EP1678906A1 - Multiplexage en frequences de flux multiples de donnees dans un systeme sans fil de communication a plusieurs porteuses - Google Patents

Multiplexage en frequences de flux multiples de donnees dans un systeme sans fil de communication a plusieurs porteuses

Info

Publication number
EP1678906A1
EP1678906A1 EP04817335A EP04817335A EP1678906A1 EP 1678906 A1 EP1678906 A1 EP 1678906A1 EP 04817335 A EP04817335 A EP 04817335A EP 04817335 A EP04817335 A EP 04817335A EP 1678906 A1 EP1678906 A1 EP 1678906A1
Authority
EP
European Patent Office
Prior art keywords
data
slots
symbol
slot
interlaces
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP04817335A
Other languages
German (de)
English (en)
Inventor
Rajiv Vijayan
Kent G. Walker
Raghuraman Krishnamoorthi
Ramaswamy Murali
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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
Priority claimed from US10/932,586 external-priority patent/US7221680B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of EP1678906A1 publication Critical patent/EP1678906A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04L5/0039—Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
    • 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—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H04L5/0046—Determination of how many bits are transmitted on different sub-channels
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • 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
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT

Definitions

  • FIGS. 8A and 8B show partitioning of different numbers of packets into slots
  • FIG. 10A shows a block diagram of a demodulator
  • Controllers 140 and 180 direct operation at base station 110 and wireless device 150, respectively.
  • Memory units 142 and 182 provide storage for program codes and data used by controllers 140 and 180, respectively.
  • Controller 140 or a scheduler 144 may allocate system resources for the T data streams.
  • an FDM pilot may be sent on any number of interlaces and on any one of the M interlaces in each symbol period.
  • the FDM pilot may also be sent using any pattern, two of which are shown in FIGS. 4A and 4B.
  • the slot indices are mapped to interlaces in a peimutated manner.
  • the mapping may be performed as follows.
  • the eight interlaces maybe denoted " by an original sequence ⁇ , I 2 , 1 3 , Lj, I 5 , 1 6 , I , 1 8 ⁇ .
  • a peimutated sequence may be formed as ⁇ L . , I 5 , I 3 , I , I , I 6 , L t , I 8 ⁇ .
  • each data stream may be allocated a non- negative integer number of slots in each super-frame, and an integer number of data packets may be sent in each allocated slot.
  • the same coding and modulation scheme may be used for all data packets sent in any given slot.
  • Each data packet may have a size that is dependent on (1) the number of data packets being sent in the slot and (2) the coding and modulation scheme used for that slot. For this scheme, the data packets may have variable sizes.
  • the slots may also be allocated to the data streams in other manners. For clarity, the following description assumes that the first slot allocation scheme is used by the system.
  • Encoder 912 may also generate and append a cyclic redundancy check (CRC) value to each coded packet, which may be used by a wireless device for error detection (i.e., to determine whether the packet is decoded correctly or in error). Encoder 912 may also shuffle the coded packets.
  • CRC cyclic redundancy check
  • N M • S' .

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention porte sur des techniques de multiplexage de multiples flux de données en utilisant le multiplexage en fréquences dans un système MROF. A cet effet on forme M 'entrelacements' disjoints avec U sous-bandes utilisables. Chaque entrelacement est un ensemble différent de S sous-bandes et les sous-bandes de chaque entrelacement sont entrelacées avec les sous-bandes de chacun des autres entrelacements. M créneaux peuvent être définis pour chaque période de symboles et les indices des créneaux, qui vont de 1 à M, peuvent être mis en correspondance avec les entrelacements de manière: (1) à pouvoir atteindre une diversité de fréquences pour chaque indice de créneau et (2) et à conférer aux entrelacements utilisés pour la transmission des pilotes des distances variables avec les entrelacements utilisés pour chaque indice de créneau, afin d'améliorer les résultats de l'évaluation des canaux. On peut ainsi traiter chaque flux de données comme un paquet de données de taille fixe et utiliser un indice différent de créneaux pour chaque paquet de données en fonction du codage et du schéma de modulation utilisé pour le paquet de données.
EP04817335A 2003-10-24 2004-10-21 Multiplexage en frequences de flux multiples de donnees dans un systeme sans fil de communication a plusieurs porteuses Withdrawn EP1678906A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US51431503P 2003-10-24 2003-10-24
US55974004P 2004-04-05 2004-04-05
US10/932,586 US7221680B2 (en) 2003-09-02 2004-09-01 Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system
PCT/US2004/035042 WO2005041515A1 (fr) 2003-10-24 2004-10-21 Multiplexage en frequences de flux multiples de donnees dans un systeme sans fil de communication a plusieurs porteuses

Publications (1)

Publication Number Publication Date
EP1678906A1 true EP1678906A1 (fr) 2006-07-12

Family

ID=34527959

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04817335A Withdrawn EP1678906A1 (fr) 2003-10-24 2004-10-21 Multiplexage en frequences de flux multiples de donnees dans un systeme sans fil de communication a plusieurs porteuses

Country Status (7)

Country Link
EP (1) EP1678906A1 (fr)
JP (1) JP2007509586A (fr)
KR (1) KR100944821B1 (fr)
AU (1) AU2004307449C1 (fr)
BR (1) BRPI0415840A (fr)
CA (1) CA2543771C (fr)
WO (1) WO2005041515A1 (fr)

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KR101002198B1 (ko) 2005-10-27 2010-12-20 퀄컴 인코포레이티드 무선 통신 시스템에 있어서 선택된 인터레이스 모드를할당하는 방법 및 장치
US8199661B2 (en) 2005-10-27 2012-06-12 Qualcomm Incorporated Method and apparatus for processing supplemental and non supplemental assignments
US8457092B2 (en) 2005-06-16 2013-06-04 Qualcomm Incorporated Quick paging channel with reduced probability of missed page
US8761080B2 (en) 2005-03-15 2014-06-24 Qualcomm Incorporated Multiple other sector information combining for power control in a wireless communication system
US9055552B2 (en) 2005-06-16 2015-06-09 Qualcomm Incorporated Quick paging channel with reduced probability of missed page

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US8320301B2 (en) 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US7221680B2 (en) 2003-09-02 2007-05-22 Qualcomm Incorporated Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system
US8477809B2 (en) 2003-09-02 2013-07-02 Qualcomm Incorporated Systems and methods for generalized slot-to-interlace mapping
US8509051B2 (en) * 2003-09-02 2013-08-13 Qualcomm Incorporated Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system
US8599764B2 (en) 2003-09-02 2013-12-03 Qualcomm Incorporated Transmission of overhead information for reception of multiple data streams
US8526412B2 (en) 2003-10-24 2013-09-03 Qualcomm Incorporated Frequency division multiplexing of multiple data streams in a wireless multi-carrier communication system
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
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US8761080B2 (en) 2005-03-15 2014-06-24 Qualcomm Incorporated Multiple other sector information combining for power control in a wireless communication system
US8457092B2 (en) 2005-06-16 2013-06-04 Qualcomm Incorporated Quick paging channel with reduced probability of missed page
US9055552B2 (en) 2005-06-16 2015-06-09 Qualcomm Incorporated Quick paging channel with reduced probability of missed page
US8750908B2 (en) 2005-06-16 2014-06-10 Qualcomm Incorporated Quick paging channel with reduced probability of missed page
US8457042B2 (en) 2005-10-27 2013-06-04 Qualcomm Incorporated Method and apparatus for transmitting and receiving a sectorparameters message in an active state in wireless communication system
US8520628B2 (en) 2005-10-27 2013-08-27 Qualcomm Incorporated Method and apparatus for monitoring other channel interference in wireless communication system
US8289897B2 (en) 2005-10-27 2012-10-16 Qualcomm Incorporated Method and apparatus for processing open state in wireless communication system
US8289908B2 (en) 2005-10-27 2012-10-16 Qualcomm Incorporated Method and apparatus for processing simultaneous assignment in wireless communication systems
US8326330B2 (en) 2005-10-27 2012-12-04 Qualcomm Incorporated Method and apparatus for updating configuration attributes using FastRepage attribute in wireless communication systems
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US8477808B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Method and apparatus of assigning in wireless communication systems
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US8599712B2 (en) 2005-10-27 2013-12-03 Qualcomm Incorporated Method and apparatus for setting reverse link CQI reporting modes in wireless communication system
US8675549B2 (en) 2005-10-27 2014-03-18 Qualcomm Incorporated Method of serving sector maintenance in a wireless communication systems
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US8971222B2 (en) 2005-10-27 2015-03-03 Qualcomm Incorporated Method and apparatus for decrementing assignments in wireless communication systems
US8199661B2 (en) 2005-10-27 2012-06-12 Qualcomm Incorporated Method and apparatus for processing supplemental and non supplemental assignments
US9125078B2 (en) 2005-10-27 2015-09-01 Qualcomm Incorporated Method and apparatus for setting reverse link CQI reporting modes in wireless communication system

Also Published As

Publication number Publication date
KR100944821B1 (ko) 2010-03-03
AU2004307449B2 (en) 2008-11-20
CA2543771C (fr) 2010-04-20
JP2007509586A (ja) 2007-04-12
KR20060086439A (ko) 2006-07-31
AU2004307449C1 (en) 2009-04-30
AU2004307449A1 (en) 2005-05-06
WO2005041515A1 (fr) 2005-05-06
BRPI0415840A (pt) 2007-01-02
CA2543771A1 (fr) 2005-05-06

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