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公开(公告)号：US20220070686A1
公开(公告)日：2022-03-03
申请号：US17005463
申请日：2020-08-28
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Abstract: A method for beamform management in vehicular communications includes, within a computerized processor, determining a planned route for a vehicle, identifying a plurality of candidate cellular towers with which the vehicle may communicate along the planned route, and determining signal strengths of each of the towers at locations along the route. The method further includes determining a communication plan including identifying locations of each of the towers and segmenting the planned route into portions based upon the determined signal strengths. One of the towers is assigned to communicate with the vehicle for each of the portions based upon the signal strengths. The method further includes utilizing the communication plan to change communication between the vehicle and the towers as the vehicle traverses the route by directing a primary lobe of an antenna beam toward each of the candidate cellular towers in turn according to the communication plan.
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2.发明授权公开(公告)号：US11528625B2
公开(公告)日：2022-12-13
申请号：US16945059
申请日：2020-07-31
Applicant: GM Global Technology Operations LLC
Inventor： Mohammadreza Aminikashani , Scott T Droste , David M George
IPC: H04W4/40 , H04B17/309 , H04W24/08 , H01Q1/32
Abstract: A mobile communication system of a motor vehicle includes a primary antenna. The system further includes a telematics module having a processor and at least one memory including a computer program code. The memory and the computer program code are configured to, with the processor, cause the system to detect a predetermined vehicle event and measure a primary signal quality of the reference signal received at the primary antenna. The memory and the computer program code are configured to, with the processor, cause the system to determine a maximum primary signal quality and compare the maximum primary signal quality with a threshold. The memory and the computer program code are configured to, with the processor, cause the system to determine a defect in the primary antenna and activate a diagnostic trouble code associated with the defect, in response to determining that the primary maximum signal quality is below the threshold.
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公开(公告)号：US11375386B2
公开(公告)日：2022-06-28
申请号：US17005463
申请日：2020-08-28
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Abstract: A method for beamform management in vehicular communications includes, within a computerized processor, determining a planned route for a vehicle, identifying a plurality of candidate cellular towers with which the vehicle may communicate along the planned route, and determining signal strengths of each of the towers at locations along the route. The method further includes determining a communication plan including identifying locations of each of the towers and segmenting the planned route into portions based upon the determined signal strengths. One of the towers is assigned to communicate with the vehicle for each of the portions based upon the signal strengths. The method further includes utilizing the communication plan to change communication between the vehicle and the towers as the vehicle traverses the route by directing a primary lobe of an antenna beam toward each of the candidate cellular towers in turn according to the communication plan.
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