Detection of signals in a radio network

Details Detection of signals in a radio network Detection of signals in a radio network

2007-05-14

2010-11-16

Gary, Erika A (Department: 2617)

Telecommunications

Radiotelephone system

C455S562100, C375S150000

Reexamination Certificate

active

07835719

ABSTRACT:
In a radio network that includes at least one base station and at least one remote station, signals are modulated for transmission from the remote stations by embedding known information throughout the signal in a predetermined pattern and a group of sample vectors of a signal received by at least one base station of the network are collected and processed to detect a said received signal that resulted from propagation of a signal from a remote station of the network. The group of sample vectors is collected from (a) signals that are received by more than one base station of the network; and/or (b) signals that are received simultaneously at different frequencies by at least one base station of the network.

REFERENCES:
patent: 5233626 (1993-08-01), Ames
patent: 2001/0004380 (2001-06-01), Mannermaa
patent: 2004/0131025 (2004-07-01), Dohler et al.
patent: 2008/0287164 (2008-11-01), Francis
Stromberg, F., “Virtual Antenna Arrays Results and Ongoing Studies”, Radio Communications Systems Lab. Department of Signals, Sensors and Systems, Royal Institute of Technology (KTH), SE-164 40 Kista Sweden. www.wireless.kth.se/AWSI/LCI/publication—files/Fredrik.pdf.

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