A processing method and system for hybrid automatic retransmission and a terminal

A hybrid automatic retransmission and terminal technology, applied in transmission systems, digital transmission systems, error prevention, etc., can solve problems such as increasing cost and increasing complexity

Active Publication Date: 2018-11-16
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this requires the receiver of the terminal to store 16 data blocks, which also requires the terminal to have a large data buffer area and strong service processing capabilities. For services mainly used for low data transmission volume and high delay tolerance For the terminal, it needs to increase the complexity and increase the cost

Method used

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  • A processing method and system for hybrid automatic retransmission and a terminal
  • A processing method and system for hybrid automatic retransmission and a terminal
  • A processing method and system for hybrid automatic retransmission and a terminal

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specific Embodiment 1

[0127] In specific embodiment one, the above-mentioned notification method of "notifying its hybrid automatic retransmission capability to the network side device" and the above-mentioned hybrid automatic retransmission of "simultaneous limited downlink hybrid automatic retransmission capability and limited uplink hybrid automatic retransmission capability" are used Ability method. In addition, the terminal notifies the network side device of its hybrid automatic retransmission capability through a terminal capability information message (UE Capability Information) in the attach process.

[0128] The process of terminal A reporting its own hybrid automatic retransmission capability to the network side is as follows: figure 2 Shown:

[0129] Step 201: Terminal A initiates a random access procedure in the cell where it resides, and establishes a radio resource control (RRC) connection.

[0130] Step 202: In the process of establishing the RRC connection, the terminal A sends an attac...

specific Embodiment 2

[0152] In the second specific embodiment, the aforementioned notification method of "notifying the network-side device of the identifier indicating the hybrid automatic retransmission capability" is used. In addition, the terminal notifies the identification to the network side device through a radio resource control connection request (RRC Connection Request) message. Such as Figure 4 As shown, specifically including:

[0153] Step 401: Terminal A initiates random access in the cell where it resides, and sends an RRC connection request (RRC Connection Request) message to the base station to which the cell belongs.

[0154] In this embodiment, in order to implement the present invention, terminal A carries an identifier representing the hybrid automatic repeat capability in the RRC ConnectionRequest message. This identifier can be a low-speed terminal identifier, or a low-cost terminal identifier, or For the low-priority terminal identifier, an information element can be added to...

specific Embodiment 3

[0166] In the third specific embodiment, the aforementioned notification method of "notifying the network-side device of the identifier indicating the hybrid automatic retransmission capability" is used. In addition, the terminal notifies the network-side device of an identifier indicating that it has limited hybrid automatic retransmission capability through a radio resource control connection setup complete (RRC Connection SetupComplete) message. Such as Figure 5 As shown, specifically including:

[0167] Step 501: Terminal A initiates random access in the cell where it resides, and sends an RRC connection request (RRC Connection Request) message to the base station to which the cell belongs.

[0168] Step 502: After receiving the RRC connection request (RRC Connection Request) message sent by the terminal, the base station sends an RRC connection setup (RRC Connection Setup) message to the terminal A.

[0169] Step 503: After receiving the RRC Connection Request (RRC Connection...

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Abstract

A method, system, and device for handling a hybrid automatic repeat request. The method comprises: a network side device receiving a hybrid automatic repeat request capability of a terminal as notified by the terminal or an identifier expressing the hybrid automatic repeat request capability; and the network side device scheduling a resource for the terminal on the basis of the hybrid automatic repeat request capability of the terminal.

Description

Technical field [0001] The present invention relates to the field of mobile communication, in particular to a processing method and system of hybrid automatic retransmission and a terminal. Background technique [0002] With the rapid development of wireless communication technology, many new communication technologies have been born on the basis of traditional communication technologies. These new communication technologies have spawned various communication business needs, such as smart phones (Smart Phone) and machine type communication. MTC (Machine Type Communication, MTC for short), etc. The salient characteristics of these new communication services, such as: the type of service involved is relatively single, the amount of data transmitted (received and sent) is small, and some services have delay tolerance. [0003] In the existing communication protocol framework, the Hybrid Automatic Repeat-reQuest (Hybrid Automatic Repeat-reQuest, HARQ for short) technology used by the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/18H04W72/12
CPCH04L1/1893
Inventor 艾建勋许英奇邓云
Owner ZTE CORP
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