Data transmission method

A technology for data transmission and data, applied in the field of data transmission, can solve the problem of no online users, and achieve the effect of avoiding PUCCH resource ping-pong handover and quickly realizing data transmission

Active Publication Date: 2015-04-29
POTEVIO INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] For interactive services with a small amount of data, such as QQ chat, etc., if data transmission is realized through random access and allocation of PUCCH, the online activation process will be frequently triggered, resulting in ping-pong PUCCH resource allocation.
Due to too many users in the cell, there will be no PUCCH resource allocation for online users

Method used

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  • Data transmission method

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Embodiment Construction

[0034] In order to make the object, technical solution and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0035] In the embodiment of the present invention, the user and the base station perform uplink synchronization through message 1, message 2, message 3 and message 4 during the uplink synchronization process. Make full use of the message 3 sent by the UE to the eNB during the uplink synchronization process. Due to the small amount of data, the user's uplink data is carried in the message 3, instead of using the PUCCH resource to apply for uplink resources to transmit the user's uplink data. Furthermore, it is avoided that the characteristic of the interactive service with a small amount of data causes PUCCH resource ping-pong switching.

[0036] See attached figure 1 It is a schematic flow chart of a data transmission method, specifi...

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Abstract

A data transmission method comprises the following steps: when an on-line user transmits up data, fixed resource authorization is allocated to the up data including group A lead codes and resource authorization is allocated to the up data including group B lead codes according to the current resources; a message sent to a base station by the terminal on the resource authorization carries cell radio network temporary identities C-RNTI and up data; the base station determines that the reason why the on-line user enters the on-line state is no data transmission according to C-RNTI and receives the up data in the message. After adoption of the embodiment, the message is used for data transmission, so that quick data transmission can be realized, and ping-pang allocation of the PUCCH resource, caused by a frequent on-line transcriptional activation process of small-data interactive service, is avoided.

Description

technical field [0001] The present application relates to the technical field of communications, and more specifically, to a data transmission method. Background technique [0002] During data transmission, if the terminal is in the uplink synchronization state, the network considers the user to be in the active state and belong to the active user. Activated users can use physical uplink control channel (PUCCH) resources to apply for uplink scheduling resources at any time for data transmission. If the terminal is in the uplink out-of-sync state, the network considers that the user is in the online state and belongs to the connected online user. An online user is defined as an out-of-link uplink with an RRC connection and no PUCCH / uplink listening reference signal SRS resource. [0003] The main scenarios for converting a currently active user to an online user include situations where the TA timer expires or the SR reaches the maximum number of transmissions. When the cu...

Claims

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Application Information

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IPC IPC(8): H04L1/00
CPCH04L5/0044H04L5/0053H04W4/20H04W72/21
Inventor 张书园
Owner POTEVIO INFORMATION TECH
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