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Method and apparatus for using uplink control information for inter-cell decoding and interference cancellation

A technology for link control information and interference cancellation, applied in the field of communication, can solve problems such as reducing data transmission performance

Inactive Publication Date: 2016-08-31
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Interference from other UEs can degrade the performance of data transmission from this UE

Method used

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  • Method and apparatus for using uplink control information for inter-cell decoding and interference cancellation
  • Method and apparatus for using uplink control information for inter-cell decoding and interference cancellation
  • Method and apparatus for using uplink control information for inter-cell decoding and interference cancellation

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Embodiment Construction

[0018] The techniques described herein may be used for a variety of wireless communication networks, such as CDMA, TDMA, FDMA, OFDMA, SC-FDMA, and others. The terms "network" and "system" are often used interchangeably. A CDMA network may implement a radio technology such as Universal Terrestrial Radio Access (UTRA), cdma2000, and so on. UTRA includes Wideband-CDMA (W-CDMA) and other variants of CDMA. cdma2000 covers IS-2000, IS-95 and IS-856 standards. A TDMA network can implement a radio technology such as Global System for Mobile Telecommunications (GSM). OFDMA network can implement such as Evolved UTRA (E-UTRA), Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, and other radio technologies. UTRA and E-UTRA are part of the Universal Mobile Telecommunications System (UMTS). 3GPP Long Term Evolution (LTE) and LTE-Advanced (LTE-A) are new releases of UMTS that use E-UTRA, which uses OFDMA on the downlink and SC-FDMA on the uplink. UTRA...

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Abstract

Techniques for supporting data transmission on the uplink in a wireless network are described. In an aspect, a user equipment (UE) may send a data transmission to a serving base station and may send uplink control information (UCI) to a non-serving base station. The UCI may include pertinent information to allow the non-serving base station to process the data transmission from the UE. In one design, the UCI may allow the non-serving base station to estimate the interference due to the data transmission from the UE and to cancel the interference at the non-serving base station. The interference cancellation may improve the received signal quality at the non-serving base station. After the interference cancellation, the non-serving base station may process a data transmission from another UE served by the base station.

Description

[0001] This application is a Chinese patent with the application number 200980126956.3 (PCT / US2009 / 050304), the filing date is July 10, 2009, and the title of the invention is "Method and device for inter-cell decoding and interference cancellation using uplink control information" Divisional application of the application. [0002] This application claims priority to US Provisional Application No. 61 / 080,065, filed July 11, 2008, entitled "REVERSE RATEINDICATOR CHANNEL FOR INTER-CELL INTERFERENCECANCELLATION," assigned to the assignee of the present invention. It is incorporated here by reference. technical field [0003] This disclosure relates to communications. More specifically, it relates to techniques for sending and receiving information in wireless communication networks. Background technique [0004] Wireless communication networks are widely deployed to provide various communication content such as: voice, video, packet data, messaging, broadcast, and so on. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/08H04B7/02H04W72/54
CPCH04B7/022H04B2201/70702H04W48/08H04W72/541H04W72/20H04J11/005H04W72/21H04L1/0002H04W72/542H04L5/006H04L1/0061H04W88/181H04J11/00
Inventor R·保兰基A·Y·戈罗霍夫N·布尚
Owner QUALCOMM INC