WO2010101939A3

4G

Title

Timing adjustment for synchronous operation in a wireless network

Application Number:

WO2010US25947

Publication Date:

16-12-2010

Current Assignee:

GAAL PETER , JI TINGFANG , PALANKI RAVI , QUALCOMM INC

Family ID:

42667382

Application Date:

02-03-2010

Publication Country:

US

View on Espacenet

Priority Date:

02-03-2009

Declaring Company:

QUALCOMM INC

Abstract  Abstract

Techniques for adjusting transmit timing of base stations and user equipments (UEs) in a wireless network are described. In one operating scenario a femto base station communicates with a femto UE and a macro base station communicates with a macro UE located within the coverage of the femto base station. In an aspect the transmit timing of the femto base station may be delayed relative to the transmit timing of the macro base station e.g. to time align downlink signals from the femto and macro base stations at the femto and macro UEs. In another aspect the transmit timing of the femto UE may be advanced relative to the transmit timing of femto base station by an amount larger than twice the propagation delay between the femto UE and the femto base station e.g. to time align uplink signals from the femto and macro UEs at the femto base station.

Note:

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The information in grey was provided by the patent holder

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