WO2012069006A1 - Procédé et système permettant de commuter entre des configurations de sous-trame de liaison terrestre dans un système de duplexage par répartition dans le temps - Google Patents

Procédé et système permettant de commuter entre des configurations de sous-trame de liaison terrestre dans un système de duplexage par répartition dans le temps Download PDF

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Publication number
WO2012069006A1
WO2012069006A1 PCT/CN2011/082928 CN2011082928W WO2012069006A1 WO 2012069006 A1 WO2012069006 A1 WO 2012069006A1 CN 2011082928 W CN2011082928 W CN 2011082928W WO 2012069006 A1 WO2012069006 A1 WO 2012069006A1
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Prior art keywords
backhaul link
subframe configuration
link subframe
subframe
target
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PCT/CN2011/082928
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English (en)
Chinese (zh)
Inventor
杨瑾
毕峰
袁明
梁枫
吴栓栓
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中兴通讯股份有限公司
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Publication of WO2012069006A1 publication Critical patent/WO2012069006A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and system for backhaul link subframe configuration switching in a time division duplex system. Background technique
  • the link between the eNB (evolved base station in the network) and the M-UE (Macro User Equipment) is called a direct transmission link.
  • the link between the eNB and the RN is called the backhaul link, and is also called the Un interface.
  • the link between the RN and the R-UE (Relay User Equipment) is called the access link.
  • a 10 ms radio frame is composed of 10 1 ms sub-frames.
  • the TDD (Time Division Duplex) system is configured with seven different uplink and downlink subframe configurations, also known as TDD UL/DL Config, to meet different network requirements, as shown in Table 1, where "D” indicates the downlink. Frame, "U” indicates the uplink subframe, and "S” indicates the special subframe.
  • the #0, #1, #5, and #6 subframes need to carry broadcast information, synchronization signals, etc., and cannot be configured as backhaul downlink subframes, that is, Un DL subframes, so they can be used for Un.
  • the subframes include #2, #3, #4, #7, #8, #9 subframes.
  • cells for RNs are not supported for TDD UL/DL Config #0 and #5.
  • the corresponding Un UL/DL Sub-config under different TDD UL/DL Config is shown in Table 2-6, where DL:UL ratio indicates the configured Un DL/UL subframe.
  • the ratio, the "U” in the corresponding subframe position indicates that the configuration is Un UL subframe, and the flag "D" indicates that the configuration is Un DL subframe.
  • the network side uses the high-level signaling configuration to indicate the specific TDD UL/DL Config and Un UL/DL Sub-config used by the RN.
  • the network side needs to configure the Un UL/DL Sub-config in addition to the TDD UL/DL Config for the RN, and the TDD UL/DL Config configuration generally does not change, and the Un UL/DL Sub-config may reconfigure the RN by the network side according to network requirements, interference, etc., then when the Un UL/DL Sub-config used by the RN needs to be changed, there is a problem of selecting an appropriate target subframe configuration for the backhaul link. However, there is currently no corresponding solution to this problem. Summary of the invention
  • the present invention is directed to a method and system for backhaul link subframe configuration switching in a time division duplex system to solve the problem in the prior art when the Un UL/DL Sub-config used by the RN needs to be changed. , the problem of choosing the appropriate target subframe configuration for the backhaul link.
  • the present invention provides a method for switching backhaul link subframe configuration of a time division duplex system, including: the network side selects and determines a target backhaul link subframe configuration according to an influencing factor of a target backhaul link subframe configuration, and notifies the relay station;
  • the relay station switches from the original backhaul link subframe configuration currently being used to the target backhaul link subframe configuration according to the target backhaul link subframe configuration determined by the network side selection.
  • the original backhaul link subframe configuration refers to a subframe configuration used by the backhaul link before handover
  • the target backhaul link subframe configuration refers to a subframe configuration used by the backhaul link after handover.
  • backhaul link subframe configuration switching is performed between different backhaul link subframe configurations corresponding to the downlink subframe configuration on the same time division duplex system.
  • the influencing factors of the target backhaul link subframe configuration include at least one or more of the following factors:
  • the network side determines the target backhaul link subframe of the handover according to the downlink/uplink subframe ratio configured by the original backhaul link subframe and/or the downlink/uplink subframe ratio requirement of the target backhaul link subframe configuration In the configuration, if there is more than one backhaul link subframe configuration that meets the downlink/uplink subframe ratio requirement of the target backhaul link subframe configuration, the network side arbitrarily selects one of them as the target backhaul link subframe configuration. .
  • the network side determines the target backhaul link subframe of the handover according to the downlink/uplink subframe ratio configured by the original backhaul link subframe and/or the downlink/uplink subframe ratio requirement of the target backhaul link subframe configuration
  • the network side preferentially selects the uplink subframe in the original backhaul link subframe configuration.
  • the subframe configuration with the same frame number is configured as the target backhaul link subframe.
  • the network side determines the target backhaul link subframe of the handover according to the downlink/uplink subframe ratio configured by the original backhaul link subframe and/or the downlink/uplink subframe ratio requirement of the target backhaul link subframe configuration
  • the network side preferentially selects a subframe configuration with the same or a part of the downlink subframe number in the original backhaul link subframe configuration as the target backhaul link subframe. Configuration.
  • the priority is selected to be partially or completely the same as the uplink subframe number in the original backhaul link subframe configuration.
  • the backhaul link subframe configuration is configured as the target backhaul link subframe.
  • the network side selects a backhaul link subframe configuration that is part or all of the same uplink subframe number in the original backhaul link subframe configuration as the target backhaul link subframe configuration
  • the number of downlink HARQ processes is preferentially selected to satisfy the target backhaul.
  • the backhaul link subframe configuration of the downlink HARQ process number configured by the link subframe is configured as a target backhaul link subframe.
  • the priority is selected to be the same as some or all of the downlink subframe numbers in the original backhaul link subframe configuration.
  • the backhaul link subframe configuration is configured as the target backhaul link subframe.
  • the network side determines the configured target backhaul link subframe configuration according to the uplink and downlink subframe numbers configured in the original backhaul link subframe
  • the uplink and downlink subframes in the original backhaul link subframe configuration are preferentially selected.
  • the backhaul link subframe is configured as a target backhaul link subframe configuration.
  • the network side determines the target backhaul link subframe configuration of the handover according to the downlink HARQ process requirement configured by the target backhaul link subframe, if more than one backhaul link subframe configuration exists, the target backhaul link is satisfied.
  • the number of downlink HARQ processes configured by the frame is required, and the network side arbitrarily selects one of them as the target backhaul link subframe configuration.
  • the network side determines the target backhaul link subframe configuration of the handover according to the downlink HARQ process requirement configured by the target backhaul link subframe, if more than one backhaul link subframe configuration exists, the target backhaul link is satisfied.
  • the network side preferentially selects the subframe configuration that is the same as the uplink subframe number in the original backhaul link subframe configuration as the target backhaul link subframe configuration.
  • the network side determines the target backhaul link subframe configuration of the handover according to the downlink HARQ process requirement configured by the target backhaul link subframe, if more than one backhaul link subframe configuration exists, the target backhaul link is satisfied.
  • the network side preferentially selects a subframe configuration with the same or a part of the downlink subframe number in the original backhaul link subframe configuration as the target backhaul link subframe configuration.
  • the network side determines the target backhaul link subframe configuration of the handover according to the uplink HARQ process requirement configured by the target backhaul link subframe, if more than one backhaul link subframe configuration exists, the target backhaul link is satisfied. If the number of uplink HARQ processes configured by the frame is required, the network side arbitrarily selects one of them as the target backhaul link subframe configuration.
  • the network side determines the target backhaul link subframe configuration of the handover according to the uplink HARQ process requirement configured by the target backhaul link subframe, if more than one backhaul link subframe configuration exists, the target backhaul link is satisfied. If the number of uplink HARQ processes configured by the frame is required, the network side preferentially selects a subframe configuration that is identical or partially identical to the uplink subframe number in the original backhaul subframe configuration as the target backhaul link subframe configuration.
  • the network side determines the target backhaul link subframe configuration of the handover according to the uplink HARQ process requirement configured by the target backhaul link subframe, if more than one backhaul link subframe configuration exists, the target backhaul link is satisfied. If the number of uplink HARQ processes configured by the frame is required, the network side preferentially selects a subframe configuration that is identical or partially identical to the downlink subframe number in the original backhaul link subframe configuration as the target backhaul link subframe configuration.
  • the network side includes one or more of the following entities:
  • Base station eNB Base station eNB, relay station, cell cooperative entity MCE, gateway GW, mobility management entity MME, evolved universal terrestrial radio access network EUTRAN, operation management and maintenance OAM manager.
  • the present invention provides a system for switching backhaul link subframe configuration in a time division duplex system, including: a network side, configured to determine a target backhaul link subframe configuration according to an influencing factor of the target backhaul link subframe configuration, and notify the relay station;
  • a relay station configured to switch from the original backhaul link subframe configuration currently being used to the target backhaul link subframe configuration according to the target backhaul link subframe configuration determined by the network side selection.
  • the influencing factors of the target backhaul link subframe configuration include at least one or more of the following factors:
  • the number of HARQ processes The number of HARQ processes, the number of uplink HARQ processes configured in the target backhaul link subframe, the number of downlink HARQ processes configured in the original backhaul link subframe, and the number of downlink HARQ processes configured in the target backhaul link subframe.
  • the network side includes one or more of the following entities:
  • Base station eNB Base station eNB, relay station, cell cooperative entity MCE, gateway GW, mobility management entity MME, evolved universal terrestrial radio access network EUTRAN, operation management and maintenance OAM manager.
  • the present invention not only introduces the signaling overhead, but also ensures the backward compatibility, and also solves the problem of selecting the appropriate target for the backhaul link subframe configuration selection. Frame configuration issue.
  • FIG. 1 is a schematic structural view of a TDD system in the prior art
  • FIG. 2 is a schematic structural diagram of a radio frame in the prior art
  • FIG. 3 is a schematic flowchart of a method according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a system according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT OF THE INVENTION
  • FIG. 4 is a schematic structural diagram of a system according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT OF THE INVENTION
  • FIG. 4 is a schematic structural diagram of a system according to an embodiment of the present invention.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT OF THE INVENTION The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings in which: FIG.
  • FIG. For the sake of clarity and simplicity, detailed descriptions of known functions and structures in the devices described herein will be omitted when they may obscure the subject matter of the present invention.
  • the eNB is used as the configuration control entity on the network side as an example.
  • the uplink and downlink subframe configuration of the backhaul link is indicated by the eNB, and the Un UL/DL Sub-config configured for use is shown in Table 2-6.
  • Un UL/DL Sub-config can be divided into different lists and sorted by different TDD UL/DL Config, as shown in Table 2-6, or Un UL/ corresponding to all TDD UL/DL Config.
  • the DL Sub-config is arranged and numbered in a list, as shown in Table 7.
  • the first mode is taken as an example, that is, Different TDD UL/DL Config are divided into different lists and corresponding serial numbers to illustrate.
  • FIG. 3 is a schematic flowchart of a method according to an embodiment of the present invention, which may specifically include the following steps:
  • Step 301 The eNB selects and determines a target backhaul link subframe configuration according to an influencing factor of the target backhaul link subframe configuration.
  • the eNB determines that the backhaul link subframe configuration of the RN needs to be switched according to the network load, the interference coordination, and the like, that is, the current original backhaul link subframe configuration is switched to the target backhaul link subframe configuration; where, the backhaul link subframe is configured.
  • Configuration switching refers to switching between different backhaul link subframe configurations in the same TDD subframe configuration.
  • the original backhaul link subframe configuration refers to the subframe configuration used by the backhaul link before handover, and the target backhaul link subframe configuration refers to the handover.
  • the subframe configuration used by the backhaul link; the influencing factors of the target backhaul link subframe configuration may include one or more of the following factors:
  • the downlink/uplink subframe ratio of the original backhaul link subframe configuration (that is, the ratio of the number of downlink subframes to the uplink subframes), the downlink/uplink subframe ratio requirement of the target backhaul link subframe configuration, and the original backhaul link subframe.
  • Step 302 The network side sends a configuration indication to the RN through the high layer signaling, and notifies the RN of the target backhaul link subframe configuration determined by the RN;
  • Step 303 The RN switches from the original backhaul link subframe configuration currently being used to the target backhaul link subframe configuration according to the target backhaul link subframe configuration determined by the eNB.
  • Example 1 The eNB determines the target backhaul link subframe configuration of the handover according to the downlink/uplink subframe ratio requirement configured by the target backhaul link subframe.
  • the original backhaul link subframe currently used by the RN on the backhaul link is configured as Un UL/DL Sub-config #0, and the Un DL UL subframe ratio is 1:1.
  • the eNB needs to switch the backhaul link subframe configuration to achieve an Un DL/UL subframe ratio of 2:1.
  • the backlink link subframe configuration with the Un DL/UL subframe ratio of 2:1 includes Un UL/DL Sub-config #2, #3.
  • the eNB arbitrarily selects one of the configurations, such as Un UL/DL Sub-config #3, indicating the RN as the target backlink subframe configuration of the backhaul link subframe configuration handover.
  • Un UL/DL Sub-config #2, #3 which have a downlink/uplink subframe ratio that also satisfies the target backhaul link subframe configuration of 2:1
  • the eNB may further base the original backhaul link.
  • the uplink subframe is #8, and Un UL/DL Sub-config #2 and Un UL/DL Sub-config #0 also use subframe #8 as Un UL subframe. Therefore, the eNB selects Un UL/DL Sub-config #2 as the target backhaul link subframe configuration, which is advantageous for maintaining the continuity of the Un UL HARQ process and configuring the RN through the high layer signaling configuration.
  • TDD UL/DL Config #2 Take TDD UL/DL Config #2 as an example, the original backhaul link that the RN is currently using on the backhaul link.
  • the subframe configuration is Un UL/DL Sub-config #5, and the Un DL UL subframe ratio is 3:1.
  • the eNB needs to switch the backhaul link subframe configuration according to the network load requirement, and the Un DL/UL subframe ratio is 2:1.
  • the backlink link subframe configuration in which the Un DL/UL subframe ratio of TDD UL/DL Config #2 is 2:1 includes Un UL/DL Sub-config #2, #3.
  • the eNB may further configure the downlink subframe numbers of Un UL/DL Sub-config #5 according to the original backhaul link subframe to be #3, #8, #9, and Un UL/DL Sub.
  • -config #3 and Un UL/DL Sub-config #5 also use subframe #3, #9 is an Un DL subframe, so the eNB selects Un UL/DL Sub-config #3 as the target backhaul link subframe configuration,
  • the target backhaul link subframe configuration is the same as the partial Un DL subframe in the original backhaul link subframe configuration, and the RN is indicated by the high layer signaling configuration.
  • Example 2 The eNB determines the target configuration of the handover backhaul link subframe according to the uplink subframe number configured in the original backhaul link subframe.
  • TDD UL/DL Config #2 the original backhaul link subframe currently used by the RN on the backhaul link is Un UL/DL Sub-config #4, Un UL subframe is subframe #2, Un DL sub The frames are subframes #3, #4, #8.
  • the eNB needs to switch the backhaul link subframe configuration to reduce the number of Un DL subframes.
  • the configuration of the Un DL subframes with less than 3 subframes in TDD UL/DL Config #2 includes Un UL/DL Sub-config #0, #1, #2, #3.
  • the eNB can configure the uplink subframe number of Un UL/DL Sub-config #4 according to the original backhaul link subframe to be #2, and Un UL/DL Sub-config #0, #2 and Un UL/DL Sub-config # 4 Subframe #2 is also used as the Un UL subframe. Therefore, the eNB arbitrarily selects one of the Un UL/DL Sub-config #0 and #2 as the target backhaul link subframe configuration, and indicates the RN through the high layer signaling configuration.
  • Un UL/DL Sub-config #0 and #2 Un UL/DL Sub-config #0 satisfies the number of DL HARQ processes as 1, and the eNB selects Un UL/DL Sub-config #0 as the target backhaul link.
  • Example 3 The eNB determines the target of the handover according to the downlink subframe number configured in the original backhaul link subframe. Backhaul link subframe configuration.
  • TDD UL/DL Config #2 the original backhaul link subframe currently used by the RN on the backhaul link is configured as Un UL/DL Sub-config #5, Un UL subframe is subframe #7, Un DL sub The frames are subframes #3, #8, #9.
  • the eNB needs to switch the backhaul link subframe configuration according to the network interference situation, and avoid using subframe #7 as the Un UL subframe. Then TDD UL/DL Config #2 does not use subframe #7.
  • the configuration of Un UL subframe includes Un UL/DL Sub-config #0, #2, #4.
  • the eNB can configure the downlink subframe number of Un UL/DL Sub-config #5 according to the original backhaul link subframe to be #3, #8, #9, and Un UL/DL Sub-config #2, #4 uses the sub-sub Frame #4 is an Un DL subframe, unlike Un UL/DL Sub-config #5, only Un UL/DL Sub-config #0 uses subframe #8 as Un DL subframe, and Un UL/DL Sub-config #5 is the same. Therefore, the eNB selects Un UL/DL Sub-config #0 as the target backhaul link subframe configuration, and indicates the RN through the high layer signaling configuration.
  • Example 4 The eNB determines the target backhaul link subframe configuration of the handover according to the uplink and downlink subframe numbers configured in the original backhaul link subframe.
  • TDD UL/DL Config #4 the original backhaul link subframe currently used by the RN on the backhaul link is configured as Un UL/DL Sub-config #2.
  • the eNB needs to switch the backhaul link subframe configuration according to the network load and the interference condition, so that the target backhaul link subframe configuration includes all the subframes in the original backhaul link subframe configuration.
  • the backhaul link subframe configuration of TDD UL/DL Config #4 Un UL/DL Sub-config #3 , #4 meets this requirement, and the eNB arbitrarily selects one of the configurations, such as Un UL/DL Sub-config #4, Indicates the target backhaul link subframe configuration of the RN as a backhaul link subframe configuration switch.
  • Example 5 The eNB determines the target backhaul link subframe configuration of the handover according to the number of downlink HARQ processes configured in the target backhaul link subframe.
  • TDD UL/DL Config #2 the original backhaul link subframe currently used by the RN on the backhaul link is configured as Un UL/DL Sub-config #3.
  • the eNB needs to switch the backhaul link subframe configuration according to the network load requirement, and the number of Un downlink HARQ processes is 3.
  • TDD UL/DL Config The backhaul link subframe configuration in #2 that satisfies the Un downlink HARQ process number is 3, including Un UL/DL Sub-config #4, #5.
  • the eNB arbitrarily selects one of the configurations, such as Un UL/DL Sub-config #4, indicating the RN as the target backhaul link subframe configuration for the backhaul link subframe configuration handover.
  • Un UL/DL Sub-config #4, #5 may further configure Un UL/DL Sub-config #3 according to the original backhaul link subframe.
  • the intermediate uplink subframe number is #7
  • Un UL/DL Sub-config #5 and Un UL/DL Sub-config #3 also use subframe #7 as Un UL subframe, which is advantageous for maintaining the continuity of the Un UL HARQ process. Therefore, the eNB selects Un UL/DL Sub-config #5 as the target backhaul link subframe configuration, and indicates the RN through the high layer signaling configuration.
  • the eNB may configure Un UL/DL Sub-config according to the original backhaul link subframe.
  • Example 6 The eNB determines the target backhaul link subframe configuration of the handover according to the number of uplink HARQ processes configured in the target backhaul link subframe.
  • TDD UL/DL Config #1 the original backhaul link subframe currently used by the RN on the backhaul link is configured as Un UL/DL Sub-config #4.
  • the eNB needs to switch the configuration of the backhaul link subframe according to the network load requirement, and the number of Unup HARQ processes is 1.
  • the configuration of the backhaul link subframe that satisfies the Un-uplink HARQ process number in TDD UL/DL Config #1 includes Un UL/DL Sub-config #0, #1, #2, #3.
  • the eNB arbitrarily selects one of the configurations, such as Un UL/DL Sub-config #2, indicating that the RN is configured as the target backhaul link subframe configuration for the backhaul link subframe configuration handover.
  • the eNB may further configure Un UL/DL Sub-config #4 according to the original backhaul link subframe.
  • the intermediate uplink subframe numbers are #3 and #8, and the network side needs to switch after using subframe #3 as Un UL subframe, Un UL/DL Sub-config #1 and #3 and Un UL/DL Sub-config # 3
  • subframe #3 is an Un UL subframe, so the eNB arbitrarily selects one of the Un UL/DL Sub-config #1 and #3 as the target backhaul link subframe configuration, and indicates the RN through the high layer signaling configuration.
  • the eNB may further configure the downlink subframe number of Un UL/DL Sub-config #4 according to the original backhaul link subframe.
  • Un UL/DL Sub-config #1, #2, #3 is the same as Un UL/DL Sub-config #3
  • Subframe #9 is used as the Un UL subframe, so the eNB arbitrarily selects one of the Un UL/DL Sub-config #1, #2, #3 as the target backhaul link subframe configuration, and configures the mouse through the high layer signaling configuration.
  • FIG. 4 is a schematic structural diagram of a system according to an embodiment of the present invention, which may specifically include:
  • the network side is mainly responsible for determining the target backlink subframe configuration according to the influencing factors of the target backhaul link subframe configuration, and notifying the relay station;
  • the influencing factors of the target backhaul subframe configuration include one or more of the following options:
  • the number of HARQ processes The number of HARQ processes, the number of uplink HARQ processes configured in the target backhaul link subframe, the number of downlink HARQ processes configured in the original backhaul link subframe, and the number of downlink HARQ processes configured in the target backhaul link subframe.
  • the relay station is mainly responsible for configuring the target backhaul link subframe according to the network side,
  • the original backhaul link subframe configuration currently in use is switched to the target backhaul link subframe configuration. It should be noted that, as described in the foregoing method, how to determine an appropriate target backhaul link subframe configuration according to the influencing factors of the target backhaul link subframe configuration is described in detail, and thus is not described herein again.
  • the network side may include an eNB, an RN, an MCE (Cell Cooperative Entity), a GW (Gateway, Gateway), and an MME (Mobile Management Entity, Mobility Management). Entity), one or more of EUTRAN (Evolved Universal Terrestrial Radio Access Network), OAM (Operation Administration Maintenance) Manager. That is to say, in the actual application, the selection process may be completed by one of the above entities, but the selection process may be completed by the above several entities according to actual conditions.
  • EUTRAN Evolved Universal Terrestrial Radio Access Network
  • OAM Operaation Administration Maintenance
  • the embodiments of the present invention provide a method and a system for switching backhaul link subframe configuration selection in a time division duplex system, which are used in the process of changing the backhaul link subframe configuration of the network side.
  • both backward compatibility (compatible with LTE system) and the problem of switching the appropriate target subframe configuration for backhaul subframe configuration selection are also solved.

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Abstract

L'invention concerne un procédé et un système permettant de commuter entre des configurations de sous-trame d'une liaison terrestre dans un système de duplexage par répartition dans le temps. Le procédé comprend les étapes suivantes : sélectionner et déterminer par le côté réseau une configuration de sous-trame cible d'une liaison terrestre selon des facteurs influençant la configuration de sous-trame cible de la liaison terrestre, et la notifier à un nœud relais (RN) ; commuter par le nœud relais depuis la configuration de sous-trame initiale couramment utilisée de la liaison terrestre vers la configuration de sous-trame cible de la liaison terrestre selon la configuration de sous-trame cible de la liaison terrestre sélectionnée et déterminée par le côté réseau. Grâce à la présente invention, le problème de sélection et de commutation vers une configuration de sous-trame cible appropriée pour la configuration de sous-trame de la liaison terrestre est résolu.
PCT/CN2011/082928 2010-11-26 2011-11-25 Procédé et système permettant de commuter entre des configurations de sous-trame de liaison terrestre dans un système de duplexage par répartition dans le temps WO2012069006A1 (fr)

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CN201010560708.4A CN102075235B (zh) 2010-11-26 2010-11-26 时分双工系统中回程链路子帧配置切换的方法及系统
CN201010560708.4 2010-11-26

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CN102075235B (zh) * 2010-11-26 2014-07-16 中兴通讯股份有限公司 时分双工系统中回程链路子帧配置切换的方法及系统
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