Uplink and downlink small data transmission method and device

Uplink and downlink small data transmission method and device

  • CN 107,241,764 B
  • Filed: 03/29/2016
  • Issued: 11/06/2020
  • Est. Priority Date: 03/29/2016
  • Status: Active Grant
First Claim
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1. A method for transmitting uplink small data is characterized by comprising the following steps:

  • determining uplink small data to be sent and a target cellular communication Internet of things service gateway node C-SGN on User Equipment (UE) in an Idle state;

    sending uplink small data and a target C-SGN identifier to a base station through an air interface random access process;

    wherein the method further comprises;

    sending adjacent cell information detected by UE to a base station, wherein the adjacent cell information is used for indicating the base station to determine a target base station list capable of performing downlink data transmission to the UE according to the adjacent cell information, and sending the target base station list to the C-SGN;

    or sending the adjacent cell information detected by the UE to the C-SGN, wherein the adjacent cell information is used for indicating the C-SGN to determine a target base station list for downlink data transmission to the UE according to the adjacent cell information.

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