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Channel quality reporting for adaptive sectorization

A channel quality indication, channel technology, applied in the direction of error detection/prevention using signal quality detectors, transmission modification based on link quality, multiplexing communication, etc.

Active Publication Date: 2008-06-04
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the fixed beam pattern can be updated or adapted, in contrast to beam steering systems, the beams in a fixed beam system are not dynamically updated according to individual user devices

Method used

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  • Channel quality reporting for adaptive sectorization
  • Channel quality reporting for adaptive sectorization
  • Channel quality reporting for adaptive sectorization

Examples

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Embodiment Construction

[0026] Various embodiments will now be described with reference to the drawings, wherein like reference numerals are used to refer to like elements throughout. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that the described embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate illustrating one or more embodiments.

[0027] Furthermore, various embodiments are described herein in connection with a user device. A user device can also be called a system, a subscriber unit, subscriber station, mobile station, mobile device, remote station, access point, base station, remote terminal, access terminal, user terminal, terminal, user agent, or user equipment (UE) . The user device may be a cellular phone, a cordless...

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Abstract

Apparatuses and methodologies are described that enhance performance in a wireless communication system using beamforming transmissions. According to one aspect, the channel quality is monitored. Channel quality indicators can be used to select a scheduling technique, such as space division multiplexing (SDM), multiple-input multiple output (MIMO) transmission and opportunistic beamforming for one or more user devices. In addition, the CQI can be used to determine the appropriate beam assignment or to update the beam pattern.

Description

[0001] Claim of priority under 35 U.S.C § 119 [0002] This patent application claims priority over Provisional Application No. 60 / 672,575, filed April 19, 2005, entitled "CHANNEL QUALITY REPORTING FOR ADAPTIVE SECTORIZATION IN WIRELESS COMMUNICATION SYSTEMS," and 60 / 710,419, filed August 22, 2005 , which is assigned to the assignee herein, and is hereby expressly incorporated herein by reference. technical field [0003] The following description relates generally to wireless communications, and more particularly to communication schemes for wireless communications systems. Background technique [0004] Wireless networking systems have become a popular means by which most people communicate throughout the world. To meet consumer demands and to increase portability and convenience, wireless communication devices have become smaller and more powerful. Consumers have found many uses for wireless communication devices such as mobile phones, personal digital assistants (PDAs)...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/06H04L1/00H04J99/00H04W72/54
CPCH04B7/0697H04B7/0689H04L5/0051H04W72/08H04L5/0057H04L5/006H04B7/0632H04B1/7143H04L5/0023H04B7/043H04L5/0037H04B7/065H04L1/20H04B10/07953H04L5/00H04L1/0026H04L1/0027H04W72/121H04W72/54
Inventor 达纳恩杰伊·阿肖克·戈尔阿列克谢·戈罗霍夫季庭方阿莫德·卡恩德卡尔塔梅尔·卡杜斯
Owner QUALCOMM INC
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