发明名称 High-speed mobile broadband access by slewing between vehicular narrowbeam transceiver and fixed transceivers along prescribed path
摘要 In one embodiment, a method comprises: establishing a first broadband data link between a first mobile narrowbeam transceiver positioned on a vehicle and a first fixed narrowbeam transceiver mounted along a prescribed path of the vehicle; and switching from the first broadband data link, by the first mobile narrowbeam transceiver, to a second broadband data link with a second fixed narrowbeam transceiver mounted along the prescribed path after the first fixed narrowbeam transceiver, enabling the vehicle to maintain continuous broadband access to a wide area network via a prescribed sequence of the fixed narrowbeam transceivers along the prescribed path.
申请公布号 US9609569(B2) 申请公布日期 2017.03.28
申请号 US201314031853 申请日期 2013.09.19
申请人 Cisco Technology, Inc. 发明人 Byers Charles Calvin;Chan Douglas
分类号 H04W36/32;H04W16/28 主分类号 H04W36/32
代理机构 代理人 Turkevich Leon R.
主权项 1. A method comprising: establishing a first wireless optical broadband data link between a first mobile narrowbeam transceiver positioned on a land-based vehicle and a first fixed narrowbeam transceiver mounted along a prescribed path of the land-based vehicle, the first mobile narrowbeam transceiver positioned in a forward direction relative to the prescribed path to establish a forward wireless broadband channel at one Gigabit per second (1 Gb/s) or more; maintaining the forward wireless broadband channel based on switching from the first wireless optical broadband data link, by the first mobile narrowbeam transceiver, to a second wireless optical broadband data link with a second fixed narrowbeam transceiver mounted along the prescribed path after the first fixed narrowbeam transceiver based on slewing of at least one of the first mobile narrowbeam transceiver on the land-based vehicle, the first fixed narrowbeam transceiver, or the second fixed narrowbeam transceiver, at a slew rate of one degree per millisecond or faster; establishing a reverse wireless broadband channel at one Gigabit per second (1 Gb/s) or more based on establishing a third wireless optical broadband data link between a second mobile narrowbeam transceiver, positioned in a reverse direction on the land-based vehicle relative to the prescribed path, and a third fixed narrowbeam transceiver mounted along the prescribed path; the forward wireless broadband channel and the reverse wireless broadband channel enabling the land-based vehicle to maintain 1.5 Gb/s or more continuous broadband access to a wide area network via a prescribed sequence of the fixed narrowbeam transceivers along the prescribed path while traveling at 320 kilometers per hour or more; maintaining the reverse broadband channel based on the second mobile narrowbeam transceiver switching from the third wireless optical broadband data link to a fourth wireless optical broadband data link with a fourth fixed narrowbeam transceiver mounted in reversed direction along the prescribed path; and the first fixed narrowbeam transceiver and the third fixed narrowbeam transceiver establishing a fifth wireless optical broadband data link in response to a determined absence of the land-based vehicle, enabling the fifth wireless optical broadband data link to bypass a wired cable between the first fixed narrowbeam transceiver and the third fixed narrowbeam transceiver, or to provide testing of at least one of the first fixed narrowbeam transceiver or the third fixed narrowbeam transceiver.
地址 San Jose CA US