Network Coding Based on Soft Feedback

A coding and transceiver technology, applied in the field of network coding based on soft feedback, can solve problems such as affecting system throughput and disadvantages

Inactive Publication Date: 2016-11-23
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] A disadvantage of the communication techniques described above is that they do not utilize the energy received by the receiving node in a particularly efficient manner, which adversely affects the throughput of the system, as well as the system delay and the power and energy efficiency of the system

Method used

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  • Network Coding Based on Soft Feedback
  • Network Coding Based on Soft Feedback
  • Network Coding Based on Soft Feedback

Examples

Experimental program
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Embodiment Construction

[0028] figure 1 A schematic outline of a system 100 in which the present invention may be used is shown. Thus, as can be seen, the invention is primarily intended for use in a cellular radio telecommunication system 100 in which there is a "base station" RBS 110 for controlling traffic to and from a user terminal UE and a cell 140 of the system. exist figure 1 In , two UEs 120, 130 are shown as an example, but the number of UEs may of course vary.

[0029] However, while the cellular telephone system is the primary "target" of the present invention, those skilled in the communications arts will, upon reading this text, appreciate that the present invention is also applicable to other fields of wireless communications, and indeed the present invention is also applicable in which A "wire-bound" system of a sender and multiple "subscribers" to which the sender wants to transmit data.

[0030] Therefore, from now on the invention will be described with the aid of the accompanyi...

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PUM

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Abstract

A method (1000) for use in a communication system (100, 200, 400) having a first transceiver (110) in the communication system (100, 200, 400), the first transceiver sending A second transceiver (120) and a third transceiver (130) transmit data packets. At least the second transceiver (120) may transmit (1010) to the first transceiver (100) a quality value indicative of the quality of reception of one or more data packets (300) that the second transceiver has received, the first transceiver ( 110) Can use this quality value to modify (1015) its data transmission. The second transmitter (120) listens for data packets intended for itself and for said third transmitter (130), and the quality value transmitted by the second transceiver (120) is based (1025) on one or more The reception quality of each of said data packets, and the reception quality value is expressed (1030) as one of a plurality of possible such values.

Description

technical field [0001] The present invention discloses a method for use in a communication system in which there is a first transmitting node which can transmit data to at least a first and a second receiving node in the system. At least one of the first and second receiving nodes may transmit to the first transmitting node a value indicative of the quality of reception of the data received in the receiving node, which the first transmitting node may use to modify its transmissions to the receiving node. Background technique [0002] The invention is of course not uncommon in the field of communication systems, in particular in systems where there is a node with information transmitted to several other nodes in the system, such as cellular radio networks, where in a cell There are multiple users and "base stations," nodes that control traffic to and from those users. [0003] An essential goal in communication systems is to transmit information reliably and efficiently. Ef...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): H04L1/18H04H20/16H04B7/15H04L47/52
CPCH04L1/0026H04L47/263H04L47/38H04L47/522H04L47/626H04L2001/0097H04W24/00H04W28/18H04W84/042H04L1/20H04W28/0205H04W28/0284H04L47/10H04L47/26H04L49/90H04W8/04H04W28/04
InventorP·拉森
OwnerTELEFON AB LM ERICSSON (PUBL)