[go: up one dir, main page]

WO2013139289A1 - Procédé de coordination d'interférence entre des points d'accès dans un système de communication et dispositif de point d'accès - Google Patents

Procédé de coordination d'interférence entre des points d'accès dans un système de communication et dispositif de point d'accès Download PDF

Info

Publication number
WO2013139289A1
WO2013139289A1 PCT/CN2013/073004 CN2013073004W WO2013139289A1 WO 2013139289 A1 WO2013139289 A1 WO 2013139289A1 CN 2013073004 W CN2013073004 W CN 2013073004W WO 2013139289 A1 WO2013139289 A1 WO 2013139289A1
Authority
WO
WIPO (PCT)
Prior art keywords
access point
resource element
value
transmission strength
resource block
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/CN2013/073004
Other languages
English (en)
Chinese (zh)
Inventor
余政
蔺波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
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
Publication of WO2013139289A1 publication Critical patent/WO2013139289A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/20—Interfaces between hierarchically similar devices between access points

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an interference coordination method between access points in a communication system and an access point device.
  • the communication system is composed of different network side access points and terminal side access points.
  • the access point is a node entity of the communication system.
  • the usual access points are classified according to types, including a base station (hereinafter referred to as BS, Or Node B, hereinafter referred to as: NB), Evolved Node B (hereinafter referred to as eNB), Base Transceiver (BTS), Relay (Relay), Home Node B, Home The evolved base station (Home evolved node B), the WiFi device, the remote radio head (RRH) device, and the terminal device, and the terminal device, and the terminal device includes a device for accessing the communication system, such as a mobile phone or a tablet computer.
  • BS base station
  • eNB Evolved Node B
  • BTS Base Transceiver
  • Relay Relay
  • Home Node B Home evolved node B
  • the WiFi device the remote radio head (RRH) device
  • RRH remote radio head
  • terminal device includes a device for
  • the invention provides a method for coordinating interference between access points in a communication system and an access point device, Interference coordination between access points of a heterogeneous communication system is effectively performed.
  • One aspect of the present invention provides a method for interference coordination between access points in a communication system, including:
  • the sender access point determines average transmission strength parameter information of the resource elements in the at least one physical resource block, and transmits average transmission strength parameter information of the resource elements in the at least one physical resource block to the neighboring access point, the at least one The average transmission strength parameter information of the resource elements in the physical resource block is used for interference coordination between the sender access point and the receiver access point.
  • Another aspect of the present invention is to provide an interference coordination method between access points in another communication system, including:
  • the receiver access point performs interference coordination according to the average transmission strength parameter information of the resource elements in the at least one physical resource block.
  • an access point device including:
  • a determining module configured to determine average transmission strength parameter information of resource elements in at least one physical resource block
  • a transmission module configured to transmit, to a neighboring access point, average transmission strength parameter information of resource elements in the at least one physical resource block, where average transmission strength parameter information of resource elements in the at least one physical resource block is used in Interference coordination between the sender access point and the receiver access point.
  • the average transmission strength parameter information of the RE in the at least one PRB determined by the sender access point, and the average transmission strength parameter information of the RE in the at least one PRB is transmitted to the adjacent access Pointing, so that the neighboring access point can determine the energy or power intensity of the data transmission of the sender access point on the at least one PRB according to the foregoing information, to circumvent or normally use the same spectrum resource, to achieve the purpose of interference coordination. . DRAWINGS
  • FIG. 1 is a schematic flow chart of a method for coordinating interference between access points in a communication system according to an embodiment of the present invention
  • FIG. 2 is a schematic flow chart of a method for coordinating interference between access points in a communication system according to an embodiment of the present invention
  • FIG. 3 is a schematic flow chart of a method for coordinating interference between access points in a communication system according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram 1 of an access point device according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram 2 of an access point device according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram 3 of an access point device according to an embodiment of the present invention.
  • FIG. 1 is a schematic flowchart of an interference coordination method between access points in a communication system according to an embodiment of the present invention.
  • the method is mainly directed to a method for a sender access point in a heterogeneous communication system.
  • the method includes the following steps: Step 101:
  • the sender access point determines an average transmission strength parameter information of a resource element (hereinafter referred to as: RE) in at least one physical resource block (hereinafter referred to as PRB);
  • RE resource element
  • PRB physical resource block
  • Step 102 The sender access point transmits, to the receiver access point, a notification message carrying average transmission strength parameter information of at least one RE in the PRB, where the average transmission strength parameter information of the RE in the less PRB is used in the sender Interference coordination between the access point and the recipient access point.
  • the access point enables the neighboring access point to determine the energy or power strength of the data transmission of the sender access point on the at least one PRB according to the foregoing information, so as to circumvent or normally use the same spectrum resource to achieve interference coordination. the goal of.
  • the interference coordination parameter is performed by using the average transmission strength parameter information of the REs in the PRB, and the sender access point may determine the average transmission strength parameter information of the REs in one or more PRBs and transmit the information to the receiver access point for interference coordination.
  • the sender access point determines the average transmission strength parameter information of all REs in the PRB that it sends, and transmits the information to the receiver access point, so as to facilitate the interference coordination of the neighboring access points.
  • FIG. 2 is a flowchart of a method for coordinating interference between access points in a communication system according to an embodiment of the present invention.
  • Figure 2 as shown in Figure 2, includes the following steps:
  • Step 201 The receiver access point receives the average transmission strength parameter information of the RE in the at least one PRB transmitted by the sender access point.
  • Step 202 The receiver access point performs interference coordination according to the average transmission strength parameter information of the RE in the at least one PRB.
  • the receiver access point after receiving the average transmission strength parameter information of the RE in at least one PRB transmitted by the adjacent sender access point, the receiver access point can The energy or power intensity of the data transmission of the neighboring access point on the at least one PRB is determined according to the foregoing information, so as to circumvent or normally use the same spectrum resource to achieve the purpose of interference coordination.
  • the average transmission strength parameter information of the REs in the at least one PRB of the foregoing embodiment may include multiple cases.
  • the average transmission strength parameter information includes the RE maximum transmission power value of the sender access point, and the RE average transmission strength value in the PRB. a ratio threshold of a maximum transmission strength value of the RE of the sender access point, and a ratio state value of the RE average transmission strength value of the at least one PRB to the RE maximum transmission strength value of the sender access point, wherein the RE maximum transmission power
  • the value may be determined by the sender access point according to the maximum output power of the sender access point, and may be included in a single OFDM that does not include a Common Reference Signal (CRS) and all available subcarriers.
  • CRS Common Reference Signal
  • the above RE maximum transmission power value can be regarded as the maximum possible transmission power of the RE except the reference signal.
  • the actual transmission power of the RE that is, the average transmission power value of the RE in at least one PRB, is smaller than the maximum transmission power value of the RE.
  • the RE average transmission strength value in the PRB and the RE maximum of the sender access point are set.
  • the ratio threshold of the transmission strength value for example, the ratio threshold may be set to -3 dB.
  • the ratio threshold set may be fixed, that is, the average transmission strength parameter information of the REs in multiple PRBs is acquired.
  • the obtained ratio threshold is consistent; further, when the sender access point sets different types of subframes, the set thresholds may be different for different types of subframes.
  • the ratio of the average RE transmission strength value of the inner RE to the RE maximum transmission strength value of the sender access point is less than the ratio threshold. If it is 1, it may indicate that the sender access point does not promise the average transmission strength value of the RE within the PRB and the sender.
  • the ratio of the RE maximum transmission strength value of the access point is less than the ratio threshold, or the ratio of the RE average transmission strength value in the PRB to the RE maximum transmission strength value of the sender access point is greater than the ratio threshold.
  • the transmission strength of the RE may be the transmission power of the RE.
  • the transmission energy representation that is, the ratio threshold of the average transmission strength value of the resource element in the PRB and the RE maximum transmission power value of the sender's access point in the foregoing embodiment, and the average transmission strength value of the RE in at least one PRB are connected to the sender.
  • the ratio state value of the RE maximum transmission strength value of the in-point is a ratio state value of the RE average transmission power value of the at least one PRB to the RE maximum transmission power value of the sender access point; or
  • the ratio of the ratio of the RE average transmission strength value in the PRB to the RE maximum transmission strength value of the sender access point is a ratio threshold of the RE average transmission energy value in the PRB and the RE maximum transmission energy value of the sender access point.
  • a ratio of the average transmission strength value of the RE in the at least one PRB to the maximum transmission strength value of the RE of the sender access point is a ratio of the average transmission energy value of the RE in the at least one PRB to the maximum transmission energy value of the RE of the sender access point.
  • Status value Since the transmission power value of RE can be regarded as the transmission energy value of RE per unit time, although the representation is different, the two are consistent in the ratio relationship.
  • performing interference coordination according to the average transmission strength parameter information of the RE in the at least one PRB may specifically include:
  • the ratio of the average transmission strength value of the RE in the PRB to the RE maximum transmission strength value of the sender access point, and the average transmission strength value of the RE in at least one PRB are connected to the sender.
  • the ratio state value of the RE maximum transmission strength value of the in-point obtains the RE average transmission power value in the at least one PRB, and performs interference coordination according to the RE average transmission power value in the at least one PRB.
  • the average transmission power value of the RE in at least one PRB can be determined. For example, in the received transmission strength parameter information, when the ratio threshold is -3 dB and the ratio status value is 0, it can be determined.
  • the RE average transmission power value range in the PRB is less than 0.5 RE maximum transmission power value, and the RE maximum transmission power value is already included in the average transmission strength parameter information, so the neighboring access point can directly obtain the RE average transmission in the PRB.
  • the ratio status value when the ratio status value is 0, it indicates that the sender access point indicates that the energy of data transmission on the PRB is low, and the receiver access point can schedule data transmission of the edge user equipment.
  • the ratio status value when the ratio status value is 1, it may indicate that the sender access point indicates that the data transmission energy on the PRB is high, and the receiver access point may schedule the data transmission of the own central user equipment to the On the PRB, interference coordination between adjacent sender access points and receiver access points is achieved.
  • the transmission strength parameter information of the RE in the at least one PRB includes the RE maximum transmission power value of each type of subframe of the sender access point, and the RE average transmission strength value in the PRB is connected to the sender.
  • the transmission strength parameter information includes a RE maximum transmission power value of each type of subframe of the sender access point, and a subframe pattern of each type of subframe, so that the neighboring access point receives the notification message,
  • the type of the subframe may be determined according to the subframe pattern, and the RE maximum transmission power value of the subframe of the corresponding type may be acquired.
  • performing interference coordination according to the average transmission strength parameter information of the RE in the at least one PRB may specifically include:
  • a ratio of a RE maximum transmission power value of the subframe of the type of the sender access point, a ratio of a RE average transmission strength value in the PRB to a RE maximum transmission strength value of the sender access point, and at least one PRB Obtaining a ratio of a RE average transmission strength value to a RE maximum transmission strength value of the sender access point, obtaining an average RE transmission power value of at least one PRB in the subframe of the type, and according to at least one of the types of subframes Interference coordination is performed by the RE average transmission power value within a PRB.
  • the receiver access point can calculate a range of RE average transmission power values in at least one PRB of the subframe of the type to perform interference coordination, and for the receiver access point, the ratio state value is 0, indicating that the sender access point indicates that the energy of data transmission on the PRB is low, and the receiver access point can schedule data transmission of the edge user equipment to the PRB, and when the ratio status value is 1, It may mean that the sender access point indicates that the energy of data transmission on the PRB is high, and the receiver access point can schedule data transmission of its own central user equipment to the PRB.
  • the average transmission strength parameter information of the RE in the at least one PRB includes the RE maximum transmission energy value of the sender access point, the RE average transmission strength value in the PRB, and the RE maximum transmission strength of the sender access point.
  • the average transmission strength parameter information in this embodiment includes the RE maximum transmission energy value of the sender access point, and the RE average transmission energy value range in the PRB can be obtained according to the ratio threshold and the ratio state value.
  • performing interference coordination according to the average transmission strength parameter information of the RE in the at least one PRB may specifically include:
  • the ratio threshold of the RE average transmission strength value in the PRB and the RE maximum transmission strength value of the sender access point, and the average RE transmission strength value and transmission in the at least one PRB acquires an average transmission energy value of the REs in at least one PRB, and performs interference coordination according to the average transmission energy value of the REs in the at least one PRB.
  • the receiver access point can calculate the range of the RE average transmission energy value in at least one PRB, thereby performing interference coordination. For the receiver access point, when the ratio status value is 0, the sender is represented.
  • the access point indicates that the energy of data transmission on the PRB is low, and the receiving access point can schedule data transmission of the edge user equipment to the PRB, and when the ratio status value is 1, it may indicate that the sender accesses
  • the point indicates that the energy of data transmission on the PRB is high, and the receiving access point can schedule data transmission of its own central user equipment to the PRB.
  • the average transmission strength parameter information of the REs in the at least one PRB includes the RE maximum transmission energy value of each type of subframe of the sender access point, the RE average transmission strength value in the PRB, and the sender access point.
  • the neighboring access point may determine the type of the subframe configured by the sender access point according to the subframe pattern, and obtain the RE maximum transmission energy value of the subframe of the corresponding type of the sender access point according to the type of the subframe. Further, according to the above-mentioned ratio threshold and ratio state value, the RE average energy value range in the PRB in the subframe of the type is obtained.
  • performing interference coordination according to the average transmission strength parameter information of the RE in the at least one PRB may specifically include:
  • the ratio of the RE maximum transmission energy value of the subframe of the type of the sender access point, the ratio of the average transmission strength value of the RE in the PRB to the RE maximum transmission strength value of the sender access point, and at least one PRB Obtaining a ratio of a RE average transmission strength value to a RE maximum transmission strength value of the sender access point, and obtaining an average RE transmission energy value of at least one PRB in the subframe of the type, and according to the subframe type, at least The average transmission energy value of RE in a PRB is used for interference coordination.
  • the receiver access point may determine the average transmission energy value of the RE in at least one PRB and perform interference coordination. For the receiver access point, when the ratio status value is 0, the sender access is performed.
  • the point indicates that the energy of the data transmission on the PRB is low, and the receiver access point can schedule the data transmission of the edge user equipment to the PRB, and when the ratio status value is 1, it may indicate the sender access point indication.
  • the data transmission energy on the PRB is high, and the receiving access point can schedule data transmission of its own central user equipment to the PRB.
  • the average transmission strength parameter information of the REs in the at least one PRB transmitted by the sender access point to the neighboring access point includes the RE maximum transmission power value or the RE maximum transmission energy value. Further, the information includes the above-mentioned ratio threshold and ratio state value, so that the neighboring access point can acquire the RE average transmission power value or the average transmission energy value in at least one PRB.
  • the maximum output power value of the sender access point may be transmitted to the neighboring access point, and the neighboring access point obtains the RE maximum transmission power value according to the maximum transmission power value or RE maximum transmission energy value.
  • the average transmission strength parameter information of the RE in the at least one PRB includes a maximum output power of the sender access point, a ratio threshold of the RE average transmission strength value in the PRB and a RE maximum transmission strength value of the sender access point, and The ratio state value of the RE average transmission strength value in at least one PRB to the RE maximum transmission strength value of the sender access point.
  • the RE maximum transmission power value may be obtained by normalizing according to the maximum output power of the sender access point, on a single OFDM that does not include the CRS, and the available REs composed of all available subcarriers.
  • the foregoing calculation of the RE maximum transmission power value according to the maximum output power of the sender access point may be implemented by the receiver access point.
  • performing interference coordination according to the average transmission strength parameter information of the RE in the at least one PRB may include:
  • a ratio threshold of the RE average transmission strength value in the physical resource block to the RE maximum transmission strength value of the sender access point, and an average RE transmission in the at least one physical resource block Obtaining an average value of the RE average transmission power value of the at least one physical resource block, and performing interference coordination according to the RE average transmission power value in the at least one physical resource block;
  • the receiver access point obtains the maximum transmission energy value of the RE of the sender access point according to the maximum output power value of the sender access point.
  • the specific interference coordination includes the following steps: The interference coordination performed by the receiver access point according to the average transmission strength parameter information of the REs in the at least one PRB includes:
  • the ratio threshold of the RE average transmission strength value in the PRB and the RE maximum transmission strength value of the sender access point, and the average RE transmission strength value and transmission in the at least one PRB acquires the RE average transmission energy value in the at least one PRB, and performs interference coordination according to the RE average transmission energy value in the at least one PRB.
  • the receiver access point may obtain the RE average transmission power value range or the RE average transmission energy value range by performing the foregoing embodiment.
  • Interference coordination for example, when the ratio state value is 0, indicating that the sender access point indicates that the energy of data transmission on the PRB is low, and the receiver access point can schedule data transmission of the edge user equipment to the PRB.
  • the ratio state value is 1, it may indicate that the sender access point indicates that the energy of data transmission on the PRB is high, and the receiver access point may schedule data transmission of the center user equipment to the PRB.
  • different types of subframes may be configured, and different maximum output powers are set for each type of subframe, that is, the above-mentioned at least one PRB average transmission strength parameter information includes sender access.
  • performing interference coordination according to the average transmission strength parameter information of the RE in the at least one PRB may include:
  • the ratio threshold of the RE average transmission strength value in the PRB and the RE maximum transmission strength value of the sender access point, and the average RE transmission strength value and transmission in the at least one PRB Obtaining a ratio of the RE maximum transmission strength values of the party access point, obtaining an average RE transmission power value of at least one PRB in the subframe of the type, and transmitting an average of the resource elements in the at least one PRB according to the type of the subframe Power value for interference coordination; or,
  • the interference coordination performed by the receiver access point according to the average transmission strength parameter information of the resource elements in the at least one PRB includes:
  • a ratio threshold of a RE average transmission strength value to a RE maximum transmission strength value of the sender access point and a ratio state value of the RE average transmission strength value in the at least one PRB to the RE maximum transmission strength value of the sender access point, And performing average interference transmission energy value in at least one PRB in the subframe type, and performing interference coordination according to the RE average transmission energy value in at least one PRB of the subframe type.
  • the sender access point may send different types of subframes with different maximum output power values
  • the receiver access point can do this accordingly Interference coordination, when the ratio status value is 0, indicating that the sender access point indicates that the energy of data transmission on the PRB is low, and the receiver access point can schedule data transmission of the edge user equipment to the PRB, and When the ratio status value is 1, it may indicate that the sender access point indicates that the energy of data transmission on the PRB is high, and the receiver access point may schedule data transmission of its own central user equipment to the PRB.
  • the average transmission strength parameter information of the RE in the at least one PRB may include the device type information of the sender access point, the RE average transmission strength value in the PRB, and the RE maximum transmission strength value of the sender access point.
  • the RE maximum transmission power value or the RE maximum transmission energy value of each type of sender access point is pre-stored in the receiver access point, or the maximum output of each type of sender access point is pre-stored.
  • the power value is such that after receiving the device type information of the sender access point, the receiver access point can obtain the foregoing information according to the device type information, and obtain the maximum transmission power value of the RE of the sender access point according to the foregoing information. Or the maximum transmission energy value of the RE, or the maximum output power value of the sender's access point.
  • the interference coordination performed by the receiver access point according to the average transmission strength parameter information of the RE in the at least one PRB may include:
  • the ratio threshold of the RE average transmission strength value in the PRB and the RE maximum transmission strength value of the sender access point, and the average RE transmission strength value and transmission in the at least one PRB Obtaining an average value of the RE transmission power value of the at least one PRB, and obtaining interference coordination according to the average transmission power value of the RE in the at least one PRB; or
  • the interference coordination performed by the receiver access point according to the average transmission strength parameter information of the REs in the at least one PRB includes: Obtaining, according to device type information of the sender access point, a RE maximum transmission energy value of the sender access point;
  • a ratio of a maximum transmission energy value of the resource element of the sender access point, a ratio of an average transmission power value of the resource element in the PRB to a maximum transmission power value of the resource element of the sender access point, and an average transmission of the resource element in the at least one PRB Obtaining a ratio state value of a power value to a maximum transmission power value of a resource element of the sender access point, acquiring an average transmission energy value of the resource element in the at least one physical resource block, and transmitting an average energy value according to the resource element in the at least one physical resource block Interference coordination.
  • the device obtains the maximum transmission energy value of the RE of the sender access point according to the device type information of the sender access point.
  • the maximum output power value of the sender access point is different, that is, the maximum transmission power value of the RE in the PRB and the RE.
  • the maximum transmission energy value is different.
  • the maximum output power value of each type of subframe of the sender access point of each device type may be stored at the receiver access point, or the maximum transmission power value of the RE in the PRB, or It is the maximum transmission energy value of the RE in the PRB, but in this case, the transmission strength parameter information of the RE in at least one PRB further includes the subframe pattern of each type of subframe.
  • the RE average transmission power parameter in the at least one PRB includes device type information of the sender access point, a ratio threshold of the RE average transmission strength value in the PRB and a RE maximum transmission strength value of the sender access point, and at least one PRB.
  • performing interference coordination according to the average transmission strength parameter information of the REs in the at least one PRB may specifically include: Determining, according to the subframe pattern of each type of subframe, a type of the subframe configured by the sender access point; acquiring the sender access point according to the type of the subframe and the device type information of the sender access point.
  • the RE maximum transmission power value of the subframe of the type may specifically include: Determining, according to the subframe pattern of each type of subframe, a type of the subframe configured by the sender access point; acquiring the sender access point according to the type of the subframe and the device type information of the sender access point.
  • the RE maximum transmission power value of the subframe of the type may specifically include: Determining, according to the subframe pattern of each type of subframe, a type of the subframe configured by the sender access point; acquiring the sender access point according to the type of the subframe and the device type information of the sender access point.
  • the interference coordination performed by the receiver access point according to the average transmission strength parameter information of the resource elements in the at least one PRB includes:
  • the resource element of the type of subframe has a maximum transmission energy value
  • a resource element maximum transmission energy value according to the type of subframe of the sender access point, a ratio threshold of a RE average transmission strength value in the PRB and a RE maximum transmission strength value of the sender access point, and at least one PRB Obtaining a ratio state value of an inner RE average transmission strength value to a RE maximum transmission strength value of the sender access point, acquiring an average RE transmission energy value of at least one PRB in the subframe of the type, and according to the type of the subframe Interference coordination is performed by the average RE transmission energy value of at least one PRB.
  • the sender access point is obtained according to the device type information of the sender access point.
  • the RE maximum transmission energy value may specifically include:
  • the sender access point transmits the average transmission strength parameter information of the REs in the at least one PRB to the receiver access point through the X2 interface, or can be understood by those skilled in the art, the access point Other direct or indirect interfaces may also be used to interact with the above average transmission strength parameter information.
  • the average output power parameter information of the REs in the at least one PRB may be carried in a relative narrowband transmit power information element (hereinafter referred to as RNTP IE) and/or load information (Load information).
  • RNTP IE relative narrowband transmit power information element
  • Load information Load information
  • the average output power parameter information includes a RE maximum transmission power value of the sender access point, a ratio threshold of the RE average transmission strength value in the PRB and a RE maximum transmission strength value of the sender access point, and an average of at least one PRB RE average.
  • the transmission strength value is compared with the RE maximum transmission strength value of the sender access point, the above-mentioned shelving is carried in the RNTP IE, or the above values are carried in the Load information, or the sender is connected.
  • the RE maximum transmission power value of the ingress point is carried in the load information, and the ratio state value of the RE average transmission strength value of the at least one PRB to the RE maximum transmission strength value of the sender access point is carried in the RNTP IE, for other
  • the case of the average output power parameter information may also be carried in the above manner, and preferably may be a ratio threshold of the RE average transmission strength value in the PRB to the RE maximum transmission strength value of the sender access point, and at least one PRB internal RE average.
  • the ratio state value of the transmission strength value to the RE maximum transmission strength value of the sender access point is carried in the RNTP IE , While the other parameter values carried in the Load information.
  • different types of subframes are configured for the sender access point, and different types of subframes have different maximum output power values, that is, for different types of subframes, the RE maximum transmission power value or The RE maximum transmission energy value may also be different, so that a sub-frame pattern needs to be transmitted, and the sub-frame pattern may also be carried in the RNTP IE or carried in the Load information.
  • a parameter for characterizing the output power of the sender access point such as a RE maximum transmission power value of the sender access point, RE maximum transmission power value of each type of subframe of the sender access point, RE maximum transmission energy value of each type of subframe of the sender access point, maximum output power of the sender access point, sender access
  • the maximum RE transmission energy value of the point, the maximum output power of each type of subframe of the sender access point, or the device type information of the sender access point considering that for a particular type of sender access point, it does not often The change occurs, so that only when the X2 interface is initially established, the sender access point transmits to the receiver access point through the initial establishment of the X2 interface message, thereby achieving the purpose of reducing system overhead.
  • the types of BS1 and BS2 are the same, therefore, between the two It is not necessary to exchange the above information, and only the ratio threshold of the RE average transmission strength value in the respective PRBs and the RE maximum transmission strength value of the sender access point is exchanged, and the average RE transmission strength value of the at least one PRBPRB and the sender access point are
  • the ratio of the maximum transmission strength value of the RE may be the same, and the heterogeneous communication system to which the embodiment of the invention is applied, wherein the types of BS1 and BS2 may be different, for example, it may be a macro base station or one of a type of micro base station, in BS1.
  • the base station may be determined according to the device type information whether the base station is a macro base station or a micro base station, a base station of a closed subscriber group or an open user group.
  • the base station of the open subscriber group can be used as a reference for user handover, cell selection or power control.
  • BS1 reduces the transmission power on certain subframes in order to protect the transmission of the neighboring base station BS2, these subframes may be referred to as low-power subframes or low-power approximate null subframes, and subframes in which BS1 is normally transmitted. It is called a normal subframe.
  • BS1 has two sub-frame types, BS1 needs to be in positive
  • the maximum output power value or the RE maximum transmission power value on the normal subframe, the maximum output power value or the RE maximum transmission power value on the low power subframe, and the subframe pattern indicating the subframe type notify BS2.
  • the BS2 Determining, by the BS2, the subframe type of the BS1 according to the received subframe pattern of the BS1, and according to the received maximum output power value or the RE maximum transmission power value on the normal subframe, and the maximum output on the low power subframe.
  • the power value or the RE maximum transmission power value combined with the ratio threshold and the ratio state value of BS1, predicts the average transmission power value of the RE in each PRB or the average transmission energy value of the RE in the PRB in the subframe of the determined type.
  • the maximum output power value or the RE maximum transmission power value in the normal subframe may be carried in the RNTP IE of the normal subframe, and the maximum output power value or the RE maximum transmission power value of the low-power subframe may be It is carried in the RNTP IE of the low-power subframe, and interacts in the Load Information carried by the subframe pattern.
  • the maximum output power value or the RE maximum transmission power value of each type of subframe of BS1 and BS2 does not change frequently, so it is also conceivable to establish an initial interaction only on the X2 interface.
  • the embodiment of the present invention further provides an interference coordination method between access points in another communication system, and the solution can be applied to a heterogeneous communication system. As shown in FIG. 3, the method includes the following steps:
  • Step 301 The receiver access point acquires a path loss of a reference signal of the neighboring access point to the local user equipment.
  • Step 302 The receiver access point performs interference coordination according to the obtained path loss.
  • the embodiment provided by the present invention performs interference coordination by acquiring path loss of a reference signal from a neighboring access point to a local user equipment.
  • the path loss of the reference signal obtained by the foregoing access point to obtain the reference signal from the neighboring access point to the local user equipment may include the following methods:
  • the access point acquires the reference signal transmission power information sent by the neighboring access point, and acquires the reference signal received power information reported by the local user equipment;
  • the access point calculates a path loss of the reference signal from the neighboring access point to the local user equipment according to the reference signal transmission power information and the pilot channel received power information. Or, the access point acquires the reference signal transmit power information sent by the neighboring access point, and sends the information to the local user equipment;
  • the access point receives the path loss of the reference signal from the neighboring access point to the local user equipment returned by the local user equipment, where the path loss is obtained by the local user equipment according to the reference signal transmission power information and the local acquisition by the user equipment.
  • the signal received power information is calculated.
  • the access point receives the path loss of the reference signal sent by the local user equipment to the local user equipment, where the path loss is transmitted by the local user equipment according to the locally received reference signal and the user
  • the reference signal received by the device is calculated by receiving power information.
  • the transmit power of the reference signal of the base station may be transmitted (or exchanged) between the base stations, and the reference information may be a transmit power of a common reference signal (CRS) and/or Or channel state information reference signal (hereinafter referred to as CSI-RS).
  • CRS common reference signal
  • CSI-RS channel state information reference signal
  • the base station calculates the path loss of the UE and the neighboring base station according to the received transmit power of the CRS or the CSI-RS transmitted by the neighboring base station, and the neighboring area RSRP or the path loss measurement report of the UE served by the base station, thereby Interference coordination, or collaborative communication provides support.
  • the base station sends the CRS transmission power to the UE through RRC signaling, and the UE detects the CRS signal of the base station, learns the CRS reception power RSRP (Reference signal received power), and notifies according to the RSRP and the base station.
  • the CRS transmission power calculates the path loss between the base station and the UE, that is, the path loss pathloss is equal to the difference between the CRS transmission power notified by the base station and the RSRP received by the base station.
  • the UE can calculate the path loss of the UE and its own serving base station.
  • the UE can also calculate the path loss with the neighboring cell base station.
  • the serving base station of the UE the base station does not know the path loss of the UE and the neighboring base station. If the serving base station of the UE knows the path loss of the UE and the neighboring base station, it helps the serving base station of the UE according to the learned path.
  • Loss information so as to know the interference status of the UE, or to learn the interference status of the neighboring base station, so as to perform interference coordination between the base stations; or the base station learns its own UE and its neighbor according to the learned path loss information of the UE and the neighboring base station.
  • the channel condition of the regional base station thereby selecting a set of base stations for cooperative communication for the UE.
  • the transmit power of the CRS is required to be transmitted between the base stations, so that the UE served by the base station can report the measured RSRP of the neighboring base station to the base station, and the base station reports the CRS transmit power and the UE according to the received neighboring base station.
  • the difference between the RSRP of the neighboring cell calculates the path loss of the UE and the neighboring base station.
  • the base station may send the received transmit power of the neighboring base station to the UE that is serving the UE through RRC or MAC signaling, and/or physical layer signaling, so that the UE served by the base station does not need to read the bearer neighboring cell.
  • the information about the RSRP transmit power can also calculate the path loss of the UE served by the base station and the neighbor base station.
  • the base station reports the path loss of the UE and the neighboring base station by the UE triggered by the event or periodically triggering its service.
  • the UE served by the base station informs its own serving base station of the path loss of the neighboring base station through RRC or MAC signaling, and/or physical layer signaling.
  • the base station may configure the path loss measurement and the path loss report information to the UE, for example, the base station may measure the path measurement of the UE measured by the configuration process and the neighboring base station, and let the served UE report the UE and the neighboring base station. Path loss.
  • the UE After receiving the path loss measurement and the path loss report information, the UE reads the reference signal transmit power of the neighboring base station, and measures the received power of the neighbor base station reference signal, thereby calculating the path loss of the UE and the neighboring base station. And reporting the path loss to the base station.
  • FIG. 4 is a schematic structural diagram 1 of an access point device according to an embodiment of the present invention.
  • the access point device includes a determining module 11 and a transmitting module 12.
  • the determining module 11 is configured to determine average transmission strength parameter information of the resource elements in the at least one physical resource block
  • the transmission module 12 is configured to transmit, to the neighboring access point, an average transmission strength parameter of the resource elements in the at least one physical resource block.
  • Information that is flat of resource elements within the at least one physical resource block The average transmission strength parameter information is used for interference coordination between the sender access point and the receiver access point.
  • the access point enables the neighboring access point to determine the energy or power strength of the data transmission of the sender access point on the at least one PRB according to the foregoing information, so as to circumvent or normally use the same spectrum resource to achieve interference coordination. the goal of.
  • the transmission module may be specifically configured to transmit, by using the X2 interface, the average transmission strength parameter information of the resource elements in the at least one physical resource block to the receiver access point. Further, it may be that the average output power parameter information of the RE in the at least one PRB is carried in the narrowband transmission power information element information and/or the load information.
  • the access point device includes a receiving module 13 and a first in addition to the determining module 11 and the transmitting module 12.
  • the interference coordination module 14 is configured to receive the average transmission strength parameter information of the resource elements in the at least one physical resource block transmitted by the sender access point, where the first interference coordination module 14 is configured to use the at least one physical resource block. Interference coordination is performed on the average transmission strength parameter information of the inner resource element.
  • the average transmission strength parameter information in the foregoing embodiment of the present invention may include multiple situations, where the first interference coordination module 14 performs different methods for interference coordination, specifically, in the at least one
  • the average transmission strength parameter information of the resource element in the physical resource block includes the maximum transmission power value of the resource element of the sender access point, the average transmission intensity value of the resource element in the at least one physical resource block, and the maximum transmission strength of the resource element of the sender access point.
  • the first interference coordination module 14 is specifically configured to send according to the ratio threshold of the value, and the ratio of the resource element average transmission strength value in the at least one physical resource block to the maximum transmission strength value of the resource element of the sender access point.
  • the maximum transmission power value of the resource element of the square access point, and the resource element in at least one physical resource block a ratio threshold of a mean transmission strength value to a maximum transmission strength value of a resource element of the sender access point, and a ratio of an average transmission strength value of the resource element in the at least one physical resource block to a maximum transmission strength value of the resource element of the sender access point a state value, obtaining an average transmission power value of the resource elements in the at least one physical resource block, and performing interference coordination according to the average transmission power value of the resource elements in the at least one physical resource block;
  • the transmission strength parameter information of the resource element in the at least one physical resource block includes a resource element maximum transmission power value of each type of subframe of the sender access point, and an average transmission intensity value of the resource element in the at least one physical resource block.
  • the first interference coordination module 14 is specifically configured to determine, according to the subframe pattern, a type of a subframe configured by a sender access point, and obtain the type of the sender access point.
  • the ratio threshold of the maximum transmission strength value of the resource element of the access point, and the average of the resource elements in at least one physical resource block Obtaining a ratio state value of the transmission element value to the maximum transmission strength value of the resource element of the sender access point, and obtaining an average transmission power value of the resource element in at least one physical resource block in the subframe of the type, and according to the type or
  • the average transmission strength parameter information of the resource elements in the at least one physical resource block includes a maximum transmission energy value of a resource element of the sender access point, and an average transmission intensity value of the resource element in the at least one physical resource block and a resource of the sender access point.
  • the first interference coordination module 14 is specifically used when the ratio threshold of the maximum transmission strength value of the element and the ratio of the average transmission strength value of the resource element in the at least one physical resource block to the maximum transmission strength value of the resource element of the sender access point are used.
  • the average transmission strength parameter information of the resource element in the at least one physical resource block includes a resource element maximum transmission energy value of each type of subframe of the sender access point, and an average transmission strength of the resource element in at least one physical resource block.
  • a ratio threshold of a value to a maximum transmission strength value of a resource element of the sender access point, a ratio state value of an average transmission strength value of the resource element in the at least one physical resource block to a maximum transmission strength value of the resource element of the sender access point, and each The first interference coordination module 14 is specifically configured to determine, according to the subframe pattern, a type of a subframe configured by a sender access point, and obtain the identifier of the sender access point.
  • a resource element maximum transmission energy value of a subframe of a type a maximum transmission energy value of a resource element of a subframe of the type of the sender access point, an average transmission power value of the resource element in at least one physical resource block, and a sender
  • the ratio threshold of the maximum transmission strength value of the resource element of the access point, and the resource element in at least one physical resource block Obtaining a ratio state value of the average transmission strength value to the maximum transmission strength value of the resource element of the sender access point, and obtaining an average transmission energy value of the resource element in at least one physical resource block in the subframe of the type, and according to the type Interference coordination is performed on the average transmission energy value of the resource elements in at least one physical resource block in the subframe.
  • the average output strength parameter information of the resource elements in the at least one physical resource block includes a maximum output power value of the sender access point, and an average transmission strength value of the resource element in the at least one physical resource block and the sending The ratio threshold of the maximum transmission strength value of the resource element of the party access point, and the ratio state value of the resource element average transmission strength value of the at least one physical resource block to the maximum transmission strength value of the resource element of the sender access point,
  • An interference coordination module 14 is specifically configured to obtain, according to a maximum output power value of the sender access point, a resource element maximum transmission power value of the sender access point; and a maximum transmission power value of the resource element according to the sender access point , the average transmission strength value of the resource element in at least one physical resource block and the maximum transmission strength of the resource element of the sender access point Obtaining a ratio threshold of the value, and a ratio state value of the resource element average transmission strength value of the at least one physical resource block to the maximum transmission strength value of the resource element of the sender access point
  • the first interference coordination module 14 is specifically configured to obtain, according to a maximum output power value of the sender access point, a resource element maximum transmission energy value of the sender access point; according to the resource of the sender access point
  • the ratio state value of the maximum transmission strength value of the resource element of the party access point acquires the average transmission energy value of the resource element in the at least one physical resource block, and performs interference coordination according to the average transmission energy value of the resource element in the at least one physical resource block.
  • the resource element average transmission strength parameter information in the at least one physical resource block includes a maximum output power of each type of subframe of the sender access point, and an average transmission of resource elements in the at least one physical resource block.
  • the first interference coordination module 14 is specifically configured to determine, according to the subframe pattern, a type of a subframe configured by a sender access point, and the identifier of the sender access point, in the subframe design of each type of subframe a maximum output power value of a subframe of the type; obtaining a resource element maximum transmission power value of the subframe of the type of the sender access point according to a maximum output power of the subframe of the type of the sender access point; And at least one resource element in the physical resource block is
  • the first interference coordination module 14 is specifically configured to determine, according to the subframe pattern, a type of a subframe configured by a sender access point, and a maximum transmission energy value of the subframe of the type of the sender access point. Obtaining a resource element maximum transmission energy value of a subframe of the type of the sender access point according to a maximum output power of the subframe of the type of the sender access point; according to the sender access point a resource element maximum transmission energy value of the subframe of the type, a ratio threshold of a resource element average transmission strength value of the at least one physical resource block and a maximum transmission strength value of the resource element of the sender access point, and at least one physical resource block Obtaining a ratio state value of a resource element average transmission strength value to a resource element maximum transmission strength value of the sender access point, and obtaining an average transmission energy value of the resource element in at least one physical resource block in the subframe of the type, and Interference coordination is performed on the average transmission energy value of the resource elements in at least one physical resource
  • the average transmission strength parameter information of the resource element in the at least one physical resource block includes device type information of the sender access point, and the average transmission intensity value of the resource element in the at least one physical resource block and the sender
  • the first The interference coordination module 14 is specifically configured to obtain, according to device type information of the sender access point, a resource element maximum transmission power value of the sender access point, according to a maximum transmission power value of the resource element of the sender access point, at least a ratio threshold of a resource element average transmission strength value within a physical resource block to a resource element maximum transmission strength value of the sender access point, and an average element transmission strength value of the resource element in at least one physical resource block and a resource element of the sender access point The ratio state value of the maximum transmission strength value, obtaining at least one physical asset Resource
  • the first interference coordination module 14 is specifically configured to obtain, according to device type information of the sender access point, a resource element maximum transmission energy value of the sender access point; according to the sender access point The maximum transmission energy value of the resource element, the ratio of the average transmission strength value of the resource element in the at least one physical resource block to the maximum transmission strength value of the resource element of the sender access point, and the average transmission intensity value of the resource element in the at least one physical resource block And obtaining, by the ratio state value of the maximum transmission strength value of the resource element of the sender access point, obtaining an average transmission energy value of the resource element in the at least one physical resource block, and performing interference according to the average transmission energy value of the resource element in the at least one physical resource block coordination.
  • the resource element average transmission strength parameter information in the at least one physical resource block includes device type information of the sender access point, and the average transmission intensity value of the resource element in the at least one physical resource block is connected to the sender.
  • the first interference coordination module 14 is specifically configured to determine, according to the subframe pattern of each type of subframe, the type of the subframe configured by the sender access point; Determining the type of the subframe, and the device type information of the sender access point, the resource element maximum transmission power value of the subframe of the type of the sender access point; according to the type of the sender access point The maximum transmission power value of the resource element of the subframe, the average transmission strength value of the resource element in at least one physical resource block, and the resource of the sender access point
  • a type of the frame obtaining, according to the type of the subframe, and the device type information of the sender access point, a resource element maximum transmission energy value of the subframe of the type of the sender access point; accessing according to the sender a resource element maximum transmission energy value of a subframe of the type of the point, a ratio threshold of a resource element average transmission strength value of the at least one physical resource block to a maximum transmission strength value of the resource element of the sender access point, and at least one physical resource Average transmission of resource elements within a block Obtaining a ratio state value of the strength value to the maximum transmission strength value of the resource element of the sender access point, and obtaining an average transmission energy value of the resource element in at least one physical resource block in the subframe of the type, and according to the subframe of the type The resource element in the at least one physical resource block averages the transmitted energy value for interference coordination.
  • the ratio of the average transmission strength value of the resource element in the physical resource block to the maximum transmission strength value of the resource element of the sender access point is the average transmission power value of the resource element in the physical resource block and the sending
  • the ratio threshold of the maximum transmission power value of the resource element of the party access point, and the ratio of the average transmission strength value of the resource element in the at least one physical resource block to the maximum transmission strength value of the resource element of the sender access point is at least one physical resource.
  • the ratio state value of the average transmission power value of the resource element in the block to the maximum transmission power value of the resource element of the sender access point; or the average transmission strength value of the resource element in the physical resource block and the maximum transmission strength of the resource element of the sender access point is a ratio threshold of the average transmission energy value of the resource element in the physical resource block to the maximum transmission energy value of the resource element of the sender access point, and an average transmission strength value of the resource element in the at least one physical resource block and the sender.
  • the ratio of the maximum transmission strength value of the resource element of the access point At least one state value of the ratio of the maximum value of the transmission power resource element within the physical resource blocks of resource elements the average transmission energy value sender access point.
  • FIG. 6 is a schematic structural diagram 3 of an access point device according to an embodiment of the present invention.
  • the access point device includes an obtaining module 21 and a second.
  • the interference coordination module 22 is configured to obtain the path loss of the reference signal of the neighboring access point to the local user equipment.
  • the second interference coordination module 22 is configured to perform interference coordination according to the obtained path loss.
  • the acquiring module is specifically configured to acquire the reference signal transmit power information sent by the neighboring access point, and obtain the reference signal received power information reported by the local user equipment, and transmit the power information according to the reference signal. Calculating the path loss of the reference signal from the neighboring access point to the local user equipment by using the pilot channel received power information; or the acquiring module is specifically configured to obtain the reference signal transmit power information sent by the neighboring access point, and send For local user devices, and Receiving, by the local user equipment, a path loss of a reference signal from a neighboring access point to a local user equipment, where the path loss is received by the local user equipment according to the reference signal transmission power information and a reference signal locally acquired by the user equipment.
  • the power information is calculated; or the acquiring module is specifically configured to receive a path loss of a reference signal of the neighboring access point to the local user equipment sent by the local user equipment, where the path loss is received by the local user equipment according to the locally received reference.
  • the signal transmission power information and the reference signal received power information locally acquired by the user equipment are calculated.
  • the aforementioned program can be stored in a computer readable storage medium.
  • the program when executed, performs the steps including the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

Landscapes

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

Abstract

La présente invention concerne un procédé de coordination d'interférence entre des points d'accès dans un système de communication et un dispositif de point d'accès. Le procédé de coordination d'interférence comprend : un point d'accès expéditeur détermine des informations de paramètre de puissance d'émission moyenne d'un élément de ressource dans au moins un bloc de ressources physiques, et transmet l'information de paramètre de puissance d'émission moyenne de l'élément de ressource dans ledit bloc de ressources physiques à un point d'accès adjacent, l'information de paramètre de puissance d'émission moyenne de l'élément de ressource dans ledit bloc de ressources physiques servant à effectuer une coordination d'interférence entre le point d'accès émetteur et le point d'accès récepteur. Le dispositif de point d'accès comprend : un module de détermination servant à déterminer une information de paramètre de puissance d'émission moyenne d'un élément de ressources dans au moins un bloc de ressources physiques; et un module de transmission, servant à transmettre l'information de paramètre de puissance d'émission moyenne de l'élément de ressource dans ledit bloc de ressources physiques à un point d'accès adjacent. Les solutions techniques de la présente invention peuvent effectuer efficacement une coordination d'interférence entre des points d'accès dans un système de communication hétérogène.
PCT/CN2013/073004 2012-03-21 2013-03-21 Procédé de coordination d'interférence entre des points d'accès dans un système de communication et dispositif de point d'accès Ceased WO2013139289A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210076329.7 2012-03-21
CN201210076329.7A CN103327498B (zh) 2012-03-21 2012-03-21 通信系统中接入点间的干扰协调方法以及接入点设备

Publications (1)

Publication Number Publication Date
WO2013139289A1 true WO2013139289A1 (fr) 2013-09-26

Family

ID=49195976

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/073004 Ceased WO2013139289A1 (fr) 2012-03-21 2013-03-21 Procédé de coordination d'interférence entre des points d'accès dans un système de communication et dispositif de point d'accès

Country Status (2)

Country Link
CN (1) CN103327498B (fr)
WO (1) WO2013139289A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105323776A (zh) * 2014-05-29 2016-02-10 普天信息技术有限公司 一种上行干扰协调方法
CN104507092B (zh) * 2014-12-04 2017-11-17 中国联合网络通信集团有限公司 一种基于异构网络的干扰抑制方法及系统
US11553536B2 (en) 2017-12-07 2023-01-10 Beijing Xiaomi Mobile Software Co., Ltd. Channel coordination method and apparatus
CN113872739A (zh) * 2020-06-30 2021-12-31 华为技术有限公司 一种数据传输方法以及相关设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101394649A (zh) * 2007-09-21 2009-03-25 夏普株式会社 上行蜂窝通信系统中降低小区间干扰的方法及基站
CN102348216A (zh) * 2010-07-31 2012-02-08 华为技术有限公司 一种干扰处理方法和装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011083774A1 (fr) * 2010-01-08 2011-07-14 パナソニック株式会社 Appareil de communication et procédé de communication

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101394649A (zh) * 2007-09-21 2009-03-25 夏普株式会社 上行蜂窝通信系统中降低小区间干扰的方法及基站
CN102348216A (zh) * 2010-07-31 2012-02-08 华为技术有限公司 一种干扰处理方法和装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FUJITSU.: "Considerations on enhanced ICIC schemes for data channel", HENET. 3GPP TSG RAN WGL MEETING #62, August 2010 (2010-08-01), pages 1 - 3, Retrieved from the Internet <URL:http://isearch3GPPorg/isysquery/f87ca68c-22b-4caf8290-66799b10c713/1doc> *

Also Published As

Publication number Publication date
CN103327498A (zh) 2013-09-25
CN103327498B (zh) 2016-08-10

Similar Documents

Publication Publication Date Title
US10931387B2 (en) Method and apparatus for handling radio link failure in system using multiple reference signals
KR102072556B1 (ko) 헤테로지니어스 네트워크 환경에서 단말기 관리 방법
US10506577B2 (en) Systems and methods for adaptive transmissions in a wireless network
US11895548B2 (en) Link management for a connected user equipment
CN103369611B (zh) 随机接入处理方法、切换处理方法及装置
CN111869118B (zh) 用于执行波束测量的方法、无线设备及介质
US9445422B2 (en) Interference management for D2D system
CN104937967B (zh) 用于无线通信系统中的协作通信的方法和装置
EP3393170B1 (fr) Procédé et appareil de mesure de signaux
US20150173029A1 (en) Base station, user terminal, and processor
WO2020165708A1 (fr) Système et procédé pour l&#39;allocation de signaux de référence de positionnement dans un système de communication
JP6174715B2 (ja) ヘテロジニアスネットワークにおけるセキュリティ検出を実現する方法、装置及びシステム
CN107135055A (zh) 测量方法，csi‑rs资源共享方法和装置
CN111034295B (zh) 使用参考信号处理系统的无线电链路故障的方法和装置
WO2015018081A1 (fr) Dispositif et procédé de mesure, dispositif et procédé d&#39;interaction d&#39;informations et dispositif et procédé de résidence
CN103391632A (zh) 网络接入方法及装置
KR20140031970A (ko) 기지국들 사이에서 x2 접속을 확립하는 방법, 기지국, 및 통신 시스템
WO2013162166A1 (fr) Procédé et appareil pour reconfigurer des informations de connexion de dispositif à dispositif dans un système de communication sans fil
EP3619970A1 (fr) Système et procédé de gestion de connexion et de transfert à travers des réseaux et des ssids
WO2014023261A1 (fr) Procédé de sélection de cellule et terminal
WO2013163900A1 (fr) Procédé et terminal de communication en liaison montante
WO2017035797A1 (fr) Procédé et dispositif de mesure
WO2013139289A1 (fr) Procédé de coordination d&#39;interférence entre des points d&#39;accès dans un système de communication et dispositif de point d&#39;accès
US20170265054A1 (en) Uplink detection-based processing method, network device, and terminal
CN103384388B (zh) 确定主小区主站点方法、测量方法、信息发送方法及装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13763669

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13763669

Country of ref document: EP

Kind code of ref document: A1