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SG11201803775QA - Power control for uplink transmissions - Google Patents

Power control for uplink transmissions

Info

Publication number
SG11201803775QA
SG11201803775QA SG11201803775QA SG11201803775QA SG11201803775QA SG 11201803775Q A SG11201803775Q A SG 11201803775QA SG 11201803775Q A SG11201803775Q A SG 11201803775QA SG 11201803775Q A SG11201803775Q A SG 11201803775QA SG 11201803775Q A SG11201803775Q A SG 11201803775QA
Authority
SG
Singapore
Prior art keywords
international
sta
frame
target
power level
Prior art date
Application number
SG11201803775QA
Inventor
Arjun Bharadwaj
Bin Tian
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of SG11201803775QA publication Critical patent/SG11201803775QA/en

Links

Classifications

    • 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
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
    • 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
    • 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
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • 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
    • H04W52/10—Open loop power control
    • 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
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR or Eb/lo
    • 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
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • 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
    • H04B7/0452—Multi-user 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
    • H04L5/0001—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
    • 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
    • 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
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • 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
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -' Organization International Bureau (43) International Publication Date .... .....r ....) 22 June 2017(22.06.2017) WIPO I PCT (10) WO International 111111111111311111111111111111111111111111111111111111111111111111111111111111111111111111 2017/106534 Publication Number Al (51) International Patent Classification: (81) Designated States (unless otherwise indicated, for every H04W 52/14 (2009.01) H04B 7/0452 (2017.01) kind of national protection available): AE, AG, AL, AM, H04W 52/24 (2009.01) HO4L 5/00 (2006.01) AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, H04W 84/12 (2009.01) H04W 52/36 (2009.01) BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, H04W 52/10 (2009.01) H04W 52/40 (2009.01) DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, (21) International Application Number: KP KR KW KZ LA LC LK LR LS LU LY MA, PCT/US2016/066983 MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, (22) International Filing Date: NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, 15 December 2016 (15.12.2016) RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, (25) Filing Language: English ZA, ZM, ZW. (26) Publication Language: English (84) Designated States (unless otherwise indicated, for every (30) Priority Data: kind of regional protection available): ARIPO (BW, GH, 62/269,039 17 December 2015 (17.12.2015) US GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, 15/379,350 14 December 2016 (14.12.2016) US TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, (71) Applicant: QUALCOMM INCORPORATED [US/US]; DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, ATTEN: International IP Administration, 5775 Morehouse LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, Drive, San Diego, California, US 92121-1714 (US). SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). (72) Inventors: BHARADWAJ, Arjun; c/o Qualcomm Incor- porated, 5775 Morehouse Drive, San Diego, California Published: (US). c/o Qualcomm 92121-1714 TIAN, Bin; Incorpor- 21(3)) - with international search report (Art ated, 5775 Morehouse Drive, San Diego, California 92121- 1714 (US). (74) Agents: HODGES, Jonas J. et al.; c/o Arent Fox LLP, 1717 K Street NW, Washington, District of Columbia 20006-5344 (US). (54) Title: POWER CONTROL FOR UPLINK TRANSMISSIONS 200Th — Downlink Frame 210 (e g , trigger frame) AP computes RX power AP 202 . PC command (e g target RSSI) , AP transmit power MCS I - I — — I UL OFDMA / MU MIMO STA 204 Transmission 220 Il STA computes DL pathloss .4t STA autonomously sets Tx 1 1 . power based on computed en pathloss and target RSSI In 0 FIG. 2 11 ---.... IN 1-1 (57) : A method, an apparatus, and a computer-readable medium O the apparatus is configured to determine a target receiver power level STA adjusts Tx power level based on: (a) estimated DL pathloss (b) PC command, SNR target, target RSSI May include STA's headroom for wireless communication are provided. In one aspect, for uplink transmission. The apparatus is configured to trans - N mit a frame to a wireless device. The frame may include infoiination associated with the determined target receiver power level for 0 uplink transmission and a transmit power level at which the frame is to be transmitted.
SG11201803775QA 2015-12-17 2016-12-15 Power control for uplink transmissions SG11201803775QA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562269039P 2015-12-17 2015-12-17
US15/379,350 US9980233B2 (en) 2015-12-17 2016-12-14 Power control for uplink transmissions
PCT/US2016/066983 WO2017106534A1 (en) 2015-12-17 2016-12-15 Power control for uplink transmissions

Publications (1)

Publication Number Publication Date
SG11201803775QA true SG11201803775QA (en) 2018-07-30

Family

ID=57714706

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201803775QA SG11201803775QA (en) 2015-12-17 2016-12-15 Power control for uplink transmissions

Country Status (18)

Country Link
US (2) US9980233B2 (en)
EP (1) EP3391693B1 (en)
JP (1) JP6543772B2 (en)
KR (1) KR102054183B1 (en)
CN (1) CN108432299B (en)
AU (1) AU2016374250A1 (en)
CA (1) CA3005133A1 (en)
CL (1) CL2018001571A1 (en)
CO (1) CO2018005974A2 (en)
ES (1) ES2773139T3 (en)
HU (1) HUE046807T2 (en)
MX (1) MX2018007118A (en)
PH (1) PH12018500996A1 (en)
RU (1) RU2018121037A (en)
SG (1) SG11201803775QA (en)
TW (1) TWI644587B (en)
WO (1) WO2017106534A1 (en)
ZA (1) ZA201804029B (en)

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Also Published As

Publication number Publication date
CL2018001571A1 (en) 2018-12-21
TW201724891A (en) 2017-07-01
KR20180069928A (en) 2018-06-25
CN108432299A (en) 2018-08-21
KR102054183B1 (en) 2019-12-10
EP3391693A1 (en) 2018-10-24
US20180249421A1 (en) 2018-08-30
BR112018011953A2 (en) 2018-12-04
WO2017106534A1 (en) 2017-06-22
TWI644587B (en) 2018-12-11
ZA201804029B (en) 2019-04-24
JP2018537919A (en) 2018-12-20
RU2018121037A (en) 2020-01-17
CA3005133A1 (en) 2017-06-22
US20170181102A1 (en) 2017-06-22
ES2773139T3 (en) 2020-07-09
MX2018007118A (en) 2018-09-07
CO2018005974A2 (en) 2018-07-10
US10225804B2 (en) 2019-03-05
JP6543772B2 (en) 2019-07-10
PH12018500996A1 (en) 2019-01-28
HK1258576A1 (en) 2019-11-15
CN108432299B (en) 2021-08-06
EP3391693B1 (en) 2019-11-13
AU2016374250A1 (en) 2018-05-24
US9980233B2 (en) 2018-05-22
HUE046807T2 (en) 2020-03-30

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