Method and device for data transmission

  • US 10,616,796 B2
  • Filed: 12/22/2015
  • Issued: 04/07/2020
  • Est. Priority Date: 03/06/2015
  • Status: Active Grant
First Claim
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1. A method for data transmission, comprising steps of:

  • determining, by a transmitting end, a protocol layer structure and/or a protocol layer function to be used for uplink/downlink data transmission in accordance with a configuration at a network side, wherein the protocol layer structure and/or protocol layer function configured at the network side is determined in accordance with a transmission requirement of a terminal; and

    transmitting, by the transmitting end, data in accordance with the determined protocol layer structure and/or protocol layer function,wherein the step of determining, by the transmitting end, the protocol layer structure to be used for the uplink/downlink data transmission in accordance with the configuration at the network side comprises;

    determining, by the transmitting end, the protocol layer structure to be used for the uplink/downlink data transmission in accordance with the configuration at the network side as at least one of the followings protocol layers;

    a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control (RLC) layer and a Medium Access Control (MAC) layer, andthe step of transmitting by the transmitting end, the data in accordance with the determined protocol layer structure comprises;

    organizing, by the transmitting end, the data in accordance with the determined protocol layer structure, and transmitting, by the transmitting end, the organized data,wherein in the case that the MAC layer is used for the uplink/downlink data transmission, the transmission requirement of the terminal comprises at least one of the followings;

    no header compression or air-interface encryption/decryption is required;

    a size of a data packet to be transmitted is smaller than a predetermined threshold;

    one data packet is transmitted each time with respect to one bearer, and data packet concatenating is not required; and

    the terminal is capable of receiving the data from a plurality of bearers simultaneously; and

    the step of organizing, by the transmitting end, the data in accordance with the determined protocol layer structure comprises;

    adding, by the transmitting end, an MAC header to a high-layer data packet through the MAC layer.

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