Wireless telephone distribution system with time and space diver

Details Wireless telephone distribution system with time and space diver Wireless telephone distribution system with time and space diver

1997-08-29

1999-01-12

Chin, Stephen

Pulse or digital communications

Receivers

Interference or noise reduction

375205, 375206, 455101, H04B 710, H04L 102

Patent

active

058598790

ABSTRACT:
A wireless communication system combines time and space diversity to reduce fading and simplify receiver design. In particular, a data packet which carries digital telephone traffic, is transmitted at three different times from three different antennas. The mobile subscriber receiver thus receives the same data packet at three different times from three different antennas, and uses the best data packet or combination of the data packets to reduce the effects of fading. A transfer station receives a time division multiplex multiple access (TDMA) signal from a base station carrying telephone data packet traffic to form three data packet repeats at spatially diverse antennas locations. The transfer station further modulates a code division multiple access (CDMA) system using a TDMA signal which links the mobile subscriber receiver to the transfer station. Each data packet received at the transfer station is thus retransmitted at three different times to the mobile subscriber station on a CDMA link.

REFERENCES:
patent: 5203018 (1993-04-01), Hirose
patent: 5371780 (1994-12-01), Amitay
patent: 5481533 (1996-01-01), Honig et al.
patent: 5584057 (1996-12-01), Dent
patent: 5663990 (1997-09-01), Bolgiano et al.
patent: 5684793 (1997-11-01), Kiema et al.
patent: 5748669 (1998-05-01), Yada
patent: 5781541 (1998-07-01), Schneider

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