Method and device for information indication

A technology for indicating and sending devices, applied in the field of information indicating, can solve the problems of indicating, no granularity, etc., and achieve the effects of improving signal quality, small changes, and improving system capacity and edge user spectral efficiency

Active Publication Date: 2010-12-29
DATANG MOBILE COMM EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no technical solution for granularity indication in the prior art

Method used

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  • Method and device for information indication
  • Method and device for information indication
  • Method and device for information indication

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Embodiment Construction

[0019] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0020] In order to achieve the purpose of the present invention, an embodiment of the present invention proposes a method for precoding granularity indication, including the following steps: the sending end and the receiving end agree on a criterion for precoding granularity indication according to the sending mode; The criterion determines a precoding granularity and sends precoded data with the precoding granularity.

[0021] Such as figure 1 As shown, it is a flowchart of a method for precoding granularity indication according to an ...

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Abstract

The embodiment of the invention provides a method for precoding granularity indication, comprising the following steps: a transmitting end and a receiving end appoint a standard of precoding granularity indication according to a transmission mode; and the transmitting end determines the size of precoding granularity according to the standard and transmits precoding data on basis of the size of precoding granularity. The embodiment of the invention also provides a transmitting device capable of realizing the precoding granularity indication. The technical scheme of the invention provided by the invention solves the problem of precoding granularity indication in an MIMO system through coordinately appointing the size of the precoding granularity by the transmitting end and the receiving end, thereby improving the quality of signals received by users, reducing cell interference and effectively improving system capacity and edge user spectrum efficiency.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular, the present invention relates to a method and device for information indication. Background technique [0002] Mobile and broadband have become the development direction of modern communication technology. 3GPP (3rd Generation Partnership Project) is committed to the evolution of LTE (Long Term Evolution, long-term evolution) system as a 3G system. The goal is to develop 3GPP wireless access technology towards Evolution for high data rate, low latency and optimized packet data applications. The multi-antenna technology of the physical layer has become one of the key technologies of the current mobile communication system. The multi-antenna technology has many advantages, such as using the multiplexing gain of multiple antennas to expand the throughput of the system, and using the diversity gain of multiple antennas to improve system performance. , using the directional ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/06H04B7/08
Inventor 徐婧缪德山陈文洪肖国军
Owner DATANG MOBILE COMM EQUIP CO LTD
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