User device, base station and information feedback method

A technology of information feedback and user equipment, applied in the field of communication, can solve the problems of reducing communication system efficiency and large feedback load

Active Publication Date: 2014-11-05
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] However, since the UE needs to feed back to the network side all relevant information about channels or channel interference of multiple access points, multiple carriers, or multiple subcarrier frequency bands, the feedback load is very heavy, which seriously reduces the efficiency of the communication system

Method used

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  • User device, base station and information feedback method
  • User device, base station and information feedback method
  • User device, base station and information feedback method

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Embodiment Construction

[0114] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0115] figure 1 It is a schematic flowchart of the information feedback method provided by Embodiment 1 of the present invention. Such as figure 1 As shown, this embodiment may include the following steps:

[0116] Step 101, determine the feedback period of the elements in the covariance matrix according to the determination strategy;

[0117] Step 102: Feed back elements in the covariance matrix to the network side according to the feedback cycle.

[0118] The...

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Abstract

A user device, base station and information feedback method is disclosed in the embodiments of the present invention. The method comprises the steps of: determining a feedback period of an element in a covariance matrix based on a determining strategy; feeding back the element in the covariance matrix to a network side according to the feedback period. In the embodiments of the present invention, the element in the covariance matrix is fed back to the network side according to the feedback period determined by the determining strategy. The feedback period of the element in the covariance matrix is augmented, the feedback load is reduced, and the efficiency of the wireless communication system is improved, with ensuring that the feedback element is valid.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to user equipment, a base station and an information feedback method. Background technique [0002] In order to obtain an accurate and effective downlink scheduling gain in an existing communication system, a user equipment (User Equipment, hereinafter referred to as UE) needs to feed back some relevant information about an access point, a carrier or a channel to the network side. The network side schedules and allocates resources according to the above-mentioned feedback information, so as to better ensure the quality and efficiency of the communication system. [0003] In order to increase the data transmission rate and obtain greater throughput, multi-carrier technology is introduced in the communication system. In a multi-carrier communication system, the resource allocation and scheduling on the network side still needs to be based on the above information, so the UE ne...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W88/00
CPCH04W72/08H04W72/54
Inventor 闫志宇李强夏亮任晓涛
Owner HUAWEI TECH CO LTD
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