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System and method for wireless communications with adaptive codebooks

A codebook and communication channel technology, applied in the field of wireless communication, to achieve the effect of reducing the amount of information, reducing feedback overhead, and reducing feedback overhead

Active Publication Date: 2012-07-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] Preferred embodiments of the present invention substantially solve or avoid these and other problems, and generally achieve technical advantages. Preferred embodiments of the present invention provide systems and methods for wireless communication using adaptive codebooks

Method used

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  • System and method for wireless communications with adaptive codebooks
  • System and method for wireless communications with adaptive codebooks
  • System and method for wireless communications with adaptive codebooks

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Embodiment Construction

[0046] The making and using of the presently preferred embodiments are discussed in detail below. It should be appreciated, however, that the present invention provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific embodiments discussed are merely illustrative of specific ways to make and use the invention, and do not limit the scope of the invention.

[0047] The present invention will be described in terms of preferred embodiments in a specific context, ie, a 3GPP LTE compliant communication system supporting codebook quantization of channel information. However, the present invention is also applicable to other communication systems that support codebook quantization of channel information, such as WiMAX and the like.

[0048] figure 2 A wireless communication system 200 is illustrated that utilizes a baseline codebook for communicating channel information feedback. The wireless communication system 200 inclu...

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Abstract

A system and method for wireless communications with adaptive codebooks are provided. A method for communications node operations includes estimating a communications channel between the communications node and a controller serving the communications node, quantizing the estimated communications channel based on an adapted codebook, estimating statistics of the communications channel, transmitting a first indicator of the quantized estimated communications channel, adjusting the adapted codebook based on the estimated statistics, and receiving a transmission from the controller. The transmission is precoded based on the first indicator of the quantized estimated communications channel.

Description

[0001] This application claims priority to the following U.S. Provisional Application: U.S. No. 61 / 257,292 entitled "Improvements to Rel. 8 Feedback", filed Nov. 2, 2009 Provisional Application; U.S. Provisional Application No. 61 / 293,969, filed Jan. 11, 2010, titled "System and Method for Wireless Communications with Adaptive Codebooks" ; U.S. Provisional Application No. 61 / 331,584, entitled "Codebook Design for Statistical Channel Information and PUCCH Signalings," filed May 5, 2010; and U.S. Non-Provisional Application No. 12 / 914,794, filed Oct. 28, 2010, entitled "System and Method for Wireless Communications with Adaptive Codebooks", above in The content of the earlier application is incorporated by reference into this text. technical field [0002] The present invention relates generally to wireless communications, and more particularly to systems and methods for wireless communications using adaptive codebooks. Background technique [0003] In a wireless communicati...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/04
CPCH04B7/0632H04B7/0639H04L1/0009H04L1/0019H04B7/065H04L1/0026
Inventor 夏鹏飞唐扬陈林红容志刚
Owner HUAWEI TECH CO LTD
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