Method and system for uplink synchronization

Details Method and system for uplink synchronization Method and system for uplink synchronization

2006-12-27

2010-06-15

Pérez-Gutiérrez, Rafael (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S350000, C370S342000, C370S441000, C455S422100, C455S432100, C455S436000, C455S450000

Reexamination Certificate

active

07738429

ABSTRACT:
This invention presents a synchronization method for uplink, and is based on UE JT technology. During downlink, UE sets up the downlink synchronization; UE undertakes the downlink channel estimation; UE, according to the estimated downlink channel estimation result, constructs transport matrix A, and the uplink synchronization code matrix d to be transmitted by UE. Then UE obtains the uplink pilot frequency transmission data s, which includes the latest downlink channel fading and multi-path information.

REFERENCES:
patent: 2003/0067898 (2003-04-01), Challa et al.
patent: 2004/0052236 (2004-03-01), Hwang et al.
patent: 2008/0247337 (2008-10-01), Li et al.

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