GB2472362B - Wireless communication system and method of controlling a transmission power - Google Patents

Wireless communication system and method of controlling a transmission power

Info

Publication number
GB2472362B
GB2472362B GB1019933A GB201019933A GB2472362B GB 2472362 B GB2472362 B GB 2472362B GB 1019933 A GB1019933 A GB 1019933A GB 201019933 A GB201019933 A GB 201019933A GB 2472362 B GB2472362 B GB 2472362B
Authority
GB
United Kingdom
Prior art keywords
controlling
wireless communication
communication system
transmission power
transmission
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.)
Active
Application number
GB1019933A
Other versions
GB2472362A (en
GB201019933D0 (en
Inventor
Nahoko Kuroda
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to GB1019933A priority Critical patent/GB2472362B/en
Priority claimed from GB1010851A external-priority patent/GB2469229B/en
Publication of GB201019933D0 publication Critical patent/GB201019933D0/en
Publication of GB2472362A publication Critical patent/GB2472362A/en
Application granted granted Critical
Publication of GB2472362B publication Critical patent/GB2472362B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/364—Delay profiles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/48—TPC being performed in particular situations during retransmission after error or non-acknowledgment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • 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
    • H04W28/04—Error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • 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
    • H04W88/08—Access point devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
GB1019933A 2006-11-02 2006-11-02 Wireless communication system and method of controlling a transmission power Active GB2472362B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1019933A GB2472362B (en) 2006-11-02 2006-11-02 Wireless communication system and method of controlling a transmission power

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1010851A GB2469229B (en) 2005-11-04 2006-11-02 Wireless communication system and method of controlling a transmission power
GB1019933A GB2472362B (en) 2006-11-02 2006-11-02 Wireless communication system and method of controlling a transmission power

Publications (3)

Publication Number Publication Date
GB201019933D0 GB201019933D0 (en) 2011-01-05
GB2472362A GB2472362A (en) 2011-02-02
GB2472362B true GB2472362B (en) 2011-03-16

Family

ID=43428519

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1019933A Active GB2472362B (en) 2006-11-02 2006-11-02 Wireless communication system and method of controlling a transmission power

Country Status (1)

Country Link
GB (1) GB2472362B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012115445A2 (en) 2011-02-22 2012-08-30 Samsung Electronics Co., Ltd. User equipment and power control method for random access
CN106162923A (en) 2015-04-10 2016-11-23 中兴通讯股份有限公司 Random access signaling resend method and device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1443785A1 (en) * 2001-11-08 2004-08-04 NTT DoCoMo, Inc. PREAMBLE TRANSMISSION METHOD, MOBILE STATION, MOBILE COMMUNICATION SYSTEM, PREAMBLE TRANSMISSION PROGRAM, AND COMPUTER DATA SIGNAL
EP1565029A2 (en) * 2004-02-12 2005-08-17 NTT DoCoMo, Inc. Optimized radio resource allocation in a wireless communication system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1443785A1 (en) * 2001-11-08 2004-08-04 NTT DoCoMo, Inc. PREAMBLE TRANSMISSION METHOD, MOBILE STATION, MOBILE COMMUNICATION SYSTEM, PREAMBLE TRANSMISSION PROGRAM, AND COMPUTER DATA SIGNAL
EP1565029A2 (en) * 2004-02-12 2005-08-17 NTT DoCoMo, Inc. Optimized radio resource allocation in a wireless communication system

Also Published As

Publication number Publication date
GB2472362A (en) 2011-02-02
GB201019933D0 (en) 2011-01-05

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