Transmission resource indication method and network equipment
一种网络设备、传输资源的技术，应用在传输资源指示方法和网络设备领域，能够解决终端无法获得传输资源配置信息、降低通信可靠性和及时性、不能保证等问题
Active Publication Date: 2020-12-15
HUAWEI TECH CO LTD
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Problems solved by technology
The WAVE system has the following advantages: easy deployment, low cost, mature technology, and is suitable for transmission between vehicles, but it also has corresponding disadvantages: when there are many vehicles in the system, resource conflicts are prone to occur, and the system performance is poor. The delay is uncontrollable, the Quality of Service (QoS) cannot be guaranteed, and the transmission distance is limited. In addition, the WAVE system needs to deploy a large number of RSUs, and the cost is too high
[0006] However, when using the cellular network for vehicle-to-vehicle communication, there may still be the following problems: In the IC scenario, because the terminal moves at a high speed, it is possible that the terminal can only detect the synchronization signal, or the terminal can detect certain system If the transmission resource configuration information required by the terminal for vehicle-to-vehicle communication is carried in the system message or broadcast message, the terminal may not be able to obtain the transmission resource configuration information
In the OOC scenario, all terminals in the cluster transmit on pre-configured competing resources, but as the number of terminals in the cluster increases, large resource conflicts and transmission delays will occur, thereby reducing the reliability of communication sex and timeliness
Method used
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[0133] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0134] Applying LTE technology to the Internet of Vehicles system is called the Internet of Vehicles LTE (LTE-Vehicle, LTE-V) system. figure 1 It is a schematic diagram of the LTE-V system architecture. Such as figure 1 As shown, in the LTE-V system, eNB11 covers cell 12, including vehicle 13 and vehicle 14 in cell 12, including vehicle 15, vehi...
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Provided are a transmission resource indication method and a network device. The transmission resource indication method comprises: a first network device detecting a synchronisation signal sent by a second network device, the synchronisation signal comprising transmission resource configuration information of a cell or a cluster where the first network device is located; and the first network device acquiring the transmission resource configuration information of the cell or the cluster where the first network device is located from the synchronisation signal. The transmission resource indication method and the network device provided in the embodiments of the present invention indicate the transmission resource configuration information by using the synchronisation signal, so as to provide a flexible resource indication method applicable to communication in the Internet of Vehicles and a D2D communication system.
Description
technical field [0001] The embodiments of the present invention relate to the technical field of wireless communication, and in particular, to a transmission resource indication method and network equipment. Background technique [0002] In recent years, the Internet of Vehicles communication has attracted more and more attention. The Internet of Vehicles system can improve the safety and reliability of road traffic through the communication between vehicles and roadside units (Roadside Unit, RSU). traffic efficiency. [0003] The Internet of Vehicles system in the United States is also called Wireless Access in the Vehicular Environment (WAVE), and its physical layer adopts the Institute of Electrical and Electronics Engineers (IEEE) 802.11p protocol, which is a Communication protocol extended by IEEE 802.11 standard. IEEE 802.11p is mainly used for in-vehicle electronic wireless communication. It is essentially an extension of IEEE 802.11 and is in line with the relevant...
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IPC IPC(8): H04W16/02
CPCH04W16/02
Inventor 赵振山孙卫军
Owner HUAWEI TECH CO LTD
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