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Method and system for configuring multipoint coordinate transmission

A technology of multi-point cooperation and configuration method, applied in the direction of transmission system, transmission monitoring, electrical components, etc., can solve the problem that the relevant parameter configuration method is not solved, and achieve the effect of accurate determination

Inactive Publication Date: 2012-05-30
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] Although the basic concept of CoMP technology is defined in LTE R10, the relationship between multiple sets, the corresponding CoMP processing flow defined for the above sets, and the configuration method of related parameters have not been resolved.

Method used

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  • Method and system for configuring multipoint coordinate transmission
  • Method and system for configuring multipoint coordinate transmission
  • Method and system for configuring multipoint coordinate transmission

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Experimental program
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Embodiment 1

[0070] In this preferred embodiment, a configuration method for CoMP transmission is given. Based on the configuration method of the present invention, CoMP transmission is mainly divided into three parts: (1) Configuration of CoMP parameters, wherein The configuration of coordinated multi-point parameters includes two aspects: parameter configuration for determining the CoMP measurement set and parameter configuration for determining the transmission set. (2) The UE performs channel information feedback: corresponding to (1), the feedback corresponds to two aspects: performing measurement according to the configuration parameters used to determine the CoMP measurement set in (1), and performing feedback (the first type Feedback) and perform measurement and feedback according to the configuration parameters used to determine the transmission set (the second type of feedback). (3) The operations performed by the network side according to the feedback include: determining the Co...

Embodiment 2

[0135] In Embodiment 1, both the candidate cell list and the CoMP measurement set are configured by the network side to the UE through RRC signaling. In this embodiment, the network side only configures the candidate cell list through RRC signaling. The configuration method of the candidate cell list is the same as that in Embodiment 1. The determination of the CoMP measurement set is determined by the terminal itself, and the network side configures the threshold configuration information of the channel information feedback in the cqi-ReportConfig of the physical layer dedicated configuration IE item, as shown below.

[0136] CQI-ReportConfig::=SEQUENCE{

[0137] cqi-ReportModeAperiodic ENUMERATED{

[0138] rm12, rm20, rm22, rm30, rm31,

[0139] spare3, spare2, spare1} OPTIONAL, --Need OR

[0140] nomPDSCH-RS-EPRE-Offset INTEGER(-1..6),

[0141] cqi-ReportPeriodic CQI...

Embodiment 3

[0150] image 3 It is a schematic structural diagram of a preferred configuration system for coordinated multi-point transmission according to an embodiment of the present invention, which includes: a network side device 302 and a user equipment UE 304 communicating with each other, wherein the network side device 302 is used to configure multiple The CoMP measurement configuration information is sent to the user equipment UE 304; the UE 304 is configured to measure a channel according to the measurement configuration information, and send the measurement result to the network side device 302.

[0151] In this preferred embodiment, the UE performs channel measurement reporting through the received CoMP measurement configuration information, so that the network side device can determine the CoMP measurement set or transmission set / cooperation set according to the measurement results, thereby solving the problem that cannot be solved in the prior art The problem of the above set...

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Abstract

The invention discloses a method and a system for configuring multipoint coordinate transmission. The method comprises the following steps that: a network-side device transmits measurement configuration information to user equipment (UE) through a wireless resource control internet explorer (IE) item of a radio resource control (RRC0 signaling and / or through a downlink control channel; and the UE measures the channel according to the measurement configuration information and transmits a measurement result to the network-side device. Due to the adoption of the method and the system, the problem in the prior art that the channel measurement cannot be reported can be solved, so the coordinate multipoint (CoMP) measurement set or a transmission set can be accurately determined, so an effect on effectively performing coordinate multipoint transmission can be realized.

Description

technical field [0001] The present invention relates to the field of coordinated multi-point transmission, in particular to a configuration method and system for coordinated multi-point transmission. Background technique [0002] With the introduction of LTE-A requirements, people pay more and more attention to the average spectral efficiency of the cell and the spectral efficiency of the cell edge. In comparison, the spectral efficiency of the cell edge has attracted the most attention, mainly because the upper and lower levels of the LTE-A system All lines are frequency division systems that use OFDM (or some variation of OFDM) as the basic multiple access multiplexing method. Unlike traditional wireless communication systems that use CDMA as the basic multiple access multiplexing method, the LTE-A system does not deal with Gain, because the frequency division is completely orthogonal inside the cell, there is almost no interference problem, but the interference at the edg...

Claims

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Application Information

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IPC IPC(8): H04W24/10H04W72/12
CPCH04W36/0088H04B17/0042H04B17/309
Inventor 孙云锋郭森宝陈艺戬张晨晨李儒岳
Owner ZTE CORP
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