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Mapping treatment method based on multipoint synergic transmission

A technology of mapping processing and multi-point cooperation, which is applied in the field of communication, can solve problems such as no solutions are given, and achieve the effect of increasing system gain

Active Publication Date: 2015-07-22
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, in the existing technical solutions, there is no specific solution for the pilot structure adopted by the COMP technology and the relationship between the pilots of each cooperative cell.

Method used

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  • Mapping treatment method based on multipoint synergic transmission
  • Mapping treatment method based on multipoint synergic transmission
  • Mapping treatment method based on multipoint synergic transmission

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0062] Figure 4a Describes the COMP pilot patterns of three coordinated cell groups based on the normal cyclic prefix frame structure according to the embodiment of the present invention. For clarity of description, the three coordinated cell groups are referred to as coordinated cell group 1, coordinated cell group 2 and Cooperative cell group 3, wherein the coordinated cell group 1 may include one or more coordinated cells, the coordinated cell group 2 may include one or more coordinated cells, and the coordinated cell group 2 may include one or more coordinated cells.

[0063] Such as Figure 4a As shown, according to the pilot mapping method of antenna port 4, the COMP pilot R of coordinated cell group 1 is 4 1 , the COMP pilot R of the coordinated cell group 2 4 2 and the COMP pilot R of the coordinated cell group 3 4 3 Set at the corresponding position of the pilot pattern on the antenna port 4, the COMP pilots of the three coordinated cell groups are arranged in ...

example 2

[0069] Figure 5a Describes the COMP pilot patterns of three coordinated cell groups based on the normal cyclic prefix frame structure according to the embodiment of the present invention. For clarity of description, the three coordinated cell groups are referred to as coordinated cell group 1, coordinated cell group 2 and Cooperative cell group 3, wherein the coordinated cell group 1 may include one or more coordinated cells, the coordinated cell group 2 may include one or more coordinated cells, and the coordinated cell group 2 may include one or more coordinated cells.

[0070] Such as Figure 5a As shown, according to the pilot mapping method of antenna port 4, the COMP pilot R of coordinated cell group 1 is 4 1 , the COMP pilot R of the coordinated cell group 2 4 2 and the COMP pilot R of the coordinated cell group 3 4 3 Set at the corresponding position of the pilot pattern on the antenna port 4, the COMP pilots of the three coordinated cell groups are arranged in ...

Embodiment 2

[0077] According to an embodiment of the present invention, a mapping processing method based on COMP is provided

[0078] The mapping processing method based on COMP according to the embodiment of the present invention includes: according to the pilot mapping mode of the antenna port 4, configuring COMP pilots on the resource elements of the physical resource block for the N coordinated cells serving the same terminal, wherein each Each coordinated cell maps the COMP pilot according to the mapping position of the antenna port 4, that is, for each cell, the pilot density and position of the COMP pilot are the same as the pilot density and position specified by the antenna port 4; and The subcarriers that do not carry the COMP pilot are configured to carry data. Preferably, the subcarriers corresponding to the first OFDM symbol and the second OFDM symbol of the physical resource block can be used to carry the middle of the plurality of coordinated cell groups. A control channel...

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PUM

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Abstract

The invention discloses a mapping treatment method based on multipoint synergic transmission, comprising the following step of: respectively configuring a COMP (Compensator) pilot frequency on each synergic cell in one or more sets of synergic cells on the resource element of a physical resource block according to the pilot frequency mapping mode of an antenna port 4, wherein each set of synergic cells comprises one ore more synergic cells. By means of the technical scheme of the invention, the pilot frequency structure of a COMP is set according to the pilot frequency mapping mode of the antenna port 4, and a plurality of synergic cells for servicing the same terminal are mapped according to the pilot frequency structure so that the COMP can adopt a plurality of antenna technologies of diversion, multiplexing and the like, thereby increasing the gains of systems.

Description

technical field [0001] The invention relates to the communication field, in particular to a mapping processing method based on coordinated multi-point transmission. Background technique [0002] In the new generation wireless communication system, network-level Coordinate Multipoint Transmission and Reception (COMP for short) is used to improve the throughput of cell edge users and perform interference coordination between cells, for example, advanced long-term An evolution system (Long-Term Evolution advance, referred to as LTE-Advance), an advanced international wireless communication system (International Mobile Telecommunications advance, referred to as IMT-Advance), etc. [0003] The COMP technology is divided into downlink coordinated multi-point transmission and uplink coordinated multi-point transmission. The working principle of the downlink coordinated multi-point transmission is as follows: multiple cooperative cells cooperate on the same radio resource to form a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L27/26
Inventor 姜静孙云锋朱常青
Owner ZTE CORP