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1. (WO2017003336) METHODS AND STATIONS FOR POWER SAVING IN RADIO COMMUNICATION
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/003336 International Application No.: PCT/SE2015/050776
Publication Date: 05.01.2017 International Filing Date: 01.07.2015
IPC:
H04W 52/02 (2009.01) ,H04W 28/02 (2009.01) ,H04W 84/12 (2009.01)
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
52
Power management, e.g. TPC [Transmission Power Control], power saving or power classes
02
Power saving arrangements
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
28
Network traffic or resource management
02
Traffic management, e.g. flow control or congestion control
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
W
WIRELESS COMMUNICATION NETWORKS
84
Network topologies
02
Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
10
Small scale networks; Flat hierarchical networks
12
WLAN [Wireless Local Area Networks]
Applicants:
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) [SE/SE]; SE-164 83 Stockholm, SE
Inventors:
SUNDMAN, Dennis; SE
LOPEZ, Miguel; SE
Agent:
AYOUB, Nabil; SE
Priority Data:
Title (EN) METHODS AND STATIONS FOR POWER SAVING IN RADIO COMMUNICATION
(FR) PROCÉDÉS ET STATIONS PERMETTANT D'ÉCONOMISER L'ÉNERGIE PENDANT UNE COMMUNICATION RADIO
Abstract:
(EN) Methods and stations (200, 204) for enabling power saving in a receiving station (204) when a transmitting station (200) transmits a radio signal to a targeted station (202). The transmitting station (200) sets at least one power limitation bit that indicates an estimated power limitation status of the targeted station (202), and transmits the radio signal with a preamble including the power limitation bit. When receiving said preamble, the receiving station (204) is able to determine whether to receive and decode the remaining complete radio signal or not, based on the power limitation bit. For example, if the receiving station (204) itself is power limited, it can save power by not receiving and decoding the complete radio signal when the power limitation bit in the preamble indicates that the targeted station (202) is non-power limited.
(FR) L'invention concerne des procédés et des stations (200, 204) qui permettent de réaliser une économie d'énergie dans une station de réception (204) lorsqu'une station d'émission (200) émet un signal radio à destination d'une station ciblée (202). La station d'émission (200) règle au moins un bit de limitation d'énergie qui indique un état de limitation d'énergie estimé de la station ciblée (202), et émet le signal radio ayant un préambule comprenant le bit de limitation d'énergie. Lors de la réception dudit préambule, la station de réception (204) est apte à déterminer s'il faut ou non recevoir et décoder le signal radio complet restant, sur la base du bit de limitation d'énergie. Par exemple, si la station de réception (204) elle-même est limitée en énergie, elle peut économiser de l'énergie par la non réception et le non décodage du signal radio complet lorsque le bit de limitation d'énergie dans le préambule indique que la station ciblée (202) n'est pas limitée en énergie.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, 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, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP3318090US20180199289