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Method of sending point selection based on coordinated multi-point

A multi-point coordination and sending point technology, applied in space transmit diversity, diversity/multi-antenna systems, electrical components, etc., can solve problems such as heavy burdens, and achieve the effects of low complexity, reduced bit length, and less feedback

Active Publication Date: 2016-03-02
白盒子(上海)微电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But for a large set of sender measurements, sender selection and reporting of election results are heavy burdens

Method used

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  • Method of sending point selection based on coordinated multi-point
  • Method of sending point selection based on coordinated multi-point
  • Method of sending point selection based on coordinated multi-point

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Embodiment Construction

[0044] Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications fall within the scope defined by the appended claims of the present application.

[0045] The implementation of the present invention includes the following steps: sending point pre-grouping, sending point group selection, sending point group report and sending point grouping table update. figure 1 It is a method flowchart of an embodiment of the present invention; the specific implementation is:

[0046] S101: sending point pre-grouping

[0047] The system groups all sending points in advance, sets up a number for each group, and establishes a grouping table, and makes all bas...

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Abstract

The invention relates to the technical field of wireless communication, and discloses a sending point selecting method based on multi-point cooperation. The method includes: grouping sending points in advance; selecting one group of the sending points; reporting labels of the groups of the sending points; updating sending point group tables, and updating sending point group tables created in a pre-grouping stage according to network operation situations, wherein each group represents a potential multi-point cooperation combination. The method has the advantages that grouped number is less than number of sending point combinations, and complexity of the sending point selecting process can be lowered; length of the group labels is smaller than the sum of lengths of sending point labels in a cooperation sending point set, and bit length of reported information can be decreased; compared with a traditional sending point selecting method, the method has lower complexity and needs smaller feedback quantity.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method for selecting and reporting a sending point in coordinated multi-point communication. Background technique [0002] Coordinated multi-point transmission technology means that multiple antennas in a distributed antenna system transmit signals in a cooperative manner. Coordinated multipoint transmission technology has been proved to be a transmission method with very high spectral efficiency, and has attracted extensive attention in recent years. The downlink coordinated multi-point transmission technology has been introduced in the technical specification of 3GPP LTE-Advanced, which improves the total channel capacity and the data rate of cell edge users through the cooperation of multiple distributed transmission points. These transmission points can be base stations or remote Radio Heads (RRHs). The downlink CoMP transmission of a multi-cell system mainly include...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/12H04B7/06H04W24/10
Inventor 吴炳洋肖仁良李民陈明
Owner 白盒子(上海)微电子科技有限公司
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