in the system message corresponds to a type of random access preamble control parameter (PRACH), and different first cells correspond to different random access preambles.
  • PRACH random access preamble control parameter
  • the type of the control parameter (the correspondence may be predefined)
  • the type of the random access preamble control parameter includes a PRACH preamble control parameter extension list
  • the random access preamble control parameter extension table includes at least one a random access preamble control parameter extension, each random access preamble control parameter extension includes a list of available signatures corresponding to one PRACH channel and a PRACH indicating one PRACH channel Channel indication.
  • the UE may determine a corresponding first cell in the at least one first cell according to the correspondence between the capability of the UE and the information of the random access preamble control parameter type. Further, the UE may determine a corresponding first cell in the at least one first cell according to the capability of the UE and the correspondence between the TTI selected by the UE and the type of the random access preamble control parameter.
  • the PRACH channel indication in this embodiment may be Boolean or bitmap, and the PRACH channel indication in each random access preamble control parameter extension indicates a channel.
  • the system message includes three first cells and three second cells, and the type of the random access preamble control parameter corresponding to the first first cell is Tpye 1 , and Tpye 1 coexists with the support 2 ms/10 ms TTI.
  • the UE that selects the 10ms TTI (referred to as the "first type UE") corresponds to, and the first type of UE can obtain the PRACH channel indication in the first first cell of the three first cells.
  • the type of random access preamble control parameter Tpye 1 includes a random access preamble control parameter extension table Etable 1 , and the random access preamble control parameter extension table Etable 1 includes two random access preamble control parameter extensions, that is, the first type of UE may be in A PRACH channel is selected from two PRACH channels, and a random access procedure is initiated on the selected PRACH channel.
  • the first random access preamble control parameter extension includes a PRACH channel indication, and indicates a first PRACH channel (ie, corresponding to the first second cell of the three second cells), and the first The available signature list corresponding to the PRACH channel Stable 1;
  • the second random access preamble control parameter extension includes a PRACH channel indication, and indicates the second PRACH channel (ie, the second second of the three second cells) The element corresponds to), and the available signature list Stable 2 corresponding to the second PRACH channel.
  • the type of the random access preamble control parameter corresponding to the second first cell is Tpye 2
  • Tpye 2 corresponds to a UE that supports a 2ms/10ms TTI and selects a 2ms TTI (the cylinder is called a "second type UE"), and the second type of UE can be the second first one of the three first cells.
  • the element acquires a PRACH channel indication.
  • the type of random access preamble control parameter Tpye 2 includes a random access preamble control parameter extension table Etable 2
  • the random access preamble control parameter extension table Etable 2 includes one random access preamble control parameter extension, that is, a second type of UE is available.
  • the PRACH channel is selected to be one.
  • the random access preamble control parameter extension includes a PRACH channel indication, and indicates a first PRACH channel (ie, corresponding to a first second cell of the three second cells), and the first PRACH A list of available signatures corresponding to the channel, Stable 3.
  • the type of the random access preamble control parameter corresponding to the third first cell is Tpye 3 , and the Tpye 3 is compatible with the per HARQ activation and deactivation and ⁇ alignment and supports ⁇ coexistence and selects the 2 ms TTI UE (the cylinder is called " Corresponding to the third type of UE"), the third type of UE can be obtained in the third first cell of the three first cells.
  • PRACH channel indication indicates a first PRACH channel (ie, corresponding to a first second cell of the three second cells), and the first PRACH A list of available signatures corresponding to the channel, Stable 3.
  • the type of the random access preamble control parameter corresponding to the third first cell is Tpye 3 , and the
  • the type of random access preamble control parameter Tpye 3 includes a random access preamble control parameter extension table Etable 3, and the random access preamble control parameter extension table Etable 3 includes two random access preamble control parameter extensions, that is, available for the second type of UE. Select two PRACH channels.
  • the first random access preamble control parameter extension includes a PRACH channel indication, and indicates a second PRACH channel (ie, corresponding to the first second cell of the three second cells), and the second The available signature list corresponding to the PRACH channel Stable 4;
  • the second random access preamble control parameter extension includes a PRACH channel indication, and indicates the third PRACH channel (ie, the third second of the three second cells) The element corresponds to), and the available signature list Stable 5 corresponding to the third PRACH channel.
  • the definition of the number of first cells and the UE of the first class UE, the second class or the third class in the above examples is merely exemplary and not limiting. It should also be understood that the type of the random access preamble control parameter in the embodiment of the present invention is not limited to which type of UE.
  • the UE selects one signature in the available signature list corresponding to the PRACH channel, and after step 103, the UE may be in the corresponding PRACH channel according to the PRACH channel information and the selected signature.
  • the preamble sequence is sent to the base station.
  • the base station may detect the PRACH channel and the signature selected by the UE according to the Physical Shared Channel Reconfiguration Request sent by the RNC, and determine the TTI length and/or the capability of the UE selected by the UE. Since the delay in reading the system message by the UE is reduced, the UE is also prolonged when it accesses the network.
  • the channel indication occupation space is smaller than the occupied space of the channel information, and the channel indication is used to indicate the PRACH channel corresponding to the first cell, that is, which PRACH channel (one or more) is indicated by the channel indication, thereby avoiding system message repetition. Carry the same PRACH channel information.
  • the space of the system message is saved, the resource utilization is improved, and accordingly, the time for the UE to receive the system message is reduced, thereby reducing the delay for the UE to read the system message and the UE accessing the network.
  • FIG. 2 is a flow chart of a transmission method according to another embodiment of the present invention.
  • the method of Figure 2 is performed by the RNC. And corresponds to the method of FIG. 1, and thus the description overlapping with the embodiment of FIG. 1 will be omitted as appropriate.
  • 201. Generate a system message, where the system message includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, and the PRACH channel indication is used to indicate a PRACH channel corresponding to the first cell, and different The two cells carry different PRACH channel information.
  • the corresponding second cell in the element acquires PRACH channel information.
  • the system message received by the UE from the RNC includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, and different second cells carry different PRACH channel information.
  • the UE may determine, according to the capability of the UE, the corresponding first cell of the at least one first cell; and according to the PRACH channel indication carried by the corresponding first cell, obtain the first corresponding cell in the at least one second cell.
  • the PRACH channel information corresponding to the cell In this way, the same PRACH channel information is not repeatedly carried in different cells, thereby saving system message space, improving resource utilization, and reducing the delay of the UE reading system messages.
  • the first cell may further carry an available signature list corresponding to the PRACH channel, where the PRACH channel information includes a PRACH channel preamble scrambling code and a captured indicator channel AICH channel code, so that the UE corresponds to the PRACH channel.
  • a signature is selected from the list of available signatures, and the preamble sequence is transmitted to the base station on the corresponding PRACH channel according to the PRACH channel information and the selected signature.
  • the RNC may further send a physical shared channel reconfiguration request message to the base station, where the physical shared channel reconfiguration request message includes the at least one first cell and the at least one second cell.
  • the format of the physical shared channel reconfiguration request message may be consistent with the format of the above system message. In this way, the space for the physical shared channel reconfiguration request message can be saved.
  • the base station may determine the capability of the UE transmitting the preamble sequence and/or the TTI length selected by the UE on the corresponding PRACH channel according to the information carried by the at least one first cell and the information carried by the at least one second cell.
  • the base station receives, on the corresponding PRACH channel, a preamble sequence sent by the UE with the signature selected by the UE, and the base station determines the capability of the UE and/or the UE selection according to the PRACH channel information and the signature in the available signature list, and the signature selected by the UE. length.
  • the base station knows that the channel information of the PRACH channel of the UE transmitting the preamble sequence and the signature selected by the UE may determine which one of the at least one first cell corresponds to the first cell according to the physical shared channel reconfiguration request message, that is, the capability of the UE and the UE The length of the selected TTI.
  • the format of the physical shared channel reconfiguration request message can also adopt the prior art.
  • the manner in which the base station determines the capability of the UE and/or the length of the UE selected by the UE may refer to the prior art. It should be understood that the format of the physical shared channel reconfiguration request message is not limited in the embodiment of the present invention.
  • the first cell may correspond to a type of random access preamble control parameter
  • the type of the random access preamble control parameter includes a random access preamble control parameter extension table
  • the extension table includes at least one random access preamble control parameter extension
  • each random access preamble control parameter extension includes a list of available signatures corresponding to one PRACH channel and a PRACH channel indication indicating one PRACH channel.
  • the different first cells correspond to different types of random access preamble control parameters.
  • the implementation of the first cell corresponding to the random access preamble control parameter extension table is as described above, and details are not described herein again.
  • the PRACH channel indication may be a bitmap or a Boolean type.
  • the implementation of the channel indication as a bitmap or a Boolean type is as described above and will not be described here.
  • the capability of the UE includes at least one of the following: support for activating and deactivating a hybrid automatic repeat request, supporting ⁇ alignment and supporting ⁇ coexistence.
  • the capabilities of the UE include support for coexistence and selection of a 10ms TTI, or support for coexistence and selection of 2ms, or support for activating and deactivating hybrid automatic repeat requests and ⁇ alignment and supporting TTI coexistence and selecting 2ms ⁇ .
  • the channel indication occupied space is smaller than the occupied space of the channel information, and the channel indication is used to indicate the PRACH channel corresponding to the first cell, so as to prevent the system message from repeatedly carrying the same PRACH channel information.
  • the space of the system message is saved, the resource utilization is improved, and accordingly, the time for the UE to receive the system message is reduced, thereby reducing the delay for the UE to read the system message and the UE accessing the network.
  • the manner in which the PRACH channel is indicated in the embodiment of the present invention is not limited. That is, regardless of the manner in which the PRACH channel corresponding to the first cell is indicated, it falls within the scope of the present invention.
  • FIG. 3 is a flow chart of a transmission method according to another embodiment of the present invention.
  • the method of Figure 3 is performed by a base station. And corresponds to the methods of Figs. 1 and 2, and therefore the description overlapping with the embodiment of Figs. 1 and 2 will be omitted as appropriate.
  • 301 Receive a physical shared channel reconfiguration request message sent by the RNC, where the physical shared channel reconfiguration request message includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, and the PRACH channel indication is used to Indicating a PRACH channel corresponding to the first cell, Different second cells carry different PRACH channel information.
  • the physical shared channel reconfiguration request message received by the base station from the RNC includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication and the second is different.
  • the cell carries different PRACH channel information.
  • the base station acquires, according to the PRACH channel carried by the first cell, the corresponding second cell in the at least one second cell to obtain the PRACH channel information corresponding to the first cell. In this way, the same PRACH channel information is not repeatedly carried in different cells, thereby saving space for physical shared channel reconfiguration request messages and improving resource utilization.
  • the first cell may further carry a list of available signatures corresponding to the PRACH channel, where the PRACH channel information includes a PRACH channel preamble scrambling code and a captured indication channel AICH channel code.
  • the base station may receive the preamble sequence sent by the UE with the signature selected by the UE on the corresponding PRACH channel, and after step 302, the base station determines the UE according to the PRACH channel information and the signature in the available signature list, and the signature selected by the UE. Capability and / or UE selected TTI length. Correspondingly, the delay of the UE accessing the network is reduced.
  • the first cell may correspond to a type of random access preamble control parameter
  • the type of the random access preamble control parameter includes a random access preamble control parameter extension table
  • the extension table includes at least one random access preamble control parameter extension
  • each random access preamble control parameter extension includes a list of available signatures corresponding to one PRACH channel and a PRACH channel indication indicating one PRACH channel.
  • the different first cells correspond to different types of random access preamble control parameters.
  • the implementation of the first cell corresponding to the random access preamble control parameter extension table is as described above, and details are not described herein again.
  • the PRACH channel indication may be a bitmap or a Boolean type.
  • the implementation of the channel indication as a bitmap or a Boolean type is as described above and will not be described here.
  • the capability of the UE may include at least one of the following:
  • the capability of the UE includes at least one of the following: support for activating and deactivating the hybrid automatic repeat request, supporting the aligning, and supporting the ⁇ coexistence.
  • the capabilities of the UE include support for coexistence and selection of 10ms TTI, or support for coexistence and selection of 2ms TTI, or support for activating and deactivating hybrid automatic repeat request and ⁇ alignment and support for coexistence and selection of 2ms TTI.
  • the manner in which the PRACH channel is indicated in the embodiment of the present invention is not limited. That is, Which manner indicates that the PRACH channel corresponding to the first cell falls within the scope of the present invention.
  • FIG. 4 is a schematic flow chart of a process of a transmission method according to an embodiment of the present invention.
  • the RNC sends a physical shared channel reconfiguration request message to the NodeB.
  • the NodeB sends a physical shared channel reconfiguration response message to the RNC.
  • the RNC sends a system message to the UE.
  • the RNC can send system messages (eg, system message type 5) in the form of a broadcast.
  • the system message includes at least one first cell and at least one second cell, where the first cell carries a channel indication, the channel indication is used to indicate a PRACH channel corresponding to the first cell, and the first cell can also carry a channel Corresponding information on the list of available signatures and/or random access preamble control parameters.
  • Different second cells carry different PRACH channel information. The following describes three first cells and three second cells as an example.
  • a system message in the form of a table, where ">" and “>>” indicate a level, and a cell with a level of ">” contains a cell with a level of ">>” can be expressed as follows:
  • the first cell carries a PRACH channel indication and a list of available signatures
  • the second cell carries the PRACH channel information.
  • the system message includes three first cells and three second cells, each of which is at the same level (indicated by ">,,).
  • the type of random access preamble control parameter corresponding to the first first cell is Tpye l
  • Tpye l corresponds to the first type of UE.
  • the type of random access preamble control parameter Tpye 1 includes the random access preamble control parameter extension table Etable 1 (indicated by """.
  • the random access preamble control parameter extension table Etable 1 includes two random access preamble control parameter extensions, that is, the first type UE can select one PRACH channel among the two PRACH channels, and select the PRACH channel. The process of initiating random access.
  • the first random access preamble control parameter extension includes a PRACH channel indication as a bitmap 001 and an available signature list Sttable 1 corresponding to the first PRACH channel, and a first PRACH channel and three seconds indicated by the bitmap 001.
  • the first second cell in the cell corresponds to the first second cell in the cell, as shown in Table 5, the first second cell carries the PRACH channel information of the first PRACH channel as the PRACH channel preamble scrambling code Sp1 and the AICH channel code Sal.
  • the second random access preamble control parameter extension includes a PRACH channel indication as a bitmap 010 and an available signature list Stable 2 corresponding to the second PRACH channel, a second PRACH channel and three second cells indicated by the bitmap 010.
  • the second second cell carries the PRACH channel information of the second PRACH channel as the PRACH channel preamble scrambling code Sp2 and the AICH channel code Sa2.
  • the type of the random access preamble control parameter corresponding to the second first cell is Tpye 2
  • Tpye 2 corresponds to the second type of UE.
  • the type of random access preamble control parameter Tpye 2 includes a random access preamble control parameter extension table Etable 2 (indicated by """.
  • the random access preamble control parameter extension table Etable 2 includes one random access preamble control parameter extension.
  • the random access preamble control parameter extension includes a PRACH channel indication as a bitmap 010 and an available signature list Sttable 3 corresponding to the second PRACH channel, and a second PRACH channel and three second cells indicated by the bitmap 010.
  • the second second cell carries the PRACH channel information of the second PRACH channel as the PRACH channel preamble scrambling code Sp2 and the AICH channel code Sa2.
  • the type of the random access preamble control parameter corresponding to the third first cell is Tpye 3 , and Tpye 3 corresponds to the third type of UE.
  • the type of random access preamble control parameter Tpye 3 includes the random access preamble control parameter extension table Etable 3 (indicated by """. As shown in Table 4, the random access preamble control parameter extension table Etable 3 includes two random access preamble control parameter extensions.
  • the first random access preamble control parameter extension includes a PRACH channel indication as a bitmap 100 and an available signature list Stable 4 corresponding to the third PRACH channel, and a third PRACH channel and three seconds indicated by the bitmap 100.
  • the third second cell carries the PRACH channel information of the third PRACH channel as the PRACH channel preamble scrambling code Sp3 and the AICH channel code Sa3.
  • the second random access preamble control parameter extension includes a PRACH channel indication as a bitmap 010 and an available signature list Stable 5 corresponding to the second PRACH channel, a second PRACH channel and three second cells indicated by the bitmap 010.
  • the second second cell carries the PRACH channel information of the second PRACH channel as the PRACH channel preamble scrambling code Sp2 and the AICH channel code Sa2. It is to be understood that the invention is not intended to limit the scope of the invention. It should also be understood that the above examples are merely exemplary, such as the number of first cells, the number of second cells, the number of PRACH channels, channel information, channel indication, and the like. Rather than limiting the invention.
  • the information carried in the physical shared channel reconfiguration request message sent by the RNC to the NodeB in step 401 is consistent with the information carried in the system message.
  • the transmission format of the physical shared channel reconfiguration request message may be the same as or different from the transmission of the system message.
  • the UE acquires channel information and selects a signature.
  • the UE may determine a corresponding first cell in the at least one first cell according to the capability of the UE and the correspondence between the TTI selected by the UE and the information of the random access preamble control parameter type.
  • Tpye 1 corresponds to a UE (Type 1 UE) that supports 2 ms/10 ms TTI and selects 10 ms TTI.
  • the UE's own capability support supports 2ms/10ms TTI coexistence and selects 10ms TTI. Therefore, the UE determines the first first cell (the first first cell corresponds to Tpye 1), and the two in the random access preamble control parameter extension table Etable 1 carried by the first first cell.
  • the UE acquires the PRACH channel information of the first PRACH channel in the first second cell according to the bitmap (001).
  • the PRACH channel preamble scrambling code Spl and the AICH channel code Sal.
  • the UE selects one signature in the available signature list Stable 1 corresponding to the first PRACH channel.
  • the UE sends a preamble sequence to the NodeB on the corresponding PRACH channel.
  • the UE transmits a preamble sequence to the NodeB with the signature selected in Stable 1 on the first PRACH channel according to the PRACH channel information of the first PRACH channel.
  • the NodeB determines the capability of the UE and the selected TTI.
  • the NodeB After receiving the preamble sequence sent by the UE on the corresponding PRACH channel, the NodeB detects the signature selected by the UE, and the information carried by the first cell and the information carried by the second cell in the physical shared channel reconfiguration request message. It can be determined that the capability of the UE and the selected ⁇ correspond to Type 1, and it is determined that the UE selects the 10 ms TTI and supports the downlink triggered HS-DPCCH or supports the 2 ms/10 ms TTI coexistence.
  • the channel indication is used to indicate the PRACH channel corresponding to the first cell, so as to prevent the system message from repeatedly carrying the same PRACH channel information.
  • the space of the system message is saved, the resource utilization is improved, and accordingly, the time for the UE to receive the system message is reduced, thereby reducing the delay for the UE to read the system message and the UE accessing the network.
  • FIG. 5 is a structural block diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment 500 includes a receiving unit 501, a determining unit 502, and an obtaining unit 503.
  • the receiving unit 501 is configured to receive a system message sent by the RNC, where the system message includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, and the PRACH channel indication is used to indicate that the first cell corresponds to The PRACH channel, different second cells carry different PRACH channel information.
  • the determining unit 502 is configured to determine, according to the capability of the UE, a corresponding first cell of the at least one first cell received by the receiving unit 501.
  • the obtaining unit 503 is configured to carry according to the corresponding first cell determined by the determining unit 502
  • the PRACH channel indicates that the corresponding second cell in the at least one second cell acquires PRACH channel information.
  • the system message received by the UE from the RNC includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, and different second cells carry different PRACH channel information.
  • the UE may determine, according to the capability of the UE, the corresponding first cell of the at least one first cell; and according to the PRACH channel indication carried by the corresponding first cell, obtain the first corresponding cell in the at least one second cell.
  • the PRACH channel information corresponding to the cell In this way, the same PRACH channel information is not repeatedly carried in different cells, thereby saving system message space, improving resource utilization, and reducing the delay of the UE reading system messages.
  • the user equipment 500 can implement various steps involved in the user equipment in the methods of FIG. 1 to FIG. 4, and is not described in detail in order to avoid repetition.
  • the first cell may further carry a list of available signatures corresponding to the PRACH channel
  • the PRACH channel information may include a PRACH channel preamble scrambling code and an AICH channel code.
  • the determining unit 502 is specifically configured to determine a corresponding first cell of the at least one first cell according to the capability of the UE and the length of the UE selected by the UE.
  • the first cell corresponds to a type of random access preamble control parameter
  • the type of the random access preamble control parameter includes a random access preamble control parameter extension table
  • the random access preamble control parameter is expanded.
  • the table includes at least one random access preamble control parameter extension, and each random access preamble control parameter extension includes a list of available signatures corresponding to one PRACH channel and a PRACH channel indication indicating one PRACH channel.
  • the different first cells correspond to different types of random access preamble control parameters.
  • the PRACH channel indication may be a Boolean type.
  • the PRACH channel indication can be a bitmap. It should be noted that the PRACH channel indication in a first cell may indicate PRACH channel information of one second cell, and may also indicate PRACH channel information of multiple second cells, that is, the UE may be in multiple One PRACH channel is selected among the strip PRACH channels.
  • the capability of the UE may include at least one of the following: support for activating and deactivating a hybrid automatic repeat request, supporting ⁇ alignment or supporting 2ms/10ms TTI coexistence, and the like.
  • the capabilities of the UE include support for coexistence and selection of 10ms, or support The TTI coexists and selects a 2ms TTI, or supports activation and deactivation of hybrid automatic repeat requests and ⁇ alignment and supports TTI coexistence and selects 2ms ⁇ .
  • the user equipment 500 further includes a selecting unit 504, configured to select one of the available signature lists corresponding to the PRACH channel.
  • the user equipment 500 further includes a transmitting unit 505 for transmitting a preamble sequence to the base station on the corresponding PRACH channel based on the PRACH channel information and the selected signature.
  • the channel indication occupying space is smaller than the occupied space of the channel information, and the channel indication is used to indicate the PRACH channel corresponding to the first cell, so as to prevent the system message from repeatedly carrying the same PRACH channel information.
  • the space of the system message is saved, the resource utilization rate is improved, and accordingly, the time for the UE to receive the system message is reduced, thereby reducing the delay for the UE to read the system message and the UE access network.
  • the radio resource controller 600 includes a generating unit 601 and a transmitting unit 602.
  • the generating unit 601 is configured to generate a system message, where the system message includes at least one first cell and at least one second cell, where the first cell carries a physical random access channel PRACH channel indication, and the PRACH channel indication is used to indicate the first message
  • the PRACH channel corresponding to the element, the different second cells carry different PRACH channel information.
  • the sending unit 602 is configured to send, to the UE, the system message generated by the generating unit 601, so that the UE determines, according to the capability of the UE, the corresponding first cell in the at least one first cell, and is carried according to the corresponding first cell determined by the UE.
  • the PRACH channel indicates that the corresponding second cell in the at least one second cell acquires PRACH channel information.
  • the system message received by the UE from the RNC includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, and different second cells carry different PRACH channel information.
  • the UE may determine, according to the capability of the UE, the corresponding first cell of the at least one first cell; and according to the PRACH channel indication carried by the corresponding first cell, obtain the first corresponding cell in the at least one second cell.
  • the PRACH channel information corresponding to the cell In this way, the same PRACH channel information is not repeatedly carried in different cells, thereby saving system message space, improving resource utilization, and reducing the delay of the UE reading system messages.
  • the radio resource controller 600 can implement various steps involved in the method of the radio resource controller in the methods of FIG. 1 to FIG. 4, and is not described in detail to avoid repetition.
  • the first cell may further carry an available signature list corresponding to the PRACH channel, where the PRACH channel information includes a PRACH channel preamble scrambling code and a captured indicator channel AICH channel code, so that the UE corresponds to the PRACH channel.
  • a signature is selected from the list of available signatures, and the preamble sequence is transmitted to the base station on the corresponding PRACH channel according to the PRACH channel information and the selected signature.
  • the capability of the UE may include at least one of the following: support for activating and deactivating a hybrid automatic repeat request, supporting ⁇ alignment or supporting 2ms/10ms TTI coexistence, and the like.
  • the capabilities of the UE include support for coexistence and selection of 10ms, or support for coexistence and selection of 2ms TTI, or support for activating and deactivating hybrid automatic repeat request and TTI alignment and supporting TTI coexistence and selecting 2ms TTI.
  • the first cell may correspond to a type of random access preamble control parameter
  • the type of the random access preamble control parameter includes a random access preamble control parameter extension table
  • the extension table includes at least one random access preamble control parameter extension
  • each random access preamble control parameter extension includes a list of available signatures corresponding to one PRACH channel and a PRACH channel indication indicating one PRACH channel.
  • the different first cells correspond to different types of random access preamble control parameters.
  • the implementation of the first cell corresponding to the random access preamble control parameter extension table is as described above, and details are not described herein again.
  • the PRACH channel indication may be a bitmap or a Boolean type.
  • the implementation of the channel indication as a bitmap or a Boolean type is as described above and will not be described here.
  • the generating unit 601 is further configured to generate a physical shared channel reconfiguration request message, where the physical shared channel reconfiguration request message includes at least one first cell and at least one second cell.
  • the sending unit 602 is further configured to send a physical shared channel reconfiguration request message to the base station, so that the base station determines, according to the information carried by the at least one first cell and the information carried by the at least one second cell, that the preamble sequence is sent on the corresponding PRACH channel.
  • the format of the physical shared channel reconfiguration request message can also adopt the prior art.
  • the manner in which the base station determines the capability of the UE and/or the length of the UI selected by the UE may refer to the prior art. It should be understood that the format of the physical shared channel reconfiguration request message is not limited in the embodiment of the present invention.
  • the channel indication occupied space is smaller than the occupied space of the channel information, and the channel indication is used to indicate the PRACH channel corresponding to the first cell, so as to prevent the system message from repeatedly carrying the same PRACH channel information.
  • space for system messages is saved, resource utilization is improved, and accordingly, The time for the UE to receive the system message is reduced, thereby reducing the delay for the UE to read the system message and the UE accessing the network.
  • the manner in which the PRACH channel is indicated in the embodiment of the present invention is not limited. That is, regardless of the manner in which the PRACH channel corresponding to the first cell is indicated, it falls within the scope of the present invention.
  • FIG. 7 is a structural block diagram of a base station according to an embodiment of the present invention.
  • the base station 700 includes a receiving unit 701 and a determining unit 702.
  • the receiving unit 701 is configured to receive a physical shared channel reconfiguration request message sent by the RNC, where the physical shared channel reconfiguration request message includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, PRACH
  • the channel indication is used to indicate a PRACH channel corresponding to the first cell, and the different second cells carry different PRACH channel information.
  • the determining unit 702 is configured to acquire PRACH channel information in the corresponding second cell according to the channel indication carried by the first cell received by the receiving unit 701.
  • the physical shared channel reconfiguration request message received by the base station from the RNC includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication and the second is different.
  • the cell carries different PRACH channel information.
  • the base station acquires, according to the PRACH channel carried by the first cell, the corresponding second cell in the at least one second cell to obtain the PRACH channel information corresponding to the first cell. In this way, the same PRACH channel information is not repeatedly carried in different cells, thereby saving space for physical shared channel reconfiguration request messages and improving resource utilization.
  • the base station 700 can implement the steps involved in the base station in the methods of FIG. 1 to FIG. 4, and is not described in detail to avoid repetition.
  • the first cell may further carry a list of available signatures corresponding to the PRACH channel, where the PRACH channel information includes a PRACH channel preamble scrambling code and a captured indicator channel AICH channel code.
  • the receiving unit 701 is further configured to receive, on the corresponding PRACH channel, a preamble sequence that is sent by the user equipment UE by using the signature selected by the UE.
  • the determining unit 702 is further configured to determine the capability of the UE and/or the TTI length selected by the UE according to the PRACH channel information and the signature in the available signature list, and the signature selected by the UE. Example. FIG.
  • FIG. 8 illustrates an embodiment of a device in which device 800 includes a processor 801, a memory 802, a transmitter 803, and a receiver 804.
  • the processor 801 controls the operation of the device 800, and the processor 801 may also be referred to as a CPU (Central Processing Unit). Yuan).
  • Memory 802 can include read only memory and random access memory and provides instructions and data to processor 801. A portion of memory 802 may also include non-volatile line random access memory (NVRAM).
  • the processor 801, the memory 802, the transmitter 803 and the receiver 804 are coupled together by a bus system 88, wherein the bus system 810 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • bus system 810 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • various buses are labeled as bus system 810 in the figure.
  • the above-described device 800 can be applied to the method disclosed in the above embodiments of the present invention.
  • the processor 801 may be an integrated circuit chip with signal processing capability.
  • each step of the above method may be completed by an integrated logic circuit of hardware in the processor 801 or an instruction in the form of software.
  • FIG. 9 is a structural block diagram of a user equipment according to an embodiment of the present invention.
  • User equipment 900 includes a receiver 901 and a processor 902.
  • the receiver 901 is configured to receive a system message sent by the RNC, where the system message includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, and the PRACH channel indication is used to indicate that the first cell corresponds to The PRACH channel, different second cells carry different PRACH channel information.
  • the processor 902 is configured to determine, according to the capability of the UE, a corresponding first cell of the at least one first cell received by the receiver 901.
  • the processor 902 is further configured to acquire PRACH channel information in the corresponding second cell in the at least one second cell according to the determined PRACH channel indication carried by the corresponding first cell.
  • the system message received by the UE from the RNC includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, and different second cells carry different PRACH channel information.
  • the UE may determine, according to the capability of the UE, the corresponding first cell of the at least one first cell; and according to the PRACH channel indication carried by the corresponding first cell, obtain the first corresponding cell in the at least one second cell.
  • the PRACH channel information corresponding to the cell In this way, the same PRACH channel information is not repeatedly carried in different cells, thereby saving system message space, improving resource utilization, and reducing the delay of the UE reading system messages.
  • the user equipment 900 can implement various steps involved in the user equipment in the methods of FIG. 1 to FIG. 4, and is not described in detail in order to avoid repetition.
  • the first cell may further carry a corresponding to the PRACH channel.
  • the available signature list, the PRACH channel information may include a PRACH channel preamble scrambling code and an AICH channel code.
  • the processor 902 is specifically configured to determine a corresponding first cell in the at least one first cell according to the capability of the UE and the length of the UE selected by the UE.
  • the first cell corresponds to a type of random access preamble control parameter
  • the type of the random access preamble control parameter includes a random access preamble control parameter extension table
  • the random access preamble control parameter is expanded.
  • the table includes at least one random access preamble control parameter extension, and each random access preamble control parameter extension includes a list of available signatures corresponding to one PRACH channel and a PRACH channel indication indicating one PRACH channel.
  • the different first cells correspond to different types of random access preamble control parameters.
  • the PRACH channel indication may be a Boolean type.
  • the PRACH channel indication can be a bitmap. It should be noted that the PRACH channel indication in a first cell may indicate PRACH channel information of one second cell, and may also indicate PRACH channel information of multiple second cells, that is, the UE may be in multiple One PRACH channel is selected among the strip PRACH channels.
  • the capability of the UE may include at least one of the following: support for activating and deactivating a hybrid automatic repeat request, supporting ⁇ alignment or supporting 2ms/10ms TTI coexistence, and the like.
  • the capabilities of the UE include support for coexistence and selection of 10ms ⁇ , or support for coexistence and selection of 2ms TTI, or support for activating and deactivating hybrid automatic repeat request and ⁇ alignment and supporting ⁇ coexistence and selecting 2ms TTI.
  • the processor 902 is further configured to select a signature in a list of available signatures corresponding to the PRACH channel.
  • User equipment 900 also includes a transmitter 903 for transmitting a preamble sequence to the base station on the corresponding PRACH channel based on the PRACH channel information and the selected signature.
  • the channel indication occupying space is smaller than the occupied space of the channel information, and the channel indication is used to indicate the PRACH channel corresponding to the first cell, so as to prevent the system message from repeatedly carrying the same PRACH channel information.
  • the space of the system message is saved, the resource utilization rate is improved, and accordingly, the time for the UE to receive the system message is reduced, thereby reducing the delay for the UE to read the system message and the UE access network.
  • FIG. 10 is a structural block diagram of a radio resource controller according to an embodiment of the present invention.
  • the radio resource controller 1000 includes a processor 1001 and a transmitter 1002.
  • the processor 1001 is configured to generate a system message, where the system message includes at least one first cell and at least one second cell, where the first cell carries a physical random access channel PRACH channel indication, and the PRACH channel indication is used to indicate the first message.
  • the PRACH channel corresponding to the element, the different second cells carry different PRACH channel information.
  • the transmitter 1002 is configured to send, to the UE, a system message generated by the processor 1001, so that the UE determines, according to the capability of the UE, a corresponding first cell in the at least one first cell, and is carried according to the corresponding first cell determined by the UE.
  • the PRACH channel indicates that the corresponding second cell in the at least one second cell acquires PRACH channel information.
  • the system message received by the UE from the RNC includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, and different second cells carry different PRACH channel information.
  • the UE may determine, according to the capability of the UE, the corresponding first cell of the at least one first cell; and according to the PRACH channel indication carried by the corresponding first cell, obtain the first corresponding cell in the at least one second cell.
  • the PRACH channel information corresponding to the cell In this way, the same PRACH channel information is not repeatedly carried in different cells, thereby saving system message space, improving resource utilization, and reducing the delay of the UE reading system messages.
  • the radio resource controller 1000 can implement various steps involved in the method of the radio resource controller in the methods of FIG. 1 to FIG. 4, and is not described in detail to avoid repetition.
  • the first cell may further carry an available signature list corresponding to the PRACH channel, where the PRACH channel information includes a PRACH channel preamble scrambling code and a captured indicator channel AICH channel code, so that the UE corresponds to the PRACH channel.
  • a signature is selected from the list of available signatures, and the preamble sequence is transmitted to the base station on the corresponding PRACH channel according to the PRACH channel information and the selected signature.
  • the capability of the UE may include at least one of the following: support for activating and deactivating a hybrid automatic repeat request, supporting ⁇ alignment or supporting 2ms/10ms ⁇ coexistence, and the like.
  • the capabilities of the UE include support for coexistence and selection of 10ms ⁇ , or support for coexistence and selection of 2ms TTI, or support for activating and deactivating hybrid automatic repeat request and ⁇ alignment and supporting TTI coexistence and selecting 2ms ⁇ .
  • the first cell may correspond to a type of random access preamble control parameter
  • the type of the random access preamble control parameter includes a random access preamble control parameter extension table
  • the random access preamble control parameter The extension table includes at least one random access preamble control parameter extension
  • Each random access preamble control parameter extension includes a list of available signatures corresponding to one PRACH channel and a PRACH channel indication indicating one PRACH channel.
  • the different first cells correspond to different types of random access preamble control parameters.
  • the implementation of the first cell corresponding to the random access preamble control parameter extension table is as described above, and details are not described herein again.
  • the PRACH channel indication may be a bitmap or a Boolean type.
  • the implementation of the channel indication as a bitmap or a Boolean type is as described above and will not be described here.
  • the processor 1001 is further configured to generate a physical shared channel reconfiguration request message, where the physical shared channel reconfiguration request message includes at least one first cell and at least one second cell.
  • the transmitter 1002 is further configured to send a physical shared channel reconfiguration request message to the base station, so that the base station determines, according to the information carried by the at least one first cell and the information carried by the at least one second cell, that the preamble sequence is sent on the corresponding PRACH channel.
  • the format of the physical shared channel reconfiguration request message can also adopt the prior art.
  • the manner in which the base station determines the capability of the UE and/or the length of the UI selected by the UE may refer to the prior art. It should be understood that the format of the physical shared channel reconfiguration request message is not limited in the embodiment of the present invention.
  • the channel indication occupied space is smaller than the occupied space of the channel information, and the channel indication is used to indicate the PRACH channel corresponding to the first cell, so as to prevent the system message from repeatedly carrying the same PRACH channel information.
  • the space of the system message is saved, the resource utilization is improved, and accordingly, the time for the UE to receive the system message is reduced, thereby reducing the delay for the UE to read the system message and the UE accessing the network.
  • the manner in which the PRACH channel is indicated in the embodiment of the present invention is not limited. That is, regardless of the manner in which the PRACH channel corresponding to the first cell is indicated, it falls within the scope of the present invention.
  • FIG 11 is a block diagram showing the structure of a base station according to an embodiment of the present invention.
  • the base station 1100 includes a receiver 1101 and a processor 1102.
  • the receiver 1101 is configured to receive a physical shared channel reconfiguration request message sent by the RNC, where the physical shared channel reconfiguration request message includes at least one first cell and at least one second cell, where the first cell carries a PRACH channel indication, PRACH
  • the channel indication is used to indicate a PRACH channel corresponding to the first cell, and the different second cells carry different PRACH channel information.
  • the processor 1102 is configured to acquire PRACH channel information in the corresponding second cell according to the channel indication carried by the first cell received by the receiver 1101.
  • the allocation request message includes at least one first cell and at least one second cell, the first cell carrying
  • the PRACH channel indicates, and the different second cells carry different PRACH channel information.
  • the base station acquires, according to the PRACH channel carried by the first cell, the corresponding second cell in the at least one second cell to obtain the PRACH channel information corresponding to the first cell. In this way, the same PRACH channel information is not repeatedly carried in different cells, thereby saving space for physical shared channel reconfiguration request messages and improving resource utilization.
  • the base station 1100 can implement the steps involved in the base station in the methods of FIGS. 1 to 4, and will not be described in detail in order to avoid redundancy.
  • the first cell may further carry a list of available signatures corresponding to the PRACH channel, where the PRACH channel information includes a PRACH channel preamble scrambling code and a captured indication channel AICH channel code.
  • the receiver 1101 is further configured to receive, on the corresponding PRACH channel, a preamble sequence sent by the user equipment UE by using the signature selected by the UE.
  • the processor 1102 is further configured to determine a capability of the UE and/or a TTI length selected by the UE according to the PRACH channel information and the signature in the available signature list, and the signature selected by the UE.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, or an electrical, mechanical or other form of connection.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present invention.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention contributes in essence or to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de transmission, un équipement utilisateur (UE), un dispositif de commande de réseau de radiocommunication (RNC) et une station de base, le procédé comportant : la réception d'un message système transmis par un RNC, le message système contenant au moins une première cellule et au moins une deuxième cellule, la première cellule acheminant un indicateur de canal PRACH qui indique un canal PRACH correspondant à la première cellule, et la deuxième cellule acheminant différentes informations de canal PRACH; la détermination d'une première cellule correspondante dans la ou les premières cellules selon la capacité d'un UE; l'acquisition des informations de canal PRACH de la deuxième cellule correspondante dans la ou les deuxièmes cellules selon l'indicateur de canal PRACH acheminé dans la première cellule correspondante, déterminée par l'UE, de sorte que les mêmes informations de canal PRACH ne sont pas acheminées, dupliquées dans différentes cellules, économisant ainsi l'espace de message système, améliorant l'utilisation de ressources et réduisant le délai de lecture d'un message système par l'UE.
PCT/CN2012/083647 2012-10-29 2012-10-29 Procédé de transmission, équipement utilisateur, dispositif de commande de réseau de radiocommunication et station de base Ceased WO2014067039A1 (fr)

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CN201280001410.7A CN104081859B (zh) 2012-10-29 2012-10-29 传输方法、无线网络控制器和基站

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CN101646250A (zh) * 2008-08-07 2010-02-10 大唐移动通信设备有限公司 一种指示和发送前导序列的方法、系统及装置
CN101873707A (zh) * 2009-04-24 2010-10-27 大唐移动通信设备有限公司 下行数据调度方法及系统
CN102612154A (zh) * 2008-12-31 2012-07-25 华为技术有限公司 下行共享控制信道节省技术激活的控制方法、设备和系统

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DE10315058A1 (de) * 2003-04-02 2004-10-14 Siemens Ag Datenübertragungsverfahren
KR100981811B1 (ko) * 2005-10-31 2010-09-13 엘지전자 주식회사 이동통신 시스템에서의 무선 접속정보 전달방법
CN101730258B (zh) * 2008-10-27 2012-10-03 展讯通信（上海）有限公司 增强随机接入信道的接入方法及用户设备

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CN101646250A (zh) * 2008-08-07 2010-02-10 大唐移动通信设备有限公司 一种指示和发送前导序列的方法、系统及装置
CN102612154A (zh) * 2008-12-31 2012-07-25 华为技术有限公司 下行共享控制信道节省技术激活的控制方法、设备和系统
CN101873707A (zh) * 2009-04-24 2010-10-27 大唐移动通信设备有限公司 下行数据调度方法及系统

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