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Method and system of cooperative communication among vehicle-mounted mobile stations

A vehicle-mounted mobile and cooperative communication technology, applied in wireless communication, electrical components, etc., can solve the problems of increased average path loss, reduced link throughput, and reduced throughput between vehicle-mounted mobile stations and base stations, and achieves flexible resource utilization. , the effect of shortening the distance and increasing the communication capacity

Inactive Publication Date: 2013-05-15
WUXI BUPT SENSING TECH & IND ACADEMY +1
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Problems solved by technology

It can be seen that the communication mode of the base station will reduce the throughput of the link and increase the delay
[0008] Moreover, in the traditional frequency utilization mode, when the location of the base station is far away from the traffic intersection, the average path loss between the vehicle mobile station and the base station increases significantly
In the case that the transmit power does not increase, according to Shannon's formula, as the received signal-to-noise ratio of the signal decreases, the throughput decreases

Method used

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  • Method and system of cooperative communication among vehicle-mounted mobile stations
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Embodiment Construction

[0026] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0027] First, the communication behavior between vehicle-mounted mobile stations and pedestrian users in the scenario without relay is given. Both vehicle-mounted mobile stations and pedestrian users communicate through the base station. It is assumed that the communication in the traffic intersection scene adopts the standard protocol of the LTE cellular mobile system. The duplex mode of the LTE cellular system can be divided int...

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Abstract

The invention discloses a method and a system of cooperative communication among vehicle-mounted mobile stations. The method comprises that a relay station is installed at a traffic intersection; two links are built, the two links comprise a communication link (V2R) and a communication link (R2V), wherein the vehicle-mounted mobile stations send signals to the relay station through the communication (V2R), and the relay station sends signals to the vehicle-mounted mobile stations through the communication (R2V); and among the vehicle-mounted mobile stations, communication is achieved through the two links. The method and the system solve the technical problems that under a traditional transmission mode without the relay station, when a base station is far away from the traffic intersection, signal loss between the vehicle-mounted mobile stations and the base station is overlarge to lead to poor receptivity, and therefore, the throughput of the system is improved on the condition that transmitted power is not increased.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and in particular to a method for adopting a new type of collaborative communication between vehicle-mounted mobile stations in a traffic intersection scene. Background technique [0002] The research on vehicle communication (Vehicle Communication, VC) probably started in the field of wireless communication in the 1980s. In the past few years, research in this field has flourished. [0003] Vehicle communication is mainly divided into three categories: Vehicle to Vehicle (V2V) system, Vehicle to Infrastructure (V2I) system, Hybrid Vehicle Communication (HVC) system, such as figure 1 shown. [0004] The V2V system does not require roadside facilities. According to whether other vehicles are needed for data transmission between vehicles, the V2V system is subdivided into a single-hop V2V system (single-hop vehicle-to-vehicle communication Single-hop) and a multi-hop V2V sy...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/12
Inventor 郑侃张颖恺卞玉军龙航
Owner WUXI BUPT SENSING TECH & IND ACADEMY
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