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Method and arrangement in a telecommunication system with signalling of assigned data packets in a bundling window

A technology of data grouping and bundling windows, applied in the direction of digital transmission system, transmission system, electrical components, etc., can solve the problems of adverse effects of throughput and latency performance, increased delay, undesired etc.

Active Publication Date: 2015-06-17
OPTIS WIRELESS TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] Thus, a lost downlink assignment will generally cause block errors that need to be corrected by higher layer protocols, which in turn has an adverse effect on performance in terms of throughput and latency
Additionally, increased latency can lead to undesirable interactions with TCP-based applications

Method used

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  • Method and arrangement in a telecommunication system with signalling of assigned data packets in a bundling window
  • Method and arrangement in a telecommunication system with signalling of assigned data packets in a bundling window
  • Method and arrangement in a telecommunication system with signalling of assigned data packets in a bundling window

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Embodiment Construction

[0044] In simple terms, the solution of the present invention can be summarized as follows: the base station transmits the data packets contained in the bundling window to the mobile terminal while providing the mobile terminal with the minimum total number of data packets scheduled to be transmitted to the mobile terminal in the bundling window Knowledge, that is, information. In this way, the mobile terminal can determine whether the data packet transmitted from the bundling window is received and detected.

[0045] The present invention is defined as methods and arrangements that can be implemented in the embodiments described below.

[0046] figure 2 A wireless telecommunication system 100 is shown, such as E-UTRAN, also known as LTE, 3rd Generation Partnership Project (3GPP) WCDMA system or Global System for Mobile Communications / Enhanced GSM Evolution Data Transmission Rate (GSM / EDGE). The telecommunications system 100 uses TDD and includes a base station 110 and a mobile t...

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Abstract

A method for sending a data packet from a base station to a mobile terminal includes signalling to the mobile terminal in a first subframe of a radio channel a first downlink assignment of a first data packet of a bundling window. The bundling window represents a number of data packets, already transmitted or to be transmitted to the mobile terminal, that are to be confirmed by the mobile terminal. The downlink assignment represents information about a minimum total number of data packets within the bundling window that are scheduled to be transmitted to the mobile terminal. The method also includes transmitting data packets from a base station in subframes of the radio channel using the bundling window.

Description

Technical field [0001] The present invention relates to a method and arrangement in a base station and a method and arrangement in a mobile terminal. Specifically, it relates to downlink assignments. Background technique [0002] A key requirement for Long Term Evolution (LTE) in 3GPP wireless communication systems is frequency flexibility for transmission between radio base stations and mobile terminals over radio links. For this reason, the carrier bandwidth between 1.4MHz and 20MHz is supported as frequency division duplex (FDD) and time division duplex (TDD), making it possible to use paired and unpaired spectrum. For FDD, the downlink, that is, the link from the base station to the mobile terminal, and the uplink, that is, the link from the mobile terminal to the base station, use different frequencies of the so-called "pair spectrum", and therefore can be transmitted simultaneously. For TDD, the uplink and downlink use the same frequency "unpaired spectrum" and cannot be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/18H04W72/04H04L1/16
CPCH04L1/1621H04L1/1635H04L1/1867H04L1/1896H04W72/1273H04W72/23
Inventor D·阿斯特利T·里登胡旸
Owner OPTIS WIRELESS TECH LLC
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