System, and associated method, for scheduling weighted...

Details System, and associated method, for scheduling weighted... System, and associated method, for scheduling weighted...

2007-10-23

2007-10-23

Maung, Nay (Department: 2684)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S068000, C455S562100, C455S561000, C370S318000, C370S252000, C375S349000, C375S148000

Reexamination Certificate

active

10611316

ABSTRACT:
A method for scheduling weighted transmissions from two or more transmit antennas of a base station to each of two or more mobile stations in a closed-loop transmit diversity system, whereby the quantity of power available for data transmission from each transmit antenna is determined and, with respect to each antenna, the power required to transmit data to each mobile station is determined. The number of mobile stations that may be served simultaneously by a base station is determined and, for each combination of respective mobile stations constituting the number of mobile stations that may be served simultaneously, the transmission of data from each transmit antenna to the mobile stations is scheduled to minimize unused power.

REFERENCES:
patent: 2003/0045288 (2003-03-01), Luschi et al.
patent: 2003/0128658 (2003-07-01), Walton et al.
patent: 2004/0120289 (2004-06-01), Hamalainen et al.
patent: 2004/0152458 (2004-08-01), Hottinen
patent: 2005/0015504 (2005-01-01), Dorne et al.
Derryberry, T., S. Gray, D. Ionescu, G. Mandyam, and B. Raghothaman, “Transmit Diversity in 3G CDMA Systems”, IEEE Communications Magazine, Apr. 2002, pp. 68-75, U.S.
International Search Report, PCT/US04,21054, dated Sep. 22, 2005.

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