Opportunistic beamforming and scheduling of users in a...

Details Opportunistic beamforming and scheduling of users in a... Opportunistic beamforming and scheduling of users in a...

2007-07-03

2007-07-03

Feild, Joseph (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S561000, C455S452200, C455S450000, C455S025000

Reexamination Certificate

active

10721098

ABSTRACT:
In a method of determining a beam to be generated for a user, a user may be selected from a user population based on a parameter that is tracked for each user in the user population, and a beam preferred by the selected user may be determined. The preferred beam may be generated and used by a base station to transmit a pilot signal to the user population. Each user of the user population responds to the pilot signal. The base station may run a scheduling algorithm and schedule a user based on feedback received from all the users in the user population, and information may be transmitted to the scheduled user using the preferred beam.

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Viswanath P., “Opportunistic Beamforming Using Dumb Antennas” Transactions on Information Theory, Inc., New York, vol. 48, No. 6, Jun. 2002.
European Search Report dated Apr. 27, 2005.

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