Time slot reservation method based on tdma frame structure of directional multi-beam antenna

A multi-beam antenna and time slot reservation technology, which is applied in wireless communication, multiplexing communication, radio transmission system, etc., can solve problems such as complex process, conflict processing lag, difficulty in guaranteeing business service quality requirements, etc., to reduce Conflicts, Simplified Discovery Process, Good Service Quality Guarantee

Active Publication Date: 2021-08-17
SHANGHAI JIAO TONG UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, this method of conflict resolution is complicated, the conflict resolution is lagging, and it is difficult to guarantee the service quality requirements of the business

Method used

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  • Time slot reservation method based on tdma frame structure of directional multi-beam antenna
  • Time slot reservation method based on tdma frame structure of directional multi-beam antenna
  • Time slot reservation method based on tdma frame structure of directional multi-beam antenna

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Embodiment Construction

[0037] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

[0038] Such as Figure 1 to Figure 12 Shown, the time slot reservation method of the present invention based on the TDMA frame structure of directional multi-beam antenna comprises the following steps:

[0039] Step 1, setting up a network node in the form of a directional multi-beam antenna, the directional multi-beam antenna generates multiple transmit beams and multiple receive beams at the same time, and the duplex working mode of the directional multi-beam antenna is full-duplex mode;

[0040] Step 2, the time frame of the TDMA frame structure is divided into three sections: a neighbor node discovery section, a time slot reservation section, and a data transmission section;

[0041] Step 3. Maintain and establish two tables for each node in the network. The two tables include the n...

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Abstract

The invention discloses a time slot reservation method based on a TDMA frame structure of a directional multi-beam antenna, which includes the following steps: step 1, setting a network node in the form of a directional multi-beam antenna, and the directional multi-beam antenna simultaneously generates multiple transmission beams and Multiple receiving beams, the duplex working mode of the directional multi-beam antenna is full-duplex mode; step 2, the time frame of the TDMA frame structure is divided into three sections: a neighbor node discovery section, a time slot reservation section, and a data transmission section. The time slot reservation method based on the TDMA frame structure of the directional multi-beam antenna in the present invention introduces the directional multi-beam antenna into the Ad Hoc network, simplifies the neighbor node discovery process, and utilizes the access priority mechanism, queue priority mechanism and RTS / CTS / CONF three-step handshake realizes efficient and conflict-free reservation of data time slots, significantly improves network capacity, reduces conflicts, and provides better quality of service guarantee.

Description

technical field [0001] The invention relates to a time slot reservation method, in particular to a time slot reservation method based on a TDMA frame structure of a directional multi-beam antenna. Background technique [0002] With the improvement of user requirements and the development of antenna technology, more and more researches apply directional antennas to wireless Ad hoc networks. The Ad Hoc network is a temporary autonomous system composed of a group of mobile nodes with wireless transceiver capabilities. It has the characteristics of no center, self-organization, self-healing, multi-hop network topology and dynamic changes. and other fields have a wide range of applications. The omnidirectional antenna used in the traditional Ad Hoc network seriously limits the performance of the network. Therefore, introducing the directional antenna into the Ad Hoc network has become a research hotspot. Applying directional antenna technology to wireless AdHoc networks can red...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/24H04W48/16H04J3/06H04B7/0408
CPCH04B7/0408H04J3/0652H04W40/246H04W40/248H04W48/16
Inventor 贡佩君耿军平梁仙灵朱卫仁贺冲金荣洪
Owner SHANGHAI JIAO TONG UNIV
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