Method and apparatus for enhanced paging

A paging message and paging indication technology, applied in the field of communication, can solve the problems of transmission power consumption, multi-radio resources, etc.

Inactive Publication Date: 2009-05-13
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sending paging indications and paging messages on wide-area overhead channels at low rates and / or high transmit power consumes too many radio resources

Method used

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  • Method and apparatus for enhanced paging
  • Method and apparatus for enhanced paging
  • Method and apparatus for enhanced paging

Examples

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Embodiment Construction

[0029] The paging technique described in the present invention can be used in various communication systems, such as Code Division Multiple Access (CDMA) systems, Frequency Division Multiple Access (FDMA) systems, Time Division Multiple Access (TDMA) systems, Orthogonal Frequency Division Multiple Access (OFDMA) systems, ) system, single carrier FDMA (SD-FDMA) system and so on. The terms "system" and "network" are often used interchangeably. A CDMA system may use a radio technology such as Wideband-CDMA (W-CDMA), cdma2000, and so on. cdma2000 covers IS-95, IS-2000 and IS-856 standards. A TDMA system may use a radio technology such as Global System for Mobile Communications (GSM). These various radio technologies, standards and systems are well known in the art. An OFDMA system uses Orthogonal Frequency Division Multiplexing (OFDM) and sends modulation symbols in the frequency domain on orthogonal subcarriers. SC-FDMA systems use single-carrier frequency division multiplexi...

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Abstract

Techniques for paging user equipments (UEs) in a wireless communication system are described. In one aspect, a cell sends a paging indicator to a UE, monitors for an acknowledgement from the UE, and sends a page message to the UE if an acknowledgement is received from the UE. The cell may receive channel quality information from the UE and may send the page message with link adaptation and / or HARQ to improve performance. In another aspect, a cell sends a paging indicator on a shared control channel to a UE and sends a page message on a shared data channel to the UE. The paging indicator and page message may be sent from multiple cells to the UE. Alternatively, the paging indicator may be sent from multiple cells to the UE, and the page message may be sent from a single cell to the UE.

Description

[0001] This application claims the benefit of Provisional U.S. Application No. 60 / 795,675, filed April 28, 2006, entitled "Method and Apparatus for Enhanced Paging," and U.S. Application No. 60 / 795,675, filed October 27, 2006, entitled "Composed Message Authentication Code." The priority of Application No. 60 / 863,217 is assigned to the assignee of the present application and is incorporated herein by reference. technical field [0002] In general, the present invention relates to communication, and in particular, the present invention relates to techniques for paging user equipment (UE) in a wireless communication system. Background technique [0003] A UE in a wireless communication system, such as a cell phone in a cellular system, can be operating in one of several states, such as an active state and a sleep state, at any given moment. In the active state, the UE is actively exchanging data with one or more Node Bs (or base stations), eg for voice or data calls. In the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W68/00H04W68/02H04L1/00H04L1/16
CPCH04L5/0007H04L25/03866H04L5/006H04L5/0064H04L5/0091H04W68/025H04L5/0053Y02D30/70H04L1/1812H04W8/20H04L1/004
Inventor J·蒙托霍D·P·马拉蒂
Owner QUALCOMM INC
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