KR102033597B1 - 이동통신 시스템에서 랜덤 액세스 절차를 수행하는 방법 및 장치 - Google Patents
이동통신 시스템에서 랜덤 액세스 절차를 수행하는 방법 및 장치 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- 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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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- 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
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- 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
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- 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
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- 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
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- 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
- H04L5/0057—Physical resource allocation for CQI
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- 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
- H04L5/0073—Allocation arrangements that take into account other cell interferences
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- H—ELECTRICITY
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- H04L5/0078—Timing of allocation
- H04L5/0085—Timing of allocation when channel conditions change
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- H—ELECTRICITY
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0096—Indication of changes in allocation
- H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
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- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/18—TPC being performed according to specific parameters
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non-transmission
- H04W52/281—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non-transmission taking into account user or data type priority
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/365—Power headroom reporting
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- H—ELECTRICITY
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- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
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- H04W72/1257—
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- H—ELECTRICITY
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- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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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
- H04W72/231—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/34—Selective release of ongoing connections
- H04W76/36—Selective release of ongoing connections for reassigning the resources associated with the released connections
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- 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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
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- 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
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/38—TPC being performed in particular situations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
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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
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
Description
도 2는 본 발명이 적용되는 LTE 시스템에서 무선 프로토콜 구조를 나타낸 도면,
도 3은 단말에서 캐리어 집적을 설명하기 위한 도면,
도 4는 랜덤 액세스 과정을 설명하는 도면,
도 5는 본 발명의 제1 실시 예를 설명하는 동면
도 6은 본 발명의 제1 실시 예에 따른 단말 동작을 설명하는 도면,
도 7은 본 발명의 제2 실시 예에 따른 단말 동작을 설명하는 도면,
도 8은 단말 장치를 도시한 도면
Claims (6)
- 단말의 동작 방법에 있어서,
프리앰블 전송이 상향링크 전송과 시간 영역에서 오버랩되는지 식별하는 단계;
상기 프리앰블 전송과 상향링크 전송이 시간 영역에서 오버랩되고, 상기 상향링크 전송이 사운딩 기준 신호(SRS, sounding reference signal) 전송이며, 상기 프리앰블에 대한 전력과 상기 사운딩 기준 신호에 대한 전력의 합이 상기 단말의 전송 전력을 초과하면, 상기 사운딩 기준 신호의 전송을 드랍하는 단계; 및
상기 프리앰블 전송과 상향링크 전송이 시간 영역에서 오버랩되고, 상기 상향링크 전송이 PUSCH(physical uplink shared channel) 전송이며, 상기 프리앰블에 대한 전력과 상기 PUSCH에 대한 전력의 합이 상기 단말의 전송 전력을 초과하면, 상기 PUSCH에 대한 전력을 조정하는 단계를
포함하는 것을 특징으로 하는 방법. - 제1항에 있어서,
상기 상향링크에 대한 전력과 상기 프리앰블에 대한 전력의 합이 상기 단말의 전송 전력을 초과하지 않으면, 상기 프리앰블과 상기 상향링크를 전송하는 것을 특징으로 하는 방법. - 제1항에 있어서,
랜덤 액세스(random access)를 위한 자원에서 상기 프리앰블을 전송하는 것을 특징으로 하는 방법. - 단말에 있어서,
데이터를 전송하는 송신부; 및
프리앰블 전송이 상향링크 전송과 오버랩되는지 식별하고,
상기 프리앰블 전송과 상향링크 전송이 시간 영역에서 오버랩되고, 상기 상향링크 전송이 사운딩 기준 신호(SRS, sounding reference signal) 전송이며, 상기 프리앰블에 대한 전력과 상기 사운딩 기준 신호에 대한 전력의 합이 상기 단말의 전송 전력을 초과하면, 상기 사운딩 기준 신호의 전송을 드랍하며,
상기 프리앰블 전송과 상향링크 전송이 시간 영역에서 오버랩되고, 상기 상향링크 전송이 PUSCH(physical uplink shared channel) 전송이며, 상기 프리앰블에 대한 전력과 상기 PUSCH에 대한 전력의 합이 상기 단말의 전송 전력을 초과하면, 상기 PUSCH에 대한 전력을 조정하도록
제어하는 제어부를 포함하는 것을 특징으로 하는 단말. - 제4항에 있어서,
상기 상향링크에 대한 전력과 상기 프리앰블에 대한 전력의 합이 상기 단말의 전송 전력을 초과하지 않으면, 상기 프리앰블과 상기 상향링크를 전송하는 것을 특징으로 하는 단말. - 제4항에 있어서,
랜덤 액세스(random access)를 위한 자원에서 상기 프리앰블을 전송하는 것을 특징으로 하는 단말.
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US201161431635P | 2011-01-11 | 2011-01-11 | |
US61/431,635 | 2011-01-11 |
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KR1020120001774A Division KR101971103B1 (ko) | 2011-01-11 | 2012-01-06 | 이동통신 시스템에서 랜덤 액세스 절차를 수행하는 방법 및 장치 |
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KR102033597B1 true KR102033597B1 (ko) | 2019-10-17 |
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KR1020110141875A Active KR101763751B1 (ko) | 2011-01-11 | 2011-12-26 | 반송파 집적 기술을 사용하는 무선통신시스템에서 부차반송파의 활성화 및 비활성화 방법 및 장치 |
KR1020110142069A Expired - Fee Related KR101776873B1 (ko) | 2011-01-11 | 2011-12-26 | 이동통신 시스템에서 역방향 전송 출력 결정 방법 및 장치 |
KR1020120001774A Active KR101971103B1 (ko) | 2011-01-11 | 2012-01-06 | 이동통신 시스템에서 랜덤 액세스 절차를 수행하는 방법 및 장치 |
KR1020120003532A Active KR101878300B1 (ko) | 2011-01-11 | 2012-01-11 | 효율적으로 cqi/csi 측정 정보를 보고하는 방법 및 장치 |
KR1020190044222A Active KR102033597B1 (ko) | 2011-01-11 | 2019-04-16 | 이동통신 시스템에서 랜덤 액세스 절차를 수행하는 방법 및 장치 |
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KR1020110141875A Active KR101763751B1 (ko) | 2011-01-11 | 2011-12-26 | 반송파 집적 기술을 사용하는 무선통신시스템에서 부차반송파의 활성화 및 비활성화 방법 및 장치 |
KR1020110142069A Expired - Fee Related KR101776873B1 (ko) | 2011-01-11 | 2011-12-26 | 이동통신 시스템에서 역방향 전송 출력 결정 방법 및 장치 |
KR1020120001774A Active KR101971103B1 (ko) | 2011-01-11 | 2012-01-06 | 이동통신 시스템에서 랜덤 액세스 절차를 수행하는 방법 및 장치 |
KR1020120003532A Active KR101878300B1 (ko) | 2011-01-11 | 2012-01-11 | 효율적으로 cqi/csi 측정 정보를 보고하는 방법 및 장치 |
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US (7) | US9253659B2 (ko) |
EP (6) | EP2664211B1 (ko) |
JP (5) | JP5931922B2 (ko) |
KR (5) | KR101763751B1 (ko) |
CN (4) | CN103299699B (ko) |
ES (1) | ES2805732T3 (ko) |
WO (2) | WO2012096485A2 (ko) |
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