Adaptive receive and omnidirectional transmit antenna array

Details Adaptive receive and omnidirectional transmit antenna array Adaptive receive and omnidirectional transmit antenna array

2005-03-29

2005-03-29

Phan, Tho (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S725000, C343S834000

Reexamination Certificate

active

06873293

ABSTRACT:
An adaptive antenna used in a receive only mode with a separate omnidirectional transmit antenna. The arrangement is especially effective for small, handheld wireless devices. The transmit antenna maybe integrated with the receive array by utilizing a horizontally polarized transmit and vertically polarized receiver ray. In other embodiments, the transmit antenna may be physically separate and not integrated with the receive array. In either case there is separate receive and transmit signal port as an interface to radio transceiver equipment. The use of an adaptive antenna in the receive only direction has the potential to increase forward links capacity to levels equal to or greater than reverse link capacity. This allows for a significant increase in the overall number of users that may be active at the same time in a wireless system.

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