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Method and apparatus for mitigating data loss during autonomous system information reading

A technology for system information and data transmission, which is applied in the field of wireless communication and can solve problems such as the impact of data transmission

Active Publication Date: 2015-01-14
QUALCOMM INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Data transmission to and/or from the UE may be affected during times when the

Method used

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  • Method and apparatus for mitigating data loss during autonomous system information reading
  • Method and apparatus for mitigating data loss during autonomous system information reading
  • Method and apparatus for mitigating data loss during autonomous system information reading

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Embodiment Construction

[0020] The techniques described herein may be used in various wireless communication systems such as CDMA, TDMA, FDMA, OFDMA, SC-FDMA, and others. The terms "system" and "network" are often used interchangeably. A CDMA system may implement a radio technology such as Universal Terrestrial Radio Access (UTRA), cdma2000, and so on. UTRA includes Wideband-CDMA (WCDMA) and other CDMA variants. cdma2000 covers IS-2000, IS-95 and IS-856 standards. A TDMA system can implement a radio technology such as Global System for Mobile Communications (GSM). The OFDMA system 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 employs OFDMA on the downlink and SC-FDMA on the uplink. UTRA, E-UTRA, UM...

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Abstract

Techniques for mitigating data loss during autonomous system information (SI) reading by a user equipment (UE) are described. For autonomous SI reading, the UE may autonomously determine when to read system information from neighbor cells and may not inform a serving cell. In one design, the UE may autonomously select a SI reading gap for reading system information from a neighbor cell. During the SI reading gap, the UE may suspend reception of downlink transmission from the serving cell, receive system information from the neighbor cell, and maintain capability to transmit on the uplink to the serving cell. In one design, the serving cell may determine SI reading gaps autonomously selected by the UE for reading system information from neighbor cells. The serving cell may communicate with the UE by accounting for the SI reading gaps of the UE, e.g., may suspend communication with the UE during the SI reading gaps.

Description

[0001] The patent application for this invention is the international application number PCT / US2011 / 021575, the international application date is January 18, 2011, the application number entering the Chinese national phase is 201180005706.1, and the name is "used to ease the data during the autonomous system information reading period The divisional application of the invention patent application for lost method and device. [0002] This application claims a Provisional U.S. Application entitled "METHOD AND APPARATUS THAT FACILITATES MITIGATING PACKET LOSS DURING AUTONOMOUS SYSTEM INFORMATION READING," filed January 18, 2010 Priority of S / N.61 / 295,899, the provisional application assigned to the assignee of the present application and incorporated herein by reference. technical field [0003] The present disclosure relates generally to communications, and more particularly to techniques for wireless communications. Background technique [0004] Wireless communication system...

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Application Information

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IPC IPC(8): H04W48/16H04L1/18
CPCH04L1/1867H04L1/1845H04W48/16H04W56/001H04B7/2603H04J11/0069H04W36/0016H04W36/0061
Inventor T·姬P·盖尔G·冯K·巴塔德Y·魏
Owner QUALCOMM INC
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