Scheduling algorithms for cooperative beamforming

A beam direction and group user technology, applied in diversity/multi-antenna systems, location diversity, space transmit diversity, etc., can solve problems such as inability to constantly promote accurate coordination of scheduling and transmission decisions

Inactive Publication Date: 2012-02-15
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Computing projected utility based on inter-cell information exchange on the backhaul does not always lead to accurate coordination of scheduling and transmission decisions

Method used

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  • Scheduling algorithms for cooperative beamforming
  • Scheduling algorithms for cooperative beamforming
  • Scheduling algorithms for cooperative beamforming

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Embodiment Construction

[0031] Various aspects of the invention are described more fully hereinafter with reference to the accompanying drawings. This invention may, however, be embodied in many different forms, and should not be construed as limited to any specific structure or function presented throughout the present invention. Rather, these aspects are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Based on the content of the application, those skilled in the art should understand that the protection scope of the present invention is intended to cover any aspect of the content disclosed in the application, no matter it is implemented independently or in combination with any other aspect of the present invention. For example, an apparatus may be implemented or a method may be implemented using any number of the aspects set forth herein. In addition, the scope of the present invention is intended to cove...

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Abstract

Certain aspects of the present disclosure support techniques for cooperative beamforming based on inter-cell coordination. Signaling design allows coordinated downlink transmissions with reduced inter-cell interference.

Description

[0001] Claim Priority Pursuant to 35 U.S.C. §119 [0002] This application for patent claims the benefit of Provisional Application No. 61 / 149,284, filed February 2, 2009, and Provisional Application No. 61 / 149,434, filed February 3, 2009, which are assigned to this application assignee, is hereby expressly incorporated by reference. technical field [0003] In general, certain aspects of the invention relate to wireless communications, and in particular, certain aspects of the invention relate to scheduling methods for cooperative beamforming. Background technique [0004] Coordinated multipoint (CoMP) is considered a key factor in achieving the high spectral efficiency requirements outlined in the Long Term Evolution-Advanced (LTE-A) standard. A common utility based architecture has been proposed in the LTE-A standard to handle downlink coordinated transmission between cells, resource partitioning in heterogeneous deployments, and user equipment (UE) association in a unif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/04H04B7/06
CPCH04B7/0417H04B7/0626H04B7/0634H04W16/28H04B7/024H04B7/0617H04B7/0639
Inventor A·Y·戈罗霍夫J·M·博朗
Owner QUALCOMM INC
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