Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-05-15
2007-05-15
Anderson, Matthew (Department: 2618)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S422100, C455S436000
Reexamination Certificate
active
10639531
ABSTRACT:
The Doppler spreads of the received signals in a MIMO, SIMO or MISO mobile communication system are estimated from the derivatives of the path transfer function envelopes for the received signals. The estimated Doppler spreads is used to estimate the speed of the mobile station.
REFERENCES:
patent: 3713154 (1973-01-01), Kummer
patent: 6542745 (2003-04-01), Mottier et al.
Juncker Carsten
Morch Niels Jacob Sand
Toft Peter
Alston & Bird LLP
Anderson Matthew
Nokia Corporation
Phu Sanh
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