Transceiver method in a radio system and a radio system

Details Transceiver method in a radio system and a radio system Transceiver method in a radio system and a radio system

2007-08-14

2007-08-14

Gesesse, Tilahun (Department: 2618)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S524000, C455S101000

Reexamination Certificate

active

10318408

ABSTRACT:
The invention relates to a radio system and a transceiver method. The method comprises the steps of transmitting a signal of at least one type by a transceiver of the first type; receiving a signal by a transceiver of the second type with at least two differently polarized antennas; performing measurements of the received signal to determine its polarization by using the transceiver of the second type; determining the polarization of the transceiver of the first type; adjusting the signal transmitted by the transceiver of the second type in such a way that the polarization of the signal is matched with the polarization used by the transceiver of the first type; transmitting at least two orthogonally polarized, polarization-matched signals by the transceiver of the second type; and receiving the polarization-matched signals by the transceiver of the first type by using at least two antennas of different polarizations.

REFERENCES:
patent: 5724666 (1998-03-01), Dent
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patent: 6442371 (2002-08-01), Lyu
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patent: 2002/0045427 (2002-04-01), Lahti et al.
patent: 2002/0077068 (2002-06-01), Dent
patent: WO 01/86823 (2001-11-01), None
“Layered Space-Time Architecture for Wireless Communication in a Fading Environment When Using Multi-Element Antennas”, G. J. Foschini, Bell Labs Technical Journal, Autum 1996, pp. 41-59.

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