V2X business transmission method
A transmission method and service technology, applied in the field of communication, can solve problems such as not providing V2X service transmission, unable to meet V2X requirements, etc., to achieve timely and fast transmission, and meet the effect of delay requirements
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[0030]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 described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented.
[0031] In general, V2X services require low latency and high reliability, and can be transmitted through the Uu port and / or PC5 port. The D2D communication is based on the PC5 port to realize broadcast transmission. Aiming at the characteristics and requirements of V2V, the embodiment of the present invention performs a new design on the air interface channel of LTE-A, an evolution technology of the Long Term Evolution technology. For logical channels, the MAC layer divides multiple logical channel types according to the type of information to be transmitted, and provides diff...
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