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Method and device for wireless communication in wireless network

A wireless communication, wireless network technology, applied in the field of estimated interference, which can solve the problem of reducing downlink and uplink performance, etc.

Active Publication Date: 2015-03-18
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This interference can degrade performance on both the downlink and uplink

Method used

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  • Method and device for wireless communication in wireless network
  • Method and device for wireless communication in wireless network
  • Method and device for wireless communication in wireless network

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Embodiment Construction

[0024] The detailed description set forth below in connection with the accompanying drawings is intended as a description of various configurations and is not intended to represent the only configurations in which the concepts described herein may be practiced. The detailed description includes specific details to provide a thorough understanding of various concepts. It will be readily apparent, however, to one skilled in the art that these concepts may be practiced without these specific details. In some instances, well-known structures and components are shown in block diagram form in order not to obscure the concepts.

[0025] The techniques described herein may be used for various wireless communication networks such as CDMA, TDMA, FDMA, OFDMA, SC-FDMA, and others. Often, the terms "network" and "system" are used interchangeably. CDMA networks may implement radio technologies such as Universal Terrestrial Radio Access (UTRA), Telecommunications Industry Association (TIA)...

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Abstract

Interference on pilot signals and on data tones can be mismatched. Different types of interference estimates perform differently based on how the mismatch occurs. The resulting interference estimate may thus be inaccurate. Interference estimates based on pilot signals and also on data tones can both be evaluated for reliability. The more reliable of the two can then be selected. If the data tones estimate is selected, the estimate can be calculated from covariance matrices or from traffic-to-pilot ratios.

Description

technical field [0001] Aspects of this disclosure relate generally to wireless communication systems, and more particularly, to estimating interference in wireless communication systems. Background technique [0002] Wireless communication networks are widely deployed to provide various communication services such as voice, video, packet data, messaging, broadcast, and so on. These wireless networks may be multiple-access networks capable of supporting multiple users by sharing available network resources. Examples of such multiple access networks include Code Division Multiple Access (CDMA) networks, Time Division Multiple Access (TDMA) networks, Frequency Division Multiple Access (FDMA) networks, Orthogonal FDMA (OFDMA) networks, and Single Carrier FDMA (SC-FDMA) network. [0003] A wireless communication network may include a number of base stations that can support communication for a number of user equipments (UEs). A UE can communicate with a base station via downli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B17/00
CPCH04B17/345
Inventor 游太祥涛·骆魏永斌西达尔塔·马利克
Owner QUALCOMM INC