IN2014KN01410A - - Google Patents

Info

Publication number
IN2014KN01410A
IN2014KN01410A IN1410KON2014A IN2014KN01410A IN 2014KN01410 A IN2014KN01410 A IN 2014KN01410A IN 1410KON2014 A IN1410KON2014 A IN 1410KON2014A IN 2014KN01410 A IN2014KN01410 A IN 2014KN01410A
Authority
IN
India
Prior art keywords
codewords
codeword
scheduling blocks
levels
mcs
Prior art date
Application number
Inventor
Ping Yu
Girum Alebachew Fantaye
Xixian Chen
Hong Ren
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IN2014KN01410A publication Critical patent/IN2014KN01410A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0042—Intra-user or intra-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H04L5/0046—Determination of the number of bits transmitted on different sub-channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Methods of performing link adaptation in a wireless communication system for simultaneous transmission of codewords include selecting initial modulation and coding scheme (MCS) levels for the codewords estimating a size ratio of the codewords determining a number of scheduling blocks (SB) for the codewords with the initial MCS levels and determining revised MCS levels for the codewords in response to the determined number of SBs. Transport block sizes are computed for the codewords and it is determined if there is a need to increase the number of scheduling blocks in at least one of the codewords. If there is a need to increase the number of scheduling blocks in a codeword scheduling blocks are added to the codeword and the transport block size for the codeword is recomputed. The codewords are then simultaneously transmitted over different multiple input multiple output (MIMO) communication channels using the same time and frequency resources.
IN1410KON2014 2012-01-03 2013-01-03 IN2014KN01410A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/342,650 US9014135B2 (en) 2012-01-03 2012-01-03 Methods and apparatus for link adaptation for single user and multi-user MIMO
PCT/IB2013/000001 WO2013102839A2 (en) 2012-01-03 2013-01-03 Methods and apparatus for link adaptation for single user and multi-user mimo

Publications (1)

Publication Number Publication Date
IN2014KN01410A true IN2014KN01410A (en) 2015-10-23

Family

ID=47833308

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1410KON2014 IN2014KN01410A (en) 2012-01-03 2013-01-03

Country Status (4)

Country Link
US (1) US9014135B2 (en)
EP (1) EP2801165B1 (en)
IN (1) IN2014KN01410A (en)
WO (1) WO2013102839A2 (en)

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US10003433B2 (en) 2014-11-14 2018-06-19 Telefonaktiebolaget L M Ericsson (Publ) Statistical model based control signal outer-loop adjustment
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US20170163390A1 (en) * 2015-11-02 2017-06-08 Tejas Networks Limited System and method for using ofdm redundancy for optimal communication
WO2017078464A1 (en) * 2015-11-04 2017-05-11 엘지전자(주) Method for transmitting and receiving downlink data in wireless communication system, and apparatus therefor
WO2017096558A1 (en) * 2015-12-09 2017-06-15 Qualcomm Incorporated Flexible resource mapping and mcs determination
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Also Published As

Publication number Publication date
WO2013102839A2 (en) 2013-07-11
EP2801165B1 (en) 2018-05-09
WO2013102839A3 (en) 2013-12-27
EP2801165A2 (en) 2014-11-12
US20130170469A1 (en) 2013-07-04
US9014135B2 (en) 2015-04-21

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