Hybrid automatic forward request entity and its data block submission method

A technology of hybrid automatic retransmission and request entity, which is applied in the field of mobile communication and can solve the problems of data transmission waiting delay and so on

Inactive Publication Date: 2007-10-24
HUAWEI TECH CO LTD
View PDF0 Cites 23 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In practical application, the above scheme has the following problems: there is still unnecessary time delay in the existing data transmission method
[0008] The main reason for this situation is that when the MAC layer of the receiving end performs HARQ rearrangement on the received data blocks in the prior art, if it is found that the data block with the sequence number before it is not received correctly, the Subsequent data blocks are put into the rearrangement cache to wait and start the timer until the original missing data block is correctly receive

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Hybrid automatic forward request entity and its data block submission method
  • Hybrid automatic forward request entity and its data block submission method
  • Hybrid automatic forward request entity and its data block submission method

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0036] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0037] The core of the present invention is that the HARQ entity at the receiving end receives the data blocks from the sending end through each HARQ process, and puts the correctly received data blocks into the rearrangement buffer for sorting, and the rearrangement buffer uploads the sequentially correctly received data blocks after sorting to At the upper layer, when the rearrangement cache receives the first data block with a sequence number in advance, it starts a timer. When each data block whose sequence number is before the first data block has been confirmed to be lost or received correctly, the rearrangement buffer does not need to wait for the timer to expire, and immediately except for the lost data block, the data that has been continuously received co...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The related data block report method for HARQ entity comprises: if the reordered buffer on HARQ receive end advanced receives the first data block with latter number, it starts the timer; before timer overtime, if all data blocks before the first one are determined missing or receiving rightly, it reorders the data block except the missing and reports to the super layer. This invention reduces reordering time to fast trigger re-transmission of ARQ.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a Hybrid Automatic Repeat Request (HARQ for short) technology. Background technique [0002] Wideband Code Division Multiple Access (WCDMA for short) is one of the three major third generation mobile communication (The Third Generation, "3G" for short) systems in the world at present. The WCDMA system consists of three parts, namely Core Network (Core Net, referred to as "CN"), Universal Mobile Telecommunications System Terrestrial Radio Access Network (UMTS Terrestrial RadioAccess Network, referred to as "UTRAN") and User Equipment (User Equipment, referred to as "UE"). ")composition. [0003] The earliest protocol version of WCDMA is Release 99 (R99). In this version, the bearer of uplink and downlink services is based on dedicated channels, and the maximum data transmission rate that can be achieved is 384Kbps. With the increase of users' requirements for data tra...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H04L1/18
Inventor 邵飞
Owner HUAWEI TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap