Decorrelating discrimination system of code division...

Details Decorrelating discrimination system of code division... Decorrelating discrimination system of code division...

2005-03-10

2010-10-05

Payne, David C (Department: 2611)

Pulse or digital communications

Receivers

Angle modulation

C375S142000, C375S144000, C375S149000, C375S343000, C370S335000, C370S342000

Reexamination Certificate

active

07809089

ABSTRACT:
A de-correlating discriminating system of code division multiple access signals including a system structure composed of a plurality of cells, each of the plurality of cells including a base-station and a plurality of user-stations, each of the user-stations including a user-transmitter and a user-receiver, communicating through a multi-access channel with the base station which includes a base-station receiver and a base-station transmitter, and the user-transmitter is capable of transmitting a data symbol to convey a data with a spreading sequence and a pilot symbol that is the spreading sequence to identify a channel from the user transmitter to the base-station receiver and the base-station receiver includes a minimum means square error detector to analyze an input vector that is a received signal containing both multiple users specific data responses.

REFERENCES:
patent: 7116726 (2006-10-01), Winkler
patent: 7400608 (2008-07-01), Papasakellariou et al.
patent: 7623571 (2009-11-01), Petre et al.
patent: 59-163514 (1984-09-01), None
patent: 61-010736 (1986-01-01), None
patent: 2003/531513 (2003-10-01), None
patent: WO 03/101012 (2003-12-01), None

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