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Coordinated transmission method and system of srs and pusch

A technology for coordinating transmission and cooperating cells, applied in the field of communication, can solve problems such as SRS and PUSCH interference, achieve the effects of improving performance, avoiding mutual interference, and improving transmission accuracy

Inactive Publication Date: 2017-10-27
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] Aiming at the problem that SRS and PUSCH interfere with each other during uplink coordinated multi-point transmission in the related art, the present invention provides a method and device for coordinated transmission of SRS and PUSCH to solve at least one of the above problems

Method used

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  • Coordinated transmission method and system of srs and pusch
  • Coordinated transmission method and system of srs and pusch
  • Coordinated transmission method and system of srs and pusch

Examples

Experimental program
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Effect test

Embodiment 1

[0085] Such as figure 1 As shown, there are the following scenarios: a certain subframe, U 11 Send SRS, C 2 C 3 ...C N There is a UE sending PUSCH; at this time, C 2 C 3 ...C N The PUSCH sent by the medium UE (Comp or non-Comp UE) may affect the U 11 the measurement accuracy of the transmitted SRS; and U 11 SRS sent may also affect the C 2 C 3 ...C N The demodulation accuracy of PUSCH in the middle.

[0086] In order to solve the problem of mutual interference between SRS and PUSCH in the above scenario, the SRS and PUSCH coordinated transmission method proposed according to the present invention mainly includes the following processing:

[0087] Step 1: The serving cell and each coordinated cell exchange SRS and PUSCH resource configuration information;

[0088] (1) The information sent by the serving cell to each coordinated cell may include but not limited to at least one of the following:

[0089] (a) Frequency domain resources used for SRS transmission

[00...

Embodiment 2

[0142] Such as figure 1 As shown, there are also the following scenarios: a certain subframe, U 11 Send PUSCH, C 2 C 3 ...C N There are UEs (Comp or non-Comp UEs) that send SRS. At this time, U 11 The sent PUSCH may affect the C 2 C 3 ...C N The measurement accuracy of the SRS sent by the UE in the middle; and C 2 C 3 ...C N The SRS sent by the UE may also affect the U 11 The demodulation accuracy of the sent PUSCH.

[0143] In order to solve the problem of mutual interference between SRS and PUSCH in the above scenario, the SRS and PUSCH coordinated transmission method proposed according to the present invention mainly includes the following processing:

[0144] Step 1: The serving cell and each coordinated cell exchange SRS and PUSCH resource configuration information.

[0145] (1) The information sent by the serving cell to each coordinated cell is: frequency domain resource information that may be used by the Comp UE PUSCH.

[0146] Similar to Embodiment 1, t...

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Abstract

The invention provides a coordinated transmission method and system of SRS and PUSCH. In the above method, the serving cell exchanges SRS and PUSCH resource configuration information with each coordinated cell in the coordinated set; the serving cell and each coordinated cell respectively coordinate and configure SRS resources or PUSCH resources for UEs in the cell according to the exchanged resource configuration information, wherein , the overlap between the resources configured for the UE in the serving cell and the resources configured for the UE in each coordinated cell is minimal; the serving cell and each coordinated cell will respectively send the configuration information of the resources configured for the UE in this cell to the UE in this cell , so that the UE performs SRS or PUSCH transmission according to the received configuration information. According to the technical solution provided by the present invention, mutual interference between SRS and PUSCH of different cells in a CoMP cooperating set is avoided.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a coordinated transmission method and system of SRS and PUSCH. Background technique [0002] A coordinated multi-point (Coordinated Multi-Point, CoMP for short) technology can be used to expand the coverage of a cell with a high data rate and improve the throughput of a cell edge user, thereby increasing the system throughput. The Long-Term Evolution Advance (LTE-Advance for short) system adopts this technology to improve the overall performance of the system. [0003] The basic idea of ​​CoMP is that multiple transmission points in different geographic locations cooperate to serve one or more users. [0004] CoMP can be divided into two types: intra-site CoMP and inter-site CoMP: intra-site CoMP cooperation occurs in a site (site, eNode B, for example), and multiple cells (Cells) controlled by an eNode B are an edge user service, each transmission point (Point) only has the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/08H04W72/12H04W72/54
Inventor 莫林梅赵亚军毕存磊
Owner ZTE CORP
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