DK2829004T3 - Aggregering af ressourcer i forbedrede styrekanaler - Google Patents

Aggregering af ressourcer i forbedrede styrekanaler Download PDF

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Publication number
DK2829004T3
DK2829004T3 DK13717078.3T DK13717078T DK2829004T3 DK 2829004 T3 DK2829004 T3 DK 2829004T3 DK 13717078 T DK13717078 T DK 13717078T DK 2829004 T3 DK2829004 T3 DK 2829004T3
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control information
downlink control
level
epdcch
aggregation
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DK13717078.3T
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English (en)
Inventor
Mattias Frenne
Jung-Fu Cheng
Johan Furuskog
Havish Koorapaty
Daniel Larsson
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Ericsson Telefon Ab L M
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0067—Rate matching
    • H04L1/0068—Rate matching by puncturing
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0067—Rate matching
    • H04L1/0068—Rate matching by puncturing
    • H04L1/0069—Puncturing patterns
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • 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) or DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • 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
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

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

Claims (14)

1. Fremgangsmåde til modtagelse af downlink-styreinformation i et radiokommunikationssystem, omfattende, for en første underramme, i hvilken en flerhed af ikke-overlappende undersæt af ressourceelementer i mindst en blok af tid-frekvens-ressourcer skal aggregeres for en modtaget transmission af første downlink-styreinformation: at bestemme (2810) elementer af et første sæt af aggregeringsniveauer, der kan anvendes til at aggregere de ikke-overlappende undersæt af ressourceelementer for den modtagne transmission af den første downlink-styreinformation, hvor det at bestemme er baseret på et punkteringsniveau, der skal anvendes for den modtagne transmission af den første downlink-styreinformation; og hvor det at bestemme omfatter at bestemme, at et sæt af aggregeringsniveauer kan anvendes, når punkteringsniveauet er under en tærskelværdi, og at bestemme, at et andet sæt af aggregeringsniveauer kan anvendes, når punkteringsniveauet er over eller lig med tærskelværdien, hvilket andet sæt omfatter et aggregeringsniveau, som er højere end alle aggregeringsniveauer i det ene sæt; og at modtage (2820) den første downlink-styreinformation ved de-mapping af den første downlink-styreinformation fra et eller flere første ikke-overlappende undersæt af ressourceelementer i den mindst ene blok af tid-frekvens-ressour-cer, i henhold til et aggregeringsniveau udvalgt fra det bestemte første sæt.
2. Fremgangsmåde ifølge krav 1, yderligere omfattende, for en anden underramme: at bestemme elementer af et andet sæt af aggregeringsniveauer baseret på et punkteringsniveau, der skal anvendes for en modtaget transmission af anden downlink-styreinformation, hvor det andet sæt adskiller sig fra det første sæt; og at modtage den anden downlink-styreinformation ved de-mapping af den anden downlink-styreinformation fra et eller flere anden ikke-overlappende undersæt af ressourceelementer i den mindst ene blok af tid-frekvens-ressour-cer, i henhold til et aggregeringsniveau udvalgt fra det bestemte andet sæt.
3. Fremgangsmåde ifølge krav 1 eller 2, hvor det andet sæt omfatter et aggregeringsniveau, der er højere end 12.
4. Fremgangsmåde ifølge et hvilket som helst af kravene 1-3, hvor det ene sæt, der kan anvendes, når punkteringsniveauet er under en tærskelværdi, omfatter aggregeringsniveau 1, og det andet sæt ikke omfatter aggregeringsniveau 1.
5. Fremgangsmåde ifølge et hvilket som helst af kravene 1-4, hvor det punkteringsniveau, der skal anvendes for den modtagne transmission af den første downlink-styreinformation, afhænger af et antal referencesignaler i den mindst ene blok af tid-frekvens-ressourcer i den første underramme.
6. Fremgangsmåde ifølge et hvilket som helst af kravene 1-5, hvor det punkteringsniveau, der skal anvendes for den modtagne transmission af den første downlink-styreinformation, anhænger af et antal OFDM (Orthogonal Frequency-Division Multiplexing)-symboler reserveret udelukkende til styreinformation i den mindst ene blok af tid-frekvens-ressourcer.
7. Fremgangsmåde ifølge et hvilket som helst af kravene 1-6, hvor den mindst ene blok af tid-frekvens-ressourcer er et par fysiske ressourceblokke (PRB) i et LTE (Long-Term Evolution)-netværk.
8. Brugerindretningsapparat (3000), der er indrettet til at modtage downlink-styreinformation i et radiokommunikationssystem, hvilket brugerindretningsapparat (3000) omfatter transmitterkredsløb (3008) og modtagerkredsløb (3006), der er tilpasset til at modtage og transmittere radiosignaler over en luftgrænseflade, og yderligere omfatter et eller flere behandlingskredsløb (3002, 3004), hvor behandlingskredsløbene (3002, 3004) er tilpasset til, for en første underramme, i hvilken en flerhed af ikke-overlappende undersæt af ressourceelementer i mindst en blok af tid-frekvensressourcer skal aggregeres for en modtaget transmission af første downlink-styreinformation: at bestemme elementer af et første sæt af aggregeringsniveauer, der kan anvendes til at aggregere de ikke-overlappende undersæt af ressourceelementer for den modtagne transmission af den første downlink-styreinformation, hvor det at bestemme er baseret på et punkteringsniveau, der skal anvendes for den modtagne transmission af den første downlink-styreinformation; og hvor det at bestemme omfatter at bestemme, at et sæt af aggregeringsniveauer kan anvendes, når punkteringsniveauet er under en tærskelværdi, og at bestemme, at et andet sæt af aggregeringsniveauer kan anvendes, når punkteringsniveauet er over eller lig med tærskelværdien, hvilket andet sæt omfatter et aggregeringsniveau, som er højere end alle aggregeringsniveauer i det ene sæt; og at modtage den første downlink-styreinformation ved de-mapping af den første downlink-styreinformation fra et eller flere første ikke-overlappende undersæt af ressourceelementer i den mindst ene blok af tid-frekvens-ressourcer, i henhold til et aggregeringsniveau udvalgt fra det bestemte første sæt.
9. Brugerindretning ifølge krav 8, hvor det ene eller de flere behandlingskredsløb (3002, 3004) yderligere er tilpasset til, for en anden underramme: at bestemme elementer af et andet sæt af aggregeringsniveauer baseret på et punkteringsniveau, der skal anvendes for en modtaget transmission af anden downlink-styreinformation, hvor det andet sæt adskiller sig fra det første sæt; og at modtage den anden downlink-styreinformation ved de-mapping af den anden downlink-styreinformation fra et eller flere anden ikke-overlappende undersæt af ressourceelementer i den mindst ene blok af tid-frekvens-ressourcer, i henhold til et aggregeringsniveau udvalgt fra det bestemte første sæt.
10. Brugerindretning ifølge krav 9, hvor det andet sæt omfatter et aggregeringsniveau, der er højere end 12.
11. Brugerindretning ifølge et hvilket som helst af kravene 9-10, hvor det ene sæt, der kan anvendes, når punkteringsniveauet er under en tærskelværdi, omfatter aggregeringsniveau 1, og det andet sæt ikke omfatter aggregeringsniveau 1.
12. Brugerindretning (3000) ifølge et hvilket som helst af kravene 9-11, hvor det punkteringsniveau, der skal anvendes for den modtagne transmission af den første downlink-styreinformation, afhænger af et antal referencesignaler i den mindst ene blok af tid-frekvens-ressourcer i den første underramme.
13. Brugerindretningsapparat (3000) ifølge et hvilket som helst af kravene 9- 12, hvor det punkteringsniveau, der skal anvendes for den modtagne transmission af den første downlink-styreinformation, anhænger af et antal OFDM (Orthogonal Frequency-Division Multiplexing)-symboler reserveret udelukkende til styreinformation i den mindst ene blok af tid-frekvens-ressourcer.
14. Brugerindretningsapparat (3000) ifølge et hvilket som helst af kravene 9- 13, hvor den mindst ene blok af tid-frekvens-ressourcer er et par fysiske ressourceblokke (PRB) i et LTE (Long-Term Evolution)-netværk.
DK13717078.3T 2012-03-19 2013-03-19 Aggregering af ressourcer i forbedrede styrekanaler DK2829004T3 (da)

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US201261612803P 2012-03-19 2012-03-19
PCT/SE2013/050300 WO2013141801A1 (en) 2012-03-19 2013-03-19 Aggregation of resources in enhanced control channels

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US (6) US9258801B2 (da)
EP (2) EP2829004B1 (da)
JP (2) JP6215297B2 (da)
CN (2) CN104272642B (da)
AU (2) AU2013235809B2 (da)
DK (1) DK2829004T3 (da)
ES (1) ES2708315T3 (da)
IL (1) IL234465B (da)
IN (1) IN2014MN02007A (da)
MA (1) MA37347B1 (da)
PL (1) PL2829004T3 (da)
PT (1) PT2829004T (da)
RU (2) RU2014142028A (da)
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ZA (1) ZA201407340B (da)

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