Keep-alive method, keep-alive device and keep-alive system in wireless network

A wireless network and keep-alive technology, applied in wireless communication, transmission system, network traffic/resource management, etc., can solve the problems of large access resources, large collision overhead, and cost outweighing the cost, so as to reduce data transmission delay, reduce The number of signaling interactions and the amount of interactions, and the effect of reducing energy consumption overhead

Active Publication Date: 2015-03-25
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Although the above solution saves RRC and NAS signaling resources, it still potentially consumes a large amount of access resources or causes a large collision overhead, especially for small data packet access such as keep-alive information. The loss outweighs the gain

Method used

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  • Keep-alive method, keep-alive device and keep-alive system in wireless network
  • Keep-alive method, keep-alive device and keep-alive system in wireless network
  • Keep-alive method, keep-alive device and keep-alive system in wireless network

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Embodiment Construction

[0060] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0061] figure 2 The flow chart of the keep-alive method in the wireless network provided by the embodiment of the present invention, such as figure 2 As shown, the specific steps are as follows:

[0062] Step 201: The eNB allocates contention resources dedicated to the transmission of keep-alive data, broadcasts a keep-alive contention resource indication message in the network, and the message carries a keep-alive-radio network temporary identifier (KA-RNTI, Keep Alive-Radio Network Temporary Identifier) ​​and Competing resource information.

[0063] The eNB can adjust the contention resources in real time according to the usage of the transmission resources.

[0064] Among them, KA-RNTI is pre-defined, and is used to indicate that the message is a message dedicated to allocating contention resources for transmission of keep-ali...

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Abstract

The invention provides a keep-alive method, a keep-alive device and a keep-alive system in a wireless network. The keep-alive method comprises the following steps that an eNB (evolved Node Base) distributes competitive resources specially used for transmitting keep-alive data, and the competitive resources are broadcasted in the network; and UE (User Equipment) receives the competitive resources transmitted by the eNB, selects resources from the competitive resources and utilizes the selected resources to transmit keep-alive information to the eNB, and the keep-alive information carries a UE identifier and the keep-alive data. Through reducing interaction between the eNB and the UE, the keep-alive expenditure in the wireless network is reduced, so that the data transmission time delay is further reduced.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a keep-alive method, device and system in a wireless network. Background technique [0002] With the emergence of a large number of applications supporting keep-alive, the keep-alive small data packet will also greatly affect the transmission efficiency of the cellular network, especially the efficiency of wireless signaling transmission. However, the existing signaling simplification packet delivery scheme still relies on the user's initial access synchronization, potentially causing a large amount of access overhead; There are many signaling optimization schemes, and these schemes are mainly suitable for weak mobile MTC applications, and it is difficult to meet the connectionless transmission requirements of keep-alive information. [0003] In response to the above problems, a transmission scheme of "simplified signaling transmission supporting small dat...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04L29/06
CPCH04W28/16H04W72/20
Inventor 陈亚迷李刚
Owner CHINA MOBILE COMM GRP CO LTD
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