Under millimeter wave honeycomb network, BFT -based wireless access method and communication method
A wireless access and cellular network technology, applied in the field of communication, can solve the problems of inability to adapt to the large-scale growth of the network, inability to reflect the decisive role of energy, inability to adapt to the needs of low power consumption, etc., to improve the average energy efficiency value and average throughput. The effect of reducing the interference between nodes and reducing the communication cost
Active Publication Date: 2022-04-15
CENT SOUTH UNIV
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[0004] However, in the dense millimeter wave cellular network application scenario, due to the doubling of the network scale, the BFT mechanism proposed in this document is directly applied to the dense millimeter wave cellular network scenario, which will cause excessive load on the MBS and increase the communication cost exponentially. , cannot adapt to the large-scale growth of the future network; at the same time, given that the BM-IC optimization algorithm in this literature is based on the signal to noise ratio (SNR) priority strategy, the use of SNR to predict channel quality cannot reflect the energy in optimization. It plays a decisive role and cannot meet the needs of the next generation wireless communication network for low power consumption
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[0098] Such as figure 1 Shown is a schematic diagram of the method flow of the wireless access method of the present invention: the wireless access method based on BFT under the millimeter wave cellular network provided by the present invention adopts a three-layer BFT mechanism to realize the BFT between the MBS and the surrounding SBSs, and each The BFT of the SBS and its surrounding APs, and the BFT of each AP and its surrounding UEs.
[0099] The BFT between MBS and surrounding SBSs includes the following steps:
[0100] A1. Send training request phase: MBS sends training request beacon frames in all corresponding beams at the same time to start the training process between MBS and SBS;
[0101] B1. Waiting for the training response phase: each SBS that receives the training request beacon frame randomly selects a response time slot, so as to send the training response beacon frame in all corresponding beams at the same time;
[0102] C1. Processing response conflict sta...
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The invention discloses a BFT-based wireless access method under a millimeter wave cellular network, adopting a three-layer BFT mechanism to realize BFT between an MBS and surrounding SBSs, BFT between each SBS and its surrounding APs, and between each AP and its surrounding UEs BFT. The invention also discloses a communication method including the BFT-based wireless access method under the millimeter wave cellular network. The present invention can reduce the workload of the summary node in the BFT process, and can reduce the communication cost in the BFT process, so that the BFT mechanism can adapt to the growth of the communication network scale; the beam direction, beam width and node transmission power of the nodes in the communication network can be adjusted, Reduce the interference between nodes in the communication process; improve the overall network throughput and reduce the energy consumption in the communication network as much as possible; finally, the method of the present invention can significantly improve the average energy efficiency and average throughput of a single link in the communication network .
Description
technical field [0001] The invention belongs to the communication field, and in particular relates to a BFT-based wireless access method and a communication method under a millimeter wave cellular network. Background technique [0002] With the development of economy and technology and the improvement of people's living standards, the rapid popularization of mobile Internet and Internet of Things has led to continuous high demand for network capacity in the future. Since the spectrum resources in the traditional cellular frequency bands have been exhausted, the millimeter wave (mmWave) frequency band has become a new source of spectrum supply. It has abundant spectrum resources, so it can support wireless transmission at high data rates. Millimeter wave communication technology has been successfully applied in the fifth generation (the fifth generation, 5G) cellular system and wireless local area network (wireless local area network, WLAN). However, it is necessary to overc...
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IPC IPC(8): H04B7/06H04W72/10H04W84/12
CPCH04B7/0695H04B7/0617H04W84/12H04W72/56Y02D30/70
Inventor 桂劲松刘江林
Owner CENT SOUTH UNIV