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WO2017181678A1 - Procédé d'attribution de spectre sous licence à une petite cellule de terminal, et appareil et système associés - Google Patents

Procédé d'attribution de spectre sous licence à une petite cellule de terminal, et appareil et système associés Download PDF

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Publication number
WO2017181678A1
WO2017181678A1 PCT/CN2016/107807 CN2016107807W WO2017181678A1 WO 2017181678 A1 WO2017181678 A1 WO 2017181678A1 CN 2016107807 W CN2016107807 W CN 2016107807W WO 2017181678 A1 WO2017181678 A1 WO 2017181678A1
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WIPO (PCT)
Prior art keywords
cell
base station
type base
terminal type
physical layer
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English (en)
Chinese (zh)
Inventor
雷艺学
李明菊
张云飞
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • 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 in particular, to a method, a related device, and a system for configuring a terminalized small cell for granting a spectrum.
  • the terminal type base station has the dual functions of the user equipment and the small base station, and can improve the coverage of the network.
  • the terminal type base station may be connected to the UE (User Equipment, User Equipment, UE for short) in the manner of D2D (Device to Device, Terminal to Terminal, D2D) or Small Cell (small cell), if the terminal type base station is a Small Cell.
  • the UE accessing the terminal needs to perform wireless parameter configuration on the Terminal Small Cell accessed by the UE.
  • the carrier network or the operation and maintenance system can perform wireless parameter configuration on the network element device through the backhaul link, but cannot perform wireless parameter configuration for the terminal type base station whose device type is the terminal device, so A method for configuring a wireless parameter for terminating a small cell is required to implement normal access of the UE at the end.
  • the technical problem to be solved by the embodiments of the present invention is to provide a method, a related device, and a system for configuring a terminalized small cell for granting a spectrum.
  • the wireless parameter configuration can be performed on the terminalized small cell to implement normal access of the terminal UE.
  • an embodiment of the present invention provides a method for configuring a terminalized small cell for granting a spectrum, including:
  • the terminal type base station monitors the wireless parameter configuration information of the surrounding licensed spectrum small cell and the macro cell in which it is located; wherein the wireless parameter configuration information includes a physical layer cell identifier and a cell frequency point;
  • the terminal type base station acquires location information, and sends a cell configuration request message to the network side device;
  • the cell configuration request message carries the wireless parameter configuration information and location information of the terminal type base station;
  • the terminal type base station receives a cell configuration response message returned by the network side device according to the cell configuration request message; the cell configuration response message carries cell configuration information, where the cell configuration information includes an allocation for the terminal type base station Physical layer cell identifier;
  • the terminal type base station configures the terminalized small cell according to the cell configuration information carried in the cell configuration response message.
  • the embodiment of the present invention further provides a method for configuring a terminalized small cell for granting a spectrum, including:
  • the network side device receives the cell configuration request message sent by the terminal type base station, where the cell configuration request message carries the wireless parameter configuration of the surrounding licensed spectrum small cell and the macro cell where the terminal type base station is located monitored by the terminal type base station Information and location information of the terminal type base station, where the wireless parameter configuration information includes a physical layer cell identifier and a cell frequency point;
  • the type of base station allocates a physical layer cell identifier
  • the network side device returns a cell configuration response message to the terminal type base station; wherein the cell configuration response message carries cell configuration information, where the cell configuration information includes a physical layer cell identifier allocated to the terminal type base station.
  • the device When the terminal type base station needs to enable the terminalized small cell, the device sends a cell configuration request message to the network side device, and the network side device allocates the terminalization according to the wireless parameter configuration information of the surrounding authorized spectrum small cell and the macro cell that is reported by the terminal type base station.
  • the cell configuration information of the small cell the terminal type base station configures the terminalized small cell according to the cell configuration information, so that the terminal UE normally accesses the terminalized small cell.
  • FIG. 1 is a network structure diagram of a communication system according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of an interaction process of a communication system according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a method for configuring a terminalized small cell for granting a spectrum according to an embodiment of the present disclosure
  • FIG. 4 is another schematic flowchart of a method for configuring a terminalized small cell for granting a spectrum according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a terminal type base station according to an embodiment of the present disclosure.
  • FIG. 5b is another schematic structural diagram of a terminal type base station according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a network side device according to an embodiment of the present invention.
  • FIG. 6b is another schematic structural diagram of a network side device according to an embodiment of the present invention.
  • the communication system includes a UCE (Unified Control Entity, UCE) 11, a macro base station 12, and a terminal base station 14.
  • UCE 11 may be The device of the SON Server and the SON Controller, the UCE11 and the macro base station 12 are collectively referred to as the network side device.
  • the UCE11 and the macro base station 12 are physically the same device, and the UCE11 can be deployed in a distributed manner.
  • each distributed node communicates through a high-speed network (such as fiber, microwave link, etc.); or UCE11 can also be deployed in a centralized manner, through centralized
  • the UCE is configured to communicate with each macro base station, or the UCE11 adopts other deployment modes.
  • the present invention is not limited; the macro base station 12 corresponds to the macro cell 121, and the working frequency band of the macro cell 121 may be the licensed frequency band in the macro cell.
  • Multiple small base stations can be deployed in 121, and the types of small base stations can be ordinary small base stations (such as home base stations) or terminal base stations. Different types of small base stations can be deployed in the macro cell 121 for hybrid networking. For example, as shown in FIG.
  • the small cell 12, the terminal type base station 14 and the terminal type base station 15 are deployed in the macro cell 121, and the small base station deployed in the macro cell 121 is deployed.
  • the number can be used according to The number of users determines that the more users there are, the more the number of small base stations deployed.
  • the terminal type base station is a new type of device, and the terminal type base station has the function of the UE user equipment, and performs the voice communication service and the Internet service, and has the function of the small base station, and performs the operator network access to the common user equipment. Functions such as authentication and mobility management; the terminal type base station can only open one of the small base station function and the user equipment function, and cannot simultaneously open the above two functions.
  • the network coverage area corresponding to the ordinary small base station is called a normal small cell
  • the network coverage area corresponding to the terminal type base station is called a terminal small cell
  • the ordinary small base station indicates a small base station having only a single small base station function.
  • the ordinary small base station 13 corresponds to the ordinary small cell 131
  • the mobile terminal 132 resides in the ordinary small cell 131
  • the terminal type base station 14 corresponds to the terminalized small cell 141
  • the terminalized small cell 141 resides in the mobile terminal.
  • the terminal type base station 15 corresponds to the terminalized small cell 151
  • the terminalized small cell 151 occupies the mobile terminal 152.
  • the working frequency band (or frequency point) of the ordinary small cell or the terminal small cell may be an authorized spectrum or an unlicensed spectrum.
  • the configuration process of the terminalized small cell for the licensed spectrum is as follows: when the terminal type base station enables the small base station function, the network side device (UCE11 and the macro base station 12) is located according to the surrounding authorized spectrum small cell and the terminal type base station reported by the terminal type base station.
  • the wireless configuration information of the macro cell generates a terminalized small cell of the terminal type base station to perform wireless parameter configuration information and transmits the wireless parameter configuration information to the terminal type base station, and the terminal type base station receives the wireless parameter configuration information to complete the configuration of the terminalized small cell.
  • the configuration process of the terminalized small cell may be a physical cell identifier or a regional tracking code or a configuration of other physical layer cell identifiers.
  • FIG. 2 is a schematic diagram of interaction of a method for configuring a terminalized small cell for granting a spectrum according to an embodiment of the present invention.
  • a terminal type base station works in an authorized spectrum, and a terminal base station starts a small base station function.
  • the corresponding terminal small cell is a licensed spectrum small cell, and the macro cell where the terminal type base station is located also works in the licensed spectrum, and the method includes:
  • S201 Monitor wireless parameter configuration information of the surrounding licensed small cell and the macro cell.
  • the terminal type base station resides in the macro cell and the authorized spectrum of the macro cell operation; when the terminal type base station needs to enable the small base station function, the terminal parameter base station monitors the wireless parameter configuration information of the surrounding licensed spectrum small cell, and the licensed spectrum small cell is the macro base station.
  • a small cell in the coverage of the macro cell, the small cell in the licensed spectrum indicates that the working frequency band or the frequency point is a small cell of the licensed spectrum, and the authorized spectrum small cell may be a terminal small cell of another terminal type base station, or may be a common small base station. Small cell.
  • the terminal type base station can only listen to the wireless parameter configuration information of the small cell that overlaps with its own terminal small cell.
  • FIG. 1 assume that the macro of the macro base station 12 Three small cells are deployed in the cell 121, and the terminal small cell 141 of the terminal type base station 14 overlaps with the normal small cell 131 and the terminal small cell 151.
  • the small cell that the terminal type base station 14 can monitor is the ordinary small cell 131 and the terminal.
  • the small cell 151, the small cell that the ordinary small base station 13 can listen to is the terminal small cell 141, and the small cell that the terminal type base station 15 can monitor is the normal small cell 13.
  • the wireless parameter configuration information of the small cell monitored by the terminal type base station After the wireless parameter configuration information of the small cell monitored by the terminal type base station, the wireless parameter configuration information of the small cell in which the working frequency band is the licensed spectrum is filtered according to the frequency range of the licensed spectrum, and the wireless parameter configuration of the macro cell 121 where the terminal base station is located is monitored.
  • the information, the wireless parameter configuration information may include a physical cell identifier, a maximum transmit power, a frequency point, and a tracking area code.
  • the terminal type base station acquires location information.
  • the terminal type base station acquires its own location information, and the location information may be absolute location information, such as latitude and longitude of the current location, or may be relative location information, such as acquired received signal strengths of at least three small base stations, according to at least three The received signal strength of the base station can be used to obtain the relative positional relationship between the terminal type base station and the at least three small base stations.
  • the location information may be absolute location information, such as latitude and longitude of the current location, or may be relative location information, such as acquired received signal strengths of at least three small base stations, according to at least three
  • the received signal strength of the base station can be used to obtain the relative positional relationship between the terminal type base station and the at least three small base stations.
  • the terminal type base station sends a cell configuration request message.
  • the terminal type base station sends a cell configuration request message to the network side device, where the cell configuration request message carries the wireless parameter configuration information of the surrounding authorized spectrum small cell and the macro base station where the terminal type base station is located, and the terminal type base station
  • the location information, the cell configuration request message is used to indicate that the network side device allocates cell configuration information for the terminalized small cell of the terminal type base station, and the cell configuration information may be one of a physical cell identifier, a maximum transmit power, a frequency point, and a tracking area code. Or a variety.
  • the terminal type base station sends the cell configuration request message to the network side device to transmit the data connection above the IP layer, so as to avoid occupying the RRC signaling or NAS signaling of the communication system, and improving the scalability of the control.
  • a secure control plane connection needs to be established and maintained between the terminal type base station and the network side device.
  • the network side device receives a cell configuration request message.
  • the network side device receives the cell configuration request message, and after parsing the cell configuration request message, obtains the wireless parameter configuration information of the surrounding authorized spectrum small cell and the macro cell where the terminal type base station is located, and the location information of the terminal type base station. .
  • the network side device determines, according to the location information of the terminal type base station, the neighboring small base station of the terminal type base station, and allocates the physical layer cell to the terminal type base station according to the preset allocation rule and the preset terminalized small cell dedicated physical layer cell identification interval. logo.
  • the network side device stores a distribution location map of each small base station deployed under the macro base station, where the location of the ordinary small base station is generally fixed, and the location of the terminal type base station may move with the user, when the location of the terminal type base station is sent.
  • the network side device reports its current location, and the network side device updates the distribution location map of each small base station.
  • the network side device may determine the positional relationship between the terminal type base station and other small base stations in the macro cell (the working frequency band is the licensed spectrum) according to the location information of the terminal type base station, and obtain the neighboring small base station of the terminal type base station, and the terminalized small cell dedicated physics.
  • the layer cell identifier interval indicates the range of the physical layer cell identifier used for the terminalized small cell allocated to the licensed spectrum, and the physical layer cell identifier in the terminalized small cell dedicated cell network interval can only be used for allocation to the terminalized small cell, and the macro
  • the cell-specific physical layer cell identifier indicates a range of physical layer cell identifiers allocated to the macro cell, and the intersection of the terminalized small cell dedicated physical layer cell identification interval and the macro cell dedicated physical layer cell identification interval is empty, that is, the physical of the two Layer cell IDs do not coincide.
  • the network side device allocates a physical layer cell identifier to the terminalized small cell of the terminal type base station based on the conflict-free allocation rule and the non-aliasing allocation principle, and the conflict-free allocation rule indicates that the adjacent two authorized spectrum small cells cannot use the same physical layer.
  • the cell identifier if the same mobile terminal may not be able to read the PSS and the SSS, and thus cannot synchronize with the cell; the non-obfuscated allocation rule indicates that two adjacent authorized spectrum small cells of the same authorized spectrum small cell cannot allocate the same physical layer cell identifier, for example,
  • the value range of the dedicated physical layer cell identification interval of the terminalized small cell is: X1 to X2, and the two adjacent authorized spectrum small cells of the terminalized small cell C are A and B, and the licensed spectrum small cells A and B cannot be allocated.
  • the same physical layer cell identifier, the terminalized small cell C and the licensed spectrum small cell A cannot be assigned the same physical layer cell identity, and the terminalized small cell C and the licensed spectrum small cell cannot be assigned the same physical layer cell identity, and the network side device Selecting unused physical layer cell identity allocation in the cell identification interval of the dedicated physical layer of the terminalized small cell Small cell of the terminal C.
  • the network side device may also allocate a physical layer cell identifier to the terminalized small cell of the terminal type base station based on the allocation rule of the space division multiplexing, specifically, the small cell allocation of the two co-frequency points whose distance is greater than the preset value.
  • the same physical layer cell identifier, two adjacent small cells at different frequency points are assigned the same physical layer cell identifier, and when the number of physical layer cell identifiers is tight, the utilization of the physical layer cell identifier is improved, wherein the air separation is performed.
  • the small cells described in the allocation rule are small cells of the authorized spectrum, and the small cells of the authorized spectrum may be ordinary small cells or terminal small cells.
  • the preset distance is 4 cell radii
  • the frequency of the small cell D and the small cell F are the same, and the small cell D and the small cell F all work on the licensed spectrum
  • the distance between the two is 10 cell radius, which is greater than the pre- If the distance is 8 cell radii
  • the small cell D and the small cell F can be assigned the same physical layer cell identifier; for example, the working spectrum is licensed.
  • the small cell F and the small cell G are adjacent, but the frequency points of the two are different, and the small cell F and the small cell G can be allocated the same physical layer cell identifier.
  • the preset value may be set according to requirements, and the present invention is not limited.
  • the physical layer cell identifier may be a physical cell identifier or other identifier for uniquely indicating the identity information of the cell, which is not limited by the present invention.
  • the network side device returns a cell configuration response message.
  • the network side device adds the physical layer cell identifier allocated to the terminalized small cell of the terminal type base station to the cell configuration information, and the cell configuration information may further include the network side device configured as the terminalized small cell of the terminal type base station. Parameters such as maximum transmit power, tracking area code, frequency point, etc.
  • the cell configuration response message carrying the cell configuration information is returned to the terminal type base station.
  • the network side device may also send a cell configuration response message to the terminal type base station through a data connection above the IP layer.
  • the terminal type base station receives a cell configuration response message.
  • the terminal type base station receives the cell configuration response message sent by the network side device, where the cell configuration message response message includes the allocated cell configuration information for the terminal type base station, and the cell configuration information includes the physical allocated for the terminalized small cell of the terminal type base station. Layer cell identity.
  • the terminal type base station configures the terminalized small cell according to the cell configuration information carried in the cell configuration response message. After the configuration is complete, the mobile terminal that resides in the terminalized small cell can access the carrier network through the terminal type base station.
  • the cell configuration information may be updated by referring to the steps of S201-S208.
  • the cell configuration request message is sent to the network side device, and the network side device according to the surrounding authorized spectrum small cell and the macro cell where the terminal type base station reports
  • the wireless parameter configuration information is used to allocate the cell configuration information of the terminalized small cell, and the terminal type base station configures the terminalized small cell according to the cell configuration information, so that the terminal UE normally accesses the terminalized small cell.
  • FIG. 3 is a schematic flowchart of a method for configuring a terminalized small cell for granting a spectrum according to an embodiment of the present invention.
  • the method includes:
  • the terminal type base station monitors radio parameter configuration information of the surrounding licensed spectrum small cell and the macro cell where the terminal is located.
  • the terminal type base station resides in the macro cell, and the macro cell works on the unlicensed spectrum.
  • the terminal type base station monitors the wireless parameter configuration information of the surrounding authorized spectrum small cell and the located macro cell.
  • the surrounding unlicensed spectrum message indicates a small cell that overlaps with the terminalized small cell of the terminal type base station and whose working frequency is the licensed spectrum, and the small cell may be a small small terminal of the other terminal type base station or an ordinary small base station.
  • the terminal type base station can only monitor the wireless parameter configuration information of the licensed spectrum small cell within a certain range due to the limitation of the transmission power of the ordinary small base station or the terminal type base station, and the wireless parameter configuration information includes the maximum transmission power, the frequency point, and the physical Cell identification, tracking area code, etc.
  • the terminal type base station acquires location information, and sends a cell configuration request message to the network side device.
  • the terminal acquires its own location information, where the location information may be absolute location information, for example, latitude and longitude of the current location or other forms of coordinates, and the location information may also be relative location information, such as a distance relative to at least three small base stations;
  • the terminal type base station sends a cell configuration request message to the network side device.
  • the terminal type base station sends a cell configuration request message to the network side device, and the cell configuration request message carries the wireless parameter configuration information of the surrounding authorized spectrum small cell and the macro cell where the terminal type base station is located, and the location information of the terminal type base station.
  • the terminal type base station sends a cell configuration request message to the network side device, and may transmit the data connection over the IP layer to reduce the occupation of the control plane signaling resources of the communication system.
  • the terminal type base station receives a cell configuration response message returned by the network side device.
  • the terminal type base station receives the cell configuration response message sent by the network side device, where the cell configuration response message includes cell configuration information allocated for the terminal type base station, and the cell configuration information includes a physical layer cell allocated for the terminalized small cell of the terminal type base station.
  • Identification such as physical cell identification or tracking area code.
  • the terminal type base station configures the terminalized small cell according to the cell configuration information carried in the cell configuration response message.
  • the terminal type base station configures the terminalized small cell according to the cell configuration information carried in the cell configuration response message. After the configuration is completed, the mobile terminal that resides in the terminalized small cell can access the carrier network through the terminal type base station.
  • the obtaining, by the terminal type base station, the location information includes:
  • the terminal type base station acquires latitude and longitude of the current location, and uses the latitude and longitude as the location information; or
  • the terminal type base station acquires received signal strengths of the at least three neighboring small base stations, and uses the received signal strengths of the at least three adjacent small base stations as the location information.
  • the terminal type base station acquires the latitude and longitude of the current location according to the GPS module, and uses the latitude and longitude of the current location acquired by the GPS module as the location information of the terminal type base station, and the location information is absolute location information; or the terminal type base station acquires at least three
  • the received signal strength of the adjacent small base station, the neighboring small base station can work on the licensed spectrum, and the received signal strength of the signal transmitted by the neighboring small base station measured by the terminal type base station is inversely proportional to the distance, so that the terminal type base station is based on at least three
  • the received signal strength of the adjacent small base station may determine relative position information with the at least three adjacent small base stations, and the determined relative position information is used as the location information of the terminal type base station.
  • the cell configuration request message further carries status indication information of the terminalized small cell.
  • the status indication information indicates whether the status of the small cell is in the on state or the off state. If the status indication information indicates that the on state indicates that the network side device needs to reconfigure the terminal small cell, if the status indication information is off, The terminalized small cell is configured for the first time.
  • the wireless parameter configuration information of the terminal-type base station listening to the surrounding licensed spectrum small cell and the macro cell where the terminal is located includes:
  • the terminal type base station monitors the wireless parameter configuration information of the macro cell in which the terminal is located, and monitors the wireless parameter configuration information of the normal small cell and the terminal small cell working in the licensed spectrum according to the frequency band range of the licensed spectrum.
  • the terminal type base station acquires the radio parameter configuration information of the macro cell according to the macro cell in which the system message is obtained, and the terminal type base station determines the frequency band range of the licensed spectrum, and acquires the wireless parameter configuration information of all the surrounding small cells, and configures according to the wireless parameter.
  • the cell frequency point in the information filters out the wireless parameter configuration information of the licensed spectrum small cell; or the terminal type base station only listens to the wireless parameter configuration information of the small cell in the frequency band of the licensed spectrum.
  • the small cells may be ordinary small cells or terminal small cells.
  • the cell configuration request message is sent to the network side device, and the network side device according to the surrounding authorized spectrum small cell and the macro cell where the terminal type base station reports
  • the wireless parameter configuration information is used to allocate the cell configuration information of the terminalized small cell, and the terminal type base station configures the terminalized small cell according to the cell configuration information, so that the terminal UE normally accesses the terminalized small cell.
  • FIG. 4 is a schematic diagram of a method for configuring a terminalized small cell for granting a spectrum according to an embodiment of the present invention.
  • the method includes:
  • the network side device receives a cell configuration request message sent by the terminal type base station.
  • the cell configuration request message carries the surrounding licensed spectrum small cell monitored by the terminal type base station, the wireless parameter configuration information of the macro cell where the terminal type base station is located, and the location information of the terminal type base station, and the cell configuration request message is used to indicate the network side device.
  • the cell configuration information is allocated to the terminal type base station, and the cell configuration information may be one or more of a physical cell identifier, a maximum transmit power, a frequency point, and a tracking area code.
  • the network configuration request message sent by the network side device to receive the terminal type device may be performed through a data connection above the IP layer to reduce occupation of control plane signaling resources of the communication system.
  • the network side device determines, according to the location information of the terminal type base station, the neighboring small base station of the terminal type base station, and allocates the physical layer cell to the terminal type base station according to the preset allocation rule and the preset terminalized small cell dedicated physical layer cell identification interval. logo.
  • the network side device stores a distribution location map of each small base station deployed under the macro base station, where the location of the ordinary small base station is generally fixed, and the location of the terminal type base station may move with the user, when the location of the terminal type base station occurs.
  • the network side device reports its current location, and the network side device updates the distribution location map of each small base station.
  • the network side device may determine the neighboring small base station of the terminal type base station according to the reported location information of the terminal type base station, and select one physical layer cell from the preset terminalized small cell dedicated physical layer cell identification interval according to a preset allocation rule. The identity is assigned to the terminal type base station.
  • the network side device returns a cell configuration response message to the terminal type base station.
  • the network side device adds the physical layer cell identifier allocated to the terminalized small cell of the terminal type base station to the cell configuration information, and the cell configuration information may further include other parameters configured by the network side device as the terminalized small cell of the terminal type base station, for example, , maximum transmit power, tracking area code, frequency point, etc.
  • the cell configuration response message carrying the cell configuration information is returned to the terminal type base station.
  • the network side device may also send a cell configuration response message to the terminal type base station through a data connection above the IP layer.
  • the assigning the physical layer cell identifier to the terminal type base station according to the preset allocation rule and the preset physical layer cell identifier interval includes:
  • the network side device is based on a collision free allocation rule and a condensation free allocation rule.
  • the preset terminalized small cell dedicated physical layer cell identification interval selects an idle state physical layer cell identifier, and the selected idle state physical layer cell identifier is allocated to the terminal type base station.
  • the terminalized small cell dedicated physical layer cell identification interval indicates a range of physical layer cell identifiers allocated for the terminalized small cells of the licensed spectrum, and the physical layer cell identifier in the terminalized small cell dedicated cell network interval can only be used.
  • the macro cell dedicated physical layer cell identifier indicates the range of the physical layer cell identifier allocated for the macro cell, and the intersection of the terminalized small cell dedicated physical layer cell identification interval and the macro cell dedicated physical layer cell identification interval If the physical layer cell identifier of the physical layer of the terminal is allocated to the terminal type base station, the physical layer cell identifier is set to idle.
  • the network side device can recover the physical layer cell identifier of the terminalized small cell, and set the physical layer cell identifier to the occupied state; the network side device is based on the conflict-free allocation.
  • the principle of rule and non-aliasing is the terminalized small cell allocation of the terminal base station Layer cell identifier
  • the conflict-free allocation rule indicates that two adjacent licensed spectrum small cells cannot use the same physical layer cell identifier. If the same mobile terminal may not be able to read PSS and SSS, it cannot synchronize with the cell; Two adjacent licensed spectrum small cells representing the same licensed spectrum small cell cannot be allocated the same physical layer cell identifier. For example, if two adjacent authorized spectrum small cells of the licensed small cell C are M and N, the licensed small cell M is authorized. And N cannot assign the same physical layer cell identity.
  • the allocating the physical layer cell identifier to the terminal type base station according to the preset allocation rule further includes:
  • the network side device allocates a physical layer cell identifier to the terminalized small cell of the terminal type base station according to the allocation rule of the space division multiplexing; wherein the small cells with the same frequency value of the same frequency point are assigned the same physical Layer cell identifier, two adjacent small cells of different frequency points are assigned the same physical layer cell identifier.
  • the network side device may also allocate a physical layer cell identifier to the terminalized small cell of the terminal type base station according to the allocation rule of the space division multiplexing, and assign the same physical layer to the small cell with the same frequency point greater than the preset value.
  • the cell identifier, the two adjacent small cells at different frequency points are assigned the same physical layer cell identifier, and the physical layer cell identifier is used in the case where the number of physical layer cell identifiers is tight, wherein the space division multiplexing allocation rule
  • the small cells are all small cells of the licensed spectrum, and the small cells of the authorized spectrum may be ordinary small cells or terminal small cells.
  • the preset distance is 4 cell radii
  • the frequency of the small cell D and the small cell F are the same
  • the small cell D and the small cell F all work on the licensed spectrum
  • the distance between the two is 10 cell radius, which is greater than the pre- Set a distance of 8 cell radii, then small cell D and small
  • the area F can be assigned the same physical layer cell identifier; for example, the small cell F and the small cell G operating in the licensed spectrum are adjacent, but the frequency of the two is different, and the small cell F and the small cell G can be allocated.
  • the same physical layer cell identity may be set according to requirements, and the present invention is not limited.
  • the physical layer cell identifier may be a physical cell identifier or other identifier for uniquely indicating the identity information of the cell, which is not limited by the present invention.
  • the method before the network side device receives the cell configuration request message sent by the terminal type base station, the method further includes:
  • the network side device is configured with a terminalized small cell dedicated physical layer cell identification interval and a macro cell dedicated physical layer cell identification interval, where the terminalized small cell dedicated physical layer cell identification interval and the macro cell dedicated physical layer cell identification interval The intersection is empty.
  • the cell configuration request message is sent to the network side device, and the network side device according to the surrounding authorized spectrum small cell and the macro cell where the terminal type base station reports
  • the wireless parameter configuration information is used to allocate the cell configuration information of the terminalized small cell, and the terminal type base station configures the terminalized small cell according to the cell configuration information, so that the terminal UE normally accesses the terminalized small cell.
  • FIG. 5 is a schematic structural diagram of a terminal type base station according to an embodiment of the present invention.
  • the terminal type base station in the embodiment of the present invention is configured to perform a terminalized small cell configuration for an unlicensed spectrum in FIG. 3 .
  • the method, the terms and processes involved may be described with reference to the embodiment of FIG. 3.
  • the terminal type base station 5 includes a listening module 501, an obtaining module 502, a receiving module 503, and a configuration module 504.
  • the monitoring module 501 is configured to monitor radio parameter configuration information of the surrounding licensed spectrum small cell and the macro cell where the radio cell configuration information is included, where the radio parameter configuration information includes a physical layer cell identifier and a cell frequency point.
  • the obtaining module 502 is configured to acquire location information, and send a cell configuration request message to the network side device, where the cell configuration request message carries the wireless parameter configuration information and location information of the terminal type base station.
  • the receiving module 503 is configured to receive a cell configuration response message that is returned by the network side device according to the cell configuration request message, where the cell configuration response message carries cell configuration information, where the cell configuration information includes being allocated to the terminal type base station Physical layer cell identity.
  • the configuration module 504 is configured to configure the terminal small cell according to the cell configuration information carried in the cell configuration response message.
  • the physical layer cell identifier includes a physical cell identifier PCI or a tracking area code TAC.
  • the obtaining module 502 includes:
  • a first location information acquiring unit configured to acquire a latitude and longitude of the current location, and use the latitude and longitude as the location information;
  • the second location information acquiring unit is configured to acquire received signal strengths of the at least three neighboring small base stations, and use the received signal strengths of the at least three neighboring small base stations as the location information.
  • the cell configuration request message further carries status indication information of the terminalized small cell.
  • the monitoring module 501 is configured to:
  • the radio parameter configuration information of the macro cell in which the macro cell is monitored, and the radio parameter configuration information of the normal small cell and the terminal small cell operating in the licensed spectrum are monitored according to the frequency band range of the licensed spectrum.
  • the receiving module 503 is configured to:
  • FIG. 5 is a schematic diagram of another structure of a terminal type base station according to an embodiment of the present invention.
  • the terminal type base station 5 includes a processor 501, a memory 502, and a transceiver 503.
  • the transceiver 503 is configured to transmit and receive data with and from an external device.
  • the number of processors 501 in the terminal type base station 5 may be one or more.
  • processor 501, memory 502, and transceiver 503 may be coupled by a bus system or other means.
  • the terminal type base station 5 can be used to perform the method shown in FIG. For the meaning and examples of the terms involved in the embodiment, reference may be made to the corresponding embodiment of FIG. 3. I will not repeat them here.
  • the program code is stored in the memory 502.
  • the processor 501 is configured to call the program code stored in the memory 502 for performing the following operations:
  • the wireless parameter configuration information of the surrounding licensed small cell and the macro cell in which the macro cell is located wherein the wireless parameter configuration information includes a physical layer cell identifier and a cell frequency point;
  • the cell configuration response message carries cell configuration information, where the cell configuration information includes a physical layer cell identifier allocated to the terminal type base station;
  • the physical layer cell identity comprises a physical cell identity PCI or a tracking area code TAC.
  • the performing, by the processor 501, the acquiring location information includes:
  • the cell configuration request message further carries status indication information of the terminalized small cell.
  • the performing, by the processor 501, the radio parameter configuration information of the licensed spectrum small cell and the macro cell where the monitoring is performed includes:
  • the radio parameter configuration information of the macro cell in which the macro cell is monitored, and the radio parameter configuration information of the normal small cell and the terminal small cell operating in the licensed spectrum are monitored according to the frequency band range of the licensed spectrum.
  • FIG. 6 is a schematic structural diagram of a network side device according to an embodiment of the present invention.
  • the network side device in the embodiment of the present invention is configured to perform a terminal small cell configuration method for an unlicensed spectrum in FIG.
  • the terms and processes involved may be referred to the description of the embodiment of FIG.
  • the network side device 6 includes a receiving module 601, an allocating module 602, and a returning module 603.
  • the receiving module 601 is configured to receive a cell configuration request message sent by the terminal type base station, where the cell configuration request message carries the surrounding licensed spectrum small cell monitored by the terminal type base station and the macro cell where the terminal type base station is located Wireless parameter configuration information and location information of the terminal type base station, the wireless parameter configuration information including a physical layer cell identifier and a cell frequency point.
  • the allocating module 602 is configured to determine, according to the location information of the terminal type base station, the neighboring small base station of the terminal type base station, and according to the preset allocation rule and the preset terminalized small cell dedicated physical layer cell identification interval.
  • the terminal type base station allocates a physical layer cell identifier.
  • the returning module 603 is configured to return a cell configuration response message to the terminal type base station, where the cell configuration response message carries cell configuration information, where the cell configuration information includes a physical layer cell identifier allocated to the terminal type base station.
  • the allocation module 602 is configured to:
  • the allocation module 602 is further configured to:
  • the physical layer cell identifier is allocated to the terminal type base station according to the space division multiplexing allocation rule; wherein the small cells with the same frequency point greater than the preset value are assigned the same physical layer cell identifier, and the two phases of different frequency points are The neighboring small cells are assigned the same physical layer cell identity.
  • the network side device further includes:
  • a setting module configured to configure a terminalized small cell dedicated physical layer cell identification interval and a macro cell dedicated physical layer cell identification interval, where the terminalized small cell dedicated physical layer cell identification interval and the macro cell dedicated physical layer cell identification interval The intersection is empty.
  • FIG. 6 is a schematic diagram of another structure of a network side device according to an embodiment of the present invention.
  • the network side device 6 includes a processor 601, a memory 602, and a transceiver 603.
  • the transceiver 603 is configured to transmit and receive data with and from an external device.
  • the number of processors 601 in the network side device 6 may be one or more.
  • processor 601, memory 602, and transceiver 603 may be connected by a bus system or other means.
  • the network side device 6 can be used to perform the method shown in FIG. For the meaning and examples of the terms involved in the embodiment, reference may be made to the corresponding embodiment of FIG. I will not repeat them here.
  • the program code is stored in the memory 602.
  • the processor 601 is configured to call the program code stored in the memory 602 for performing the following operations:
  • the cell configuration request message carries the wireless parameter configuration information of the surrounding licensed spectrum small cell and the macro cell where the terminal type base station is located, and the location The location information of the terminal type base station, where the wireless parameter configuration information includes a physical layer cell identifier and a cell frequency point;
  • the cell configuration response message carries cell configuration information, where the cell configuration information includes a physical layer cell identifier allocated to the terminal type base station.
  • the processor 601 performs the assigning the physical layer cell identifier to the terminal type base station according to the preset allocation rule and the preset physical layer cell identifier interval, including:
  • the performing, by the processor 601, the assigning the physical layer cell identifier to the terminal type base station according to the preset allocation rule further includes:
  • the physical layer cell identifier is allocated to the terminal type base station according to the space division multiplexing allocation rule; wherein the small cells with the same frequency point greater than the preset value are assigned the same physical layer cell identifier, and the two phases of different frequency points are The neighboring small cells are assigned the same physical layer cell identity.
  • the processor 601 before the processor 601 performs the receiving a cell configuration request message sent by the terminal type base station, the processor 601 is further configured to:
  • the terminalized small cell dedicated physical layer cell identification interval and the macro cell dedicated physical layer cell identification interval are configured, wherein an intersection of the terminalized small cell dedicated physical layer cell identification interval and the macro cell dedicated physical layer cell identification interval is empty.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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

Abstract

Les modes de réalisation de l'invention concernent un procédé d'attribution d'un spectre sous licence à une petite cellule de terminal. Le procédé consiste à : surveiller des informations de configuration de paramètre sans fil d'une petite cellule environnante dans un spectre sous licence et une macrocellule, les informations de configuration de paramètre sans fil comprenant un identifiant de cellule de couche physique et une fréquence de cellule ; acquérir des informations de position, et transmettre à un appareil de réseau un message de demande de configuration de cellule contenant les informations de configuration de paramètre sans fil et les informations de position ; recevoir un message de réponse de configuration de cellule envoyé par l'appareil de réseau d'après le message de demande de configuration de cellule, le message de réponse de configuration de cellule contenant des informations de configuration de cellule comprenant un identifiant de cellule de couche physique attribué ; et configurer la petite cellule de terminal d'après les informations de configuration de cellule contenues dans le message de réponse de configuration de cellule. Les modes de réalisation de l'invention concernent en outre un appareil associé et un système de communication. L'invention est utilisée pour configurer un paramètre sans fil pour une petite cellule de terminal dans un spectre sous licence, permettant à l'UE d'accéder à la petite cellule de terminal.
PCT/CN2016/107807 2016-04-19 2016-11-30 Procédé d'attribution de spectre sous licence à une petite cellule de terminal, et appareil et système associés Ceased WO2017181678A1 (fr)

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CN107872861A (zh) * 2016-09-28 2018-04-03 中兴通讯股份有限公司 一种系统消息的发送接收方法及装置
CN114173308B (zh) * 2017-03-24 2025-03-04 华为技术有限公司 一种系统信息传输方法及装置
CN114339806B (zh) * 2020-09-29 2024-08-06 维沃移动通信有限公司 工作区域变更方法、终端及网络侧设备

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