SYSTEM AND METHOD FOR WIRELESS COMMUNICATION IN A FREQUENCY DIVISION DUPLEXING REGION
2 Assignments
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Accused Products
Abstract
A method and system for using half-duplex base stations and half-duplex nodes in a Frequency Division Duplexing region to provide wireless connectivity between the half-duplex base stations and customers in multiple sectors of a cell. The method and system can use two physical channels to form two logical channels. Each logical channel shares both physical channels during alternating frames of time. The half-duplex nodes can include a millimeter-wave band frequency synthesizer configured to transmit and receive on different channels to and from the half-duplex base station. Re-use patterns of the physical channels are used for deployment of half-duplex base stations and half-duplex nodes in the FDD region to minimize co-channel interference and interference due to uncorrelated rain fade. Additional methods and systems utilize full-duplex base stations and smart antenna to communicate with the half-duplex nodes.
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Citations
120 Claims
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8. A method comprising:
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co-locating a first half-duplex modem, a second half-duplex modem, a third half-duplex modem, and a forth half duplex modem at a base station, wherein; the first half-duplex modem is configured to transmit modulated data to a first half-duplex node located in a first sector during a first time frame on a first channel and to receive modulated data from the first half-duplex node during a second time frame on a second channel; the second half-duplex modem is configured to receive modulated data received from a second half-duplex node located in a second sector during the first time frame on a second channel and to transmit modulated data to the second half-duplex node during the first time frame on the first channel; the third half-duplex modem is configured to transmit modulated data to a third half-duplex node located in a third sector during the first time frame on a third channel and receive modulated data from the third half-duplex node during the second time frame on a fourth channel; the fourth half-duplex node located in a fourth sector during the first time frame on a forth channel and transmit modulated data to the fourth half-duplex node during the second time frame on the third channel; the modems are configured to transmit and receive in the first time frame substantially simultaneously, and to transmit and receive in the second time frame substantially simultaneously; and the first time frame preceded the second time frame; and forming a cell coverage area for the base station with the first sector, the second sector, the third sector, and the fourth sector. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 116, 117)
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30. A method comprising:
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co-locating a first full-duplex modem and a second full-duplex modem, at a base station, wherein; the first full-duplex modem is configured to transmit modulated data to a first half-duplex node located in a first sector during a first time frame on a first channel, receive modulated data from the second half-duplex node located in a second sector during the first time frame on a second channel, transmit modulated data to the second half-duplex node during a second time frame on the first channel, and receive modulated data from the first half-duplex node during the second time frame on the second channel; the second full-duplex modem is configured to transmit modulated data to a third half-duplex node located in a third sector during the first time frame on the first channel, receive modulated data from a fourth half-duplex node located in a fourth sector during the first time frame on a fourth channel, transmit modulated data to the fourth half-duplex node during the second time frame on the third channel, and receive modulated data from the third half-duplex node during the second time frame on the fourth channel; the modems are configured to transmit and receive in the first time frame substantially simultaneously and to transmit and receive in the second time frame substantiality simultaneously; and the first time frame precedes the second time frame; and forming a cell converge area for the base station with the first sector, the second sector, the third sector, and the fourth sector. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38)
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48. A base station comprising:
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an antenna; communication components coupled to the antenna and configured to cause the antenna to; transmit modulated data to a first half-duplex node during a first time frame on a first channel and to receive modulated data from the first half-duplex node during a second time frame on a second channel; receive modulated data received from a second half-duplex node during the first time frame on a second channel and to transmit modulated data to the second half-duplex node during the first time frame on the first channel; transmit modulated data to a third half-duplex node during the first time frame on a third channel and receive modulated data from the third half-duplex node during the second time frame on a fourth channel; receive modulate data from a fourth half-duplex node during the first time frame on a fourth channel and transmit modulated data to the fourth half-duplex node during the second time frame on the third channel; the communication components are configured to transmit and receive in the first time frame substantially simultaneously, and to transmit and receive in the second time frame substantially simultaneously; and wherein; the first time frame precedes the second time frame; and the first node to be located in a first sector, the second node to be located in a second sector, the third node to located in a third sector, the fourth node to be located in a fourth sector, wherein the first sector, the second sector, the third sector, and the fourth sector to form a cell coverage area of the base station. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55, 118, 119, 120)
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Specification