Method and apparatus for preventing communication link degradation due to the detrimental orientation of a mobile station
First Claim
1. A wireless transmit/receive unit (WTRU) comprising:
- (a) a processor;
(b) a transceiver in communication with the processor;
(c) a beam forming antenna in communication with the transceiver;
(d) means for performing reflective probing tests using the transceiver and antenna to transmit test signals at various boresight orientations and determining results of the tests; and
(e) means for adjusting the characteristics of the transceiver and at least one beam formed by the antenna based on the reflective probing test results.
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Accused Products
Abstract
A method and apparatus for preventing communication link degradation due to wireless transmit/receive unit (WTRU) position changes and detrimental orientation. When it is determined that at least one of a plurality of WTRUs in a communication link is moving or is going to move, the radio frequency (RF) beam pattern and/or link characteristics of a WTRU is adjusted to enhance communications. In another embodiment, the RF beam pattern and/or link characteristics are adjusted when it is determined that a gap in the communication link has occurred or will occur because one of the WTRUs has disengaged or is going to disengage from the communication link. In another embodiment, when a WTRU is in an undesired orientation, the WTRU instructs a user to physically move the WTRU. In another embodiment, information about the orientation of a WTRU is conveyed to a network that makes adjustments to enhance communications with the WTRU.
59 Citations
13 Claims
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1. A wireless transmit/receive unit (WTRU) comprising:
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(a) a processor;
(b) a transceiver in communication with the processor;
(c) a beam forming antenna in communication with the transceiver;
(d) means for performing reflective probing tests using the transceiver and antenna to transmit test signals at various boresight orientations and determining results of the tests; and
(e) means for adjusting the characteristics of the transceiver and at least one beam formed by the antenna based on the reflective probing test results. - View Dependent Claims (2, 3, 4, 5)
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6. A wireless transmit/receive unit (WTRU) comprising:
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(a) a processor;
(b) a transceiver in communication with the processor;
(c) a beam forming antenna in communication with the transceiver; and
(d) means for performing boresight signal searching tests using the transceiver and antenna to transmit test signals in all of the WTRU'"'"'s degrees of available freedom to determine the appropriate orientation for receive and transmission boresight directions; and
(e) means for adjusting the characteristics of the transceiver and at least one beam formed by the antenna based on the boresight signal searching test results. - View Dependent Claims (7, 8)
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9. In a wireless communication including a network in communication with at least one wireless transmit/receive unit (WTRU), the WTRU including a transceiver in communication with a beamforming antenna, a method comprising:
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(a) performing reflective probing tests using the transceiver and antenna to transmit test signals at various boresight orientations and determining results of the tests; and
(b) adjusting the characteristics of the transceiver and at least one beam formed by the antenna based on the reflective probing test results. - View Dependent Claims (10, 11, 12, 13)
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Specification