Agile access method and system based on directional beam forming
A directional beam, access method technology, applied in electrical components, synchronization devices, wireless communication and other directions, can solve problems such as ultra-long-distance communication that cannot meet the requirements of large-scale microwave mobile access networks
Active Publication Date: 2021-08-03
军事科学院系统工程研究院网络信息研究所 +1
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Problems solved by technology
[0005] In view of this, it is necessary to provide an agile access method and system based on directional beamforming to solve the problem that the existing communication network access technology cannot meet the ultra-long-distance communication requirements of a large-scale microwave mobile access network
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[0030] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and together with the embodiments of the present invention are used to explain the principle of the present invention and are not intended to limit the scope of the present invention.
[0031] The present invention provides an agile access method based on directional beamforming, and the flow chart of one embodiment is as follows figure 1 As shown, in this embodiment, the agile access method based on directional beamforming is characterized in that it includes the following steps:
[0032] S1. Set the frame structure through multiple channels, obtain beams based on directional beam synthesis in the synchronous time slots of the frame structure, send beams through multiple channels and mini-slots, and perform alignment of direction, frequency, and time-domain directional anten...
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The invention relates to an agile access method and system based on directional beam forming. The method comprises the following steps: carrying out beam forming based on a directional beam, setting a frame structure through multiple channels, sending the synthesized beam through the multiple channels and a micro time slot in a synchronous time slot of the frame structure, and carrying out direction, frequency and time domain directional antenna alignment; in an access time slot of a frame structure, through simultaneous operation of multiple channels and micro time slot scanning, a base station receives an access request of a mobile station node and carries out initial distance measurement at the same time; a base station issues base station configuration information including a frame structure and a frame format, the base station performs time delay correction on a mobile station according to the base station configuration information and initial ranging and allocates a polling time slot, and the mobile station performs uplink timing advance and sends protocol interaction information according to the time delay correction in the polling time slot. The agile access method based on directional beam forming can meet ultra-long distance communication required by a ground-air microwave maneuvering access network.
Description
technical field [0001] The present invention relates to the technical field of microwave communication, in particular to an agile access method and system based on directional beam synthesis. Background technique [0002] In the microwave communication network, the directional antenna has gained widespread attention due to its outstanding advantages of high-gain transmission / reception. The directional antenna can not only provide a longer transmission distance and a higher transmission rate at the transmitting end and the receiving end, but also limit the signal Transmitting in the desired area reduces the interference between signals and the probability of being interfered and detected. Furthermore, spatial multiplexing can be improved through directional antennas, thereby improving network performance. [0003] However, the application of directional antennas brings great challenges to mobile access: the coverage of directional antenna beams is relatively limited, and onl...
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IPC IPC(8): H04W56/00
CPCH04W56/001
Inventor 汪李峰董玮彭宇李智敏赵佳杨爽
Owner 军事科学院系统工程研究院网络信息研究所