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Recovery from resource mismatch in a wireless communication system

A wireless communication system and communication resource allocation technology, applied in wireless communication, network traffic/resource management, electrical components, etc., can solve problems such as terminal performance degradation, service quality deterioration, terminal interference, etc.

Inactive Publication Date: 2009-08-19
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, complete orthogonality between transmissions from different terminals is often not achievable due to channel conditions, receiver imperfections, and other factors
As a result, terminals often cause some level of interference to other terminals communicating with the same sector
Furthermore, because transmissions from multiple terminals communicating with different sectors are usually not orthogonal to each other, each terminal can also cause interference to terminals communicating with neighboring sectors
This interference results in reduced performance for each terminal in the system, with a consequential deterioration in Quality of Service (QoS)

Method used

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  • Recovery from resource mismatch in a wireless communication system
  • Recovery from resource mismatch in a wireless communication system
  • Recovery from resource mismatch in a wireless communication system

Examples

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Embodiment Construction

[0032] Various embodiments are now described with reference to the drawings, wherein like reference numerals are used to refer to like elements throughout. In the following description, numerous specific details are given for purposes of explanation in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such 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 describing one or more embodiments.

[0033] Furthermore, the term "or" means an inclusive "or" rather than an exclusive "or". That is, unless specified otherwise, or clear from the context, "X employs A or B" means any natural inclusive permutation. That is, if X uses A, X uses B, or X uses both A and B, then "X uses A or B" satisfies any of the above examples. Additionally, the articles "a" and "an" as used in this application and the appended claims ...

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Abstract

System(s) and method(s) that facilitate assignment mismatch recovery are provided. A projected level of resources required to satisfy one or more communication constraints (e.g., inter-cell and intra-cell interference) is generated. The projected resources are contrasted with scheduled resources and a determination is made as to whether a mismatch between assigned and projected resources exists. A mismatch is recovered through an adaptive response that feeds back magnitudes for the communication resources which are compatible with the communication constraints.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Application No. 60 / 843,154, filed September 8, 2006, and US Application No. 11 / 849,646, filed September 4, 2007. The entire contents of these applications are incorporated herein by reference. technical field [0003] The present invention relates generally to wireless communications, and in particular, the present invention relates to techniques for recovering from resource mismatches in wireless communication systems. Background technique [0004] Wireless communication has penetrated into almost every aspect of people's daily life. To facilitate office / teaching activities as well as entertainment, wireless systems are widely used and provide various types of communication content such as voice, data, video, and so on. These systems are multiple-access systems capable of supporting communication for multiple terminals by sharing available system resources. Example...

Claims

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Application Information

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IPC IPC(8): H04W16/10H04W28/04H04W28/18H04W72/12
CPCH04W72/52H04W28/16
Inventor M·J·博兰A·戈罗霍夫A·汉德卡尔季庭方A·C·卡纳安
Owner QUALCOMM INC
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