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Application layer FEC framework for WIGIG

An application layer, AL-FEC technology, applied in the direction of error correction/detection using convolutional codes, error correction/detection using linear codes, error correction/detection using block codes, etc., can solve high packet loss rate, Automatic retransmission requests, long interruptions, etc. are not allowed

Inactive Publication Date: 2012-11-14
SAMSUNG ELECTRONICS CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0004] However, the WiGig specification does not allow the use of Automatic Repeat Request (ARQ) schemes during broadcast / multicast transmissions
Furthermore, ARQ is not the most effective error control scheme in time-sensitive applications (e.g., multimedia, gaming, etc.), especially when the channel suffers from long outages and slow When the packet loss rate is high

Method used

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  • Application layer FEC framework for WIGIG
  • Application layer FEC framework for WIGIG
  • Application layer FEC framework for WIGIG

Examples

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Embodiment Construction

[0027] discussed below Figure 1 to Figure 10 And the various embodiments used to describe the principles of the present disclosure in this patent document are by way of illustration only and should not be construed in any way to limit the scope of the present disclosure. While the described embodiments may be indicative of WiGig enabled devices, those skilled in the art will understand that the principles of the present disclosure may be implemented in any suitably arranged wireless communication system.

[0028] figure 1 A WiGig enabled wireless network 100 is shown in accordance with the principles of the present disclosure. In the illustrated embodiment, wireless network 100 includes access point (AN) 102 , mobile device 104 , display device 106 , personal computer (PC) 108 , and camera 110 . AN 102 may be a router, base station, cable box, or any device that receives data services. Mobile device 104 may be any portable device, such as a cellular phone, personal digital...

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Abstract

A method and apparatus perform forward error correction in a wireless communication device in a wireless communication network. Application layer forward error correction (AL-FEC) capability information is transmitted during a capabilities exchange. A single parity check (SPC) AL-FEC code is applied on a set of k source packets to encode systematic packets for the source packets and at least one parity packet. A header of each encoded packet includes a parity packet indicator. The encoded packets are processed in a media access control (MAC) layer and a physical (PHY) layer for transmission.

Description

technical field [0001] This application relates generally to reliable data transmission over wireless connections, and more particularly to a method for implementing forward error correction (FEC) architecture at the application layer for communication over Wireless Gigabit Alliance (WiGig) links Methods and Equipment. Background technique [0002] The high demand for reliable multimedia transmission over wireless connections presents great challenges to engineers. Typically, video media requires high transfer rates under latency constraints. Additionally, media is sent over broadcast channels, such as streaming of TV channels, or over multicast channels, such as delivering video encapsulated in large files to many users. The properties of these channels, in addition to delay constraints, rule out the option of having a feedback channel for acknowledging the success of the transmission. As a result, in such cases, alternative techniques are required to ensure the reliabil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L29/02H04L27/26
CPCH03M13/2906H03M13/19H04L1/0041H03M13/23H03M13/2707H03M13/373H03M13/098H03M13/1102H03M13/2966H03M13/3761H04L1/0057
Inventor 沙迪·阿布-苏拉埃兰·皮塞克法鲁克·乌·克汉
Owner SAMSUNG ELECTRONICS CO LTD
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