WO2010030135A2 - Procédé et appareil pour la gestion d’énergie - Google Patents

Procédé et appareil pour la gestion d’énergie Download PDF

Info

Publication number
WO2010030135A2
WO2010030135A2 PCT/KR2009/005155 KR2009005155W WO2010030135A2 WO 2010030135 A2 WO2010030135 A2 WO 2010030135A2 KR 2009005155 W KR2009005155 W KR 2009005155W WO 2010030135 A2 WO2010030135 A2 WO 2010030135A2
Authority
WO
WIPO (PCT)
Prior art keywords
heterogeneous network
terminal
state
information
network interface
Prior art date
Application number
PCT/KR2009/005155
Other languages
English (en)
Korean (ko)
Other versions
WO2010030135A3 (fr
Inventor
지정훈
박창민
전홍석
안윤영
Original Assignee
한국전자통신연구원
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
Priority claimed from KR1020090084419A external-priority patent/KR20100031467A/ko
Application filed by 한국전자통신연구원 filed Critical 한국전자통신연구원
Priority to US13/063,867 priority Critical patent/US20110195743A1/en
Publication of WO2010030135A2 publication Critical patent/WO2010030135A2/fr
Publication of WO2010030135A3 publication Critical patent/WO2010030135A3/fr

Links

Images

Classifications

    • 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
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/029—Location-based management or tracking services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • 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

Definitions

  • the present invention relates to an apparatus and method for performing power management in a terminal equipped with heterogeneous network interfaces.
  • the present invention relates to an apparatus and method for minimizing power consumption by selectively using only the heterogeneous network interfaces required according to the location of the terminal.
  • Terminals are equipped with a plurality of heterogeneous network interfaces to perform communication between heterogeneous networks.
  • the heterogeneous network interface installed increases, power consumption increases.
  • power consumption may be minimized by selectively starting an application service using a plurality of heterogeneous network interfaces mounted on the terminal.
  • a power management apparatus includes a storage unit for storing a map indicating a communication coverage area of a heterogeneous network, location information of a terminal equipped with heterogeneous network interfaces, and state information indicating a state of the heterogeneous network interfaces. And a management unit configured to manage a heterogeneous network list accessible from a current location of the terminal by using the receiving unit and the map stored in the storage unit and the information received from the receiving unit.
  • a method for managing power in a power management apparatus comprising: storing a map indicating a communication coverage area of a heterogeneous network, location information of a terminal equipped with heterogeneous network interfaces, and states of the heterogeneous network interfaces; Receiving state information indicating a, and managing the heterogeneous network list accessible from the current location of the terminal using the stored map and the received information.
  • 1 illustrates a heterogeneous network coverage distribution map.
  • FIG. 2 illustrates a location management system as an embodiment of the present invention.
  • FIG. 3 is a flowchart illustrating a process of updating information by referring to states of network interfaces in a power manager as an embodiment of the present invention.
  • FIG. 4 is a diagram illustrating a paging process for a multimode terminal according to one embodiment of the present invention.
  • FIG. 5 illustrates an example of a case where a specific heterogeneous network interface is in an "activated" state during a paging process for a multimode terminal.
  • the terminal includes a heterogeneous network interface for performing a connection with a heterogeneous network.
  • the multimode interface may also be defined in terms of integrating several kinds of heterogeneous network interfaces or including some or all of several network interface types separately attached to a terminal or the like.
  • the multimode interface may be substituted and changed in various implementation manners.
  • the multimode interface may include all other types of interfaces such as a WiMAX network interface, a WiFi network interface, and the like.
  • the state of the multi-mode interface can be divided according to whether the power supply and network connection. For example, it can be divided into “Power_ON” and “Power_OFF” state depending on the presence or absence of power supply.
  • the connection state of each network interface in the "Power_ON” state in which power is supplied to the multimode interface, can be largely divided into “active” and “deactivated” states.
  • the activation state means a state in which an application service can be progressed through a specific network interface soon.
  • Examples of the active state are the sleep state of the WiFi and WiMAX interfaces, the READY state of GPRS, and the ACTIVE state actively transmitting and receiving application services.
  • Sleep state of WiFi and WiMAX is assocation and registered state with AP (Access Point) and BS (Base Station), but packet transmission is not continuously performed, but application service can be started immediately with L2 connection. State, so see the active state.
  • the inactive state means a state that requires a state switch in order to proceed with an application service.
  • rough information about the location of the terminal is managed in units of location areas in the network. For example, there is an IDLE state of the WiMAX interface or a STANBY state of GPRS.
  • the states of the multimode interface may be classified according to the network connection state. For example, when receiving traffic occurs in a terminal at a specific time point, the state of the multimode interface may be classified and set according to whether the corresponding traffic can be processed through the network interface.
  • a state that can initiate an application service session for incoming traffic through a corresponding network interface
  • a state that cannot initiate communication through a corresponding network interface NON_REACHABLE
  • a corresponding network interface It is not possible to initiate communication, but it is possible to initiate an application service session by changing a network interface in a state in which communication cannot be initiated through another network interface attached to the terminal (REACHABLE_INDIRECTLY). You can set the status.
  • 1 illustrates a heterogeneous network coverage distribution map.
  • the heterogeneous network coverage distribution map provides the status of the wireless heterogeneous network distributed according to the physical location of each region, the location information of the broadband wireless access network, and the narrowband wireless hotspot cell information.
  • 3G networks are distributed in a wide band (120, 130), and partially narrowband WiFi hotspot cells in the 3G broadband network (120, 130). (121, 122, 131, 132) are distributed. It stands for a 3G network is the 3 rd Generation network, and the network, such as the UTMS thereto.
  • a wideband 3G network is distributed in a wide band (150, 160), but unlike the REGION A region 110, WiMAX Hotspot Cells (161, 162, 163) are distributed only in a Location Area 4 (160). have.
  • the state of the multi-mode interface through a specific embodiment as follows.
  • the state of the multimode interface according to the presence or absence of power is as follows.
  • both the WiFi network interface and the WiMAX network interface of the multimode interface are set to the Power_OFF state.
  • the WiFi network interface of the multimode interface is set to the Power_OFF state
  • the WiMAX network interface is set to the Power_ON state.
  • the states of the multimode interface set according to the network connection status are as follows.
  • the cellular network interface of the multimode interface is in the REACHABLE_DIRECTLY state
  • the WiMAX network interface is in the NON_REACHABLE state.
  • the REACHABLE_DIRECTLY state when the WiFi network interface is in the Power_ON state When the terminal is within 121 of 3G Location Area 1 (120), the REACHABLE_DIRECTLY state when the WiFi network interface is in the Power_ON state, or REACHABLE_INDIRECTLY state when the WiFi network interface is in the Power_OFF state.
  • FIG. 2 illustrates a location management system as an embodiment of the present invention.
  • the location management system includes a multi-mode terminal 210, a paging controller 220 and a power manager 230 equipped with a multi-mode interface.
  • the paging controller 220 determines the current position of the multi-mode terminal and transmits a paging request to the multi-mode terminal.
  • the terminal may perform location management by receiving location information (for example, Location Area and Tracking Area) transmitted from the multi-mode terminal 210.
  • the paging controller 220 When the paging controller 220 receives the Location Update message transmitted by the multimode terminal 210 (S211), the paging controller 220 transmits the location information of the multimode terminal included in the Location Update message to the power manager 230 (S212). .
  • the power manager 230 manages information S213 for heterogeneous networks accessible from the current location of the multimode terminal 210 and state information S214 of network interfaces of the multimode terminal 210.
  • a power manager is a power management fuctional entity (PMFE).
  • PMFE power management fuctional entity
  • the power manager 230 may be configured as a separate device independently.
  • the power manager 230 may be implemented in the paging controller 220 or the multi-mode terminal 210 to perform a function.
  • the power manager 230 may manage location information of the multimode terminal 210 and heterogeneous network coverage distribution information (for example, to manage information S213 of heterogeneous networks accessible at the current location of the multimode terminal 210). , See FIG. 1).
  • the power manager 230 grasps information on the heterogeneous network that can be accessed from the current location of the multi-mode terminal 210.
  • a mobile terminal in a wide area wireless network such as 3G updates its current location information to the paging controller when a specific location area (LA) changes or a certain period of time elapses as the network moves.
  • LA location area
  • the paging controller 220 when the paging controller 220 receives a Location Update message from the multi-mode terminal 210 (S211), and transmits the location information of the multi-mode terminal 210 to the power manager 230. (S212).
  • the location area information may be updated through a separate communication session directly from the multi-mode terminal 210 to the power manager 230.
  • S213 There is (S213). In this regard, see FIG. 3.
  • the power manager 230 checks the heterogeneous networks that can be accessed in the location area to which the multi-mode terminal 210 currently belongs using the location area information included in the received Location Update message.
  • the power manager 230 determines the location area information where the multi-mode terminal 210 is located. Thereafter, based on the heterogeneous network coverage distribution information managed in advance, it may be confirmed that the heterogeneous network to which the multi-mode terminal 210 can access is WiFi.
  • the location of the multi-mode terminal 210 may be determined using a GPS system.
  • the multi-mode terminal 210 transmits the location information to the power manager 230 every time period or whenever a geopolitically significant location change occurs.
  • the power manager 230 may identify a heterogeneous wireless network accessible from the current location of the multimode terminal 210 by using the GPS location information received from the multimode terminal 210 and the heterogeneous network coverage distribution map information previously stored. have.
  • FIG. 3 is a flowchart illustrating a process of updating information by referring to states of network interfaces in a power manager as an embodiment of the present invention.
  • An example of a method of managing state information of network interfaces of the multimode terminal 210 in the power manager is as follows.
  • Hotspot Cell information (eg, Cell ID) is provided to the power manager 330.
  • the multimode terminal 310 may be, for example, Cell ID information S320 including WiFi Hotspot Cell information of FIG. 1 may be provided to the power manager 330.
  • the power manager 330 may more accurately determine the location of the multi-mode terminal 310 based on the hotspot cell information received from the multi-mode terminal 310.
  • the power manager 330 is a heterogeneous network interface remotely mounted to the multi-mode terminal by utilizing the information on the heterogeneous networks accessible from the current location of the multi-mode terminal 310 and the status information of the network interfaces of the multi-mode terminal. Can control their status.
  • the power manager The multimode terminal can be instructed to "Power Off" the WiFi network interface.
  • the multi-mode terminal moves the WiFi network to the “Power Off” interface in the Location Area 4 (160)
  • the multi-mode terminal moves to the Location Area 1 (120) where the WiFi network is distributed.
  • 210 may be instructed to “Power On” the WiFi network interface.
  • the power manager may instruct the multimode terminal to power off the network interface.
  • the power manager may instruct the multimode terminal to "Power On" the corresponding network interface.
  • FIG. 4 is a diagram illustrating a paging process for a multimode terminal according to one embodiment of the present invention.
  • the paging processing process for a multi-mode terminal can be largely divided into a process performed through steps S410 and S420, and a case of delivering a paging request message without going through steps S410 and S420.
  • the power manager 430 may inform the status of the heterogeneous network interfaces installed in the multimode terminal 410 and the network list information to which the current multimode terminal can access. Inquire (S410).
  • the power manager 430 responds to the query of the paging controller 420 and the status of the heterogeneous network interfaces and the network list information to which the current multi-mode terminal can access (S420).
  • the paging controller 420 may be implemented as follows according to the state of heterogeneous network interfaces.
  • the paging controller 420 transmits a paging request to the multi-mode terminal 410.
  • the paging request is a heterogeneous list of networks that the multimode terminal 430 can access at the current location, a candidate active interface recommended by the network operator, and a counterpart communication partner who performs communication after the paging process. Contains information such as application service characteristics.
  • the multimode terminal 430 may start an application service by activating a specific network interface among a plurality of heterogeneous network interfaces based on the above information included in the paging request S430.
  • the paging controller 420 may recommend the multimode terminal 410 to turn on WiFi as a candidate active interface.
  • the recommended candidate active interfaces are viewed and can be selected according to the characteristics of the multi-mode mobile terminal 410.
  • the power manager 410 may check the information of the hotspot cell to which the "activated" network interface is currently connected. That is, when the multimode terminal 430 moves during the actual communication, the paging controller 420 may transmit a paging request to the multimode terminal 430 by unicast. This will be described in more detail with reference to FIG. 5.
  • a paging request message is transmitted without going through steps S410 and S420.
  • the multi-mode terminal 410 receives a paging request message, the state of heterogeneous network interfaces installed in the multi-mode terminal 410 with the power manager 430, and network list information that can be accessed by the current multi-mode terminal. Inquire (S440). Thereafter, the multi-mode terminal 410 receives a response from the power manager 430 containing the status of heterogeneous network interfaces and network list information to which the multi-mode terminal can access (S450) to activate a suitable network interface. To start.
  • FIG. 5 illustrates an example of a case where a specific heterogeneous network interface is in an "activated" state during a paging process for a multimode terminal.
  • the paging controller 520 receives a paging request message (S500). Thereafter, the paging controller 520 queries the power manager 530 for the status of the network interfaces of the multi-mode terminal and the network information that can be accessed (S510). The paging controller 520 transmits a paging request message by unicast to the multi-mode terminal 530 connected to the hotspot Cell B (S530).
  • the power manager 530 responds to the query of the paging controller 520 and the status of the heterogeneous network interfaces and the network list information to which the current multimode terminal can access (S520).
  • the power manager 530 includes information on a heterogeneous network interface that is currently “activated” among the multimode interfaces of the multimode terminal 510, and the multimode terminal 510 is currently connected.
  • the cell informs the paging controller 520 of the Hotspot Cell B information.
  • the power manager 530 may directly transmit the paging request message to the multi-mode terminal 510 in a unicast manner (S531), and respond to the paging controller 520 by informing only the brief Hotspot Cell information and the processing result. (S521). In this case, referring to the example of FIG. 5, the power manager 530 transmits a paging request message to the multi-mode terminal in a format suitable for a Hotspot Cell network.
  • step S530 of transmitting the paging request message from the paging controller 520 to the multimode terminal 530 is omitted.
  • power consumption may be minimized by only powering on the heterogeneous network interface used in accordance with the current location of the multi-mode terminal and powering off other heterogeneous network interfaces.
  • Hotspot Cell location information is updated to enable unicast paging processing, thereby reducing the burden of paging processing in the existing broadcast format, and reducing the signaling burden on the network backbone. Unnecessary waste of radio resources can be prevented.
  • the invention can also be embodied as computer readable code on a computer readable recording medium.
  • Computer-readable recording media include all kinds of recording devices that store data that can be read by a computer system.
  • Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, which are also implemented in the form of carrier waves (for example, transmission over the Internet). It also includes.
  • the computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.

Landscapes

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

Abstract

Dans un appareil et un procédé pour la gestion d’énergie selon l’invention, il est possible de réduire la consommation d’énergie par le démarrage d’un service d’application par l’utilisation sélective d’une interface réseau hétérogène d’un terminal monté avec une pluralité de réseaux hétérogènes.
PCT/KR2009/005155 2008-09-12 2009-09-11 Procédé et appareil pour la gestion d’énergie WO2010030135A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/063,867 US20110195743A1 (en) 2008-09-12 2009-09-11 Method and apparatus for power management

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR10-2008-0090501 2008-09-12
KR20080090501 2008-09-12
KR10-2009-0038951 2009-05-04
KR20090038951 2009-05-04
KR1020090084419A KR20100031467A (ko) 2008-09-12 2009-09-08 전력관리장치 및 방법
KR10-2009-0084419 2009-09-08

Publications (2)

Publication Number Publication Date
WO2010030135A2 true WO2010030135A2 (fr) 2010-03-18
WO2010030135A3 WO2010030135A3 (fr) 2012-04-26

Family

ID=42005642

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/005155 WO2010030135A2 (fr) 2008-09-12 2009-09-11 Procédé et appareil pour la gestion d’énergie

Country Status (1)

Country Link
WO (1) WO2010030135A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140334450A1 (en) * 2010-07-30 2014-11-13 At&T Intellectual Property I, L.P. System-assisted wireless local area network detection

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004054137A1 (fr) * 2002-12-12 2004-06-24 Electronics And Telecommunications Research Institute Procede de recherche automatique de point d'acces rl sans fil et terminal pour la mise en oeuvre du procede
WO2004110073A2 (fr) * 2003-06-04 2004-12-16 Siemens Aktiengesellschaft Procede permettant de reduire la consommation de courant d'un terminal mobile
EP1638360A1 (fr) * 2004-09-21 2006-03-22 Samsung Electronics Co.,Ltd. Téléphone mobile bimode avec assistance GPS pour l'économie d'energie fonctionnant dans des réseaus cellulaire et WiFi
US20060121914A1 (en) * 2004-12-07 2006-06-08 Electronics And Telecommunications Research Institute Handover method and apparatus for mobile terminal using location information in heterogeneous system network
US20070297373A1 (en) * 2006-06-21 2007-12-27 Nokia Corporation Method, system and computer program product for providing session initiation/delivery through a wlan to a terminal
WO2008011303A1 (fr) * 2006-07-17 2008-01-24 Intel Corporation Opération de recherche de terminaux en mode repos avec une pluralité d'interfaces sans fil
EP1959621A1 (fr) * 2005-12-06 2008-08-20 Huawei Technologies Co., Ltd. Procede et dispositif de gestion de puissance dans le transfert de reseau isometrique

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004054137A1 (fr) * 2002-12-12 2004-06-24 Electronics And Telecommunications Research Institute Procede de recherche automatique de point d'acces rl sans fil et terminal pour la mise en oeuvre du procede
WO2004110073A2 (fr) * 2003-06-04 2004-12-16 Siemens Aktiengesellschaft Procede permettant de reduire la consommation de courant d'un terminal mobile
EP1638360A1 (fr) * 2004-09-21 2006-03-22 Samsung Electronics Co.,Ltd. Téléphone mobile bimode avec assistance GPS pour l'économie d'energie fonctionnant dans des réseaus cellulaire et WiFi
US20060121914A1 (en) * 2004-12-07 2006-06-08 Electronics And Telecommunications Research Institute Handover method and apparatus for mobile terminal using location information in heterogeneous system network
EP1959621A1 (fr) * 2005-12-06 2008-08-20 Huawei Technologies Co., Ltd. Procede et dispositif de gestion de puissance dans le transfert de reseau isometrique
US20070297373A1 (en) * 2006-06-21 2007-12-27 Nokia Corporation Method, system and computer program product for providing session initiation/delivery through a wlan to a terminal
WO2008011303A1 (fr) * 2006-07-17 2008-01-24 Intel Corporation Opération de recherche de terminaux en mode repos avec une pluralité d'interfaces sans fil

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MRPM SG: 'Multi-Radio PM Draft Technicat Requirements' IEEE 802.21 WORKING GROUP, 21- 0.8-0008-00-MRPM [ONLINE], [Online] January 2008, Retrieved from the Internet: <URL:https://mentor.ieee.org/802.21/dcn/08/ 21-08-0008-00=mrpm- draft-technical-requirements.doc> [retrieved on 2012-01-30] *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140334450A1 (en) * 2010-07-30 2014-11-13 At&T Intellectual Property I, L.P. System-assisted wireless local area network detection

Also Published As

Publication number Publication date
WO2010030135A3 (fr) 2012-04-26

Similar Documents

Publication Publication Date Title
WO2012067382A2 (fr) Procédé permettant d&#39;établir une connexion réseau, procédé permettant une connexion à un réseau et groupe de communication sans fil qui applique ces procédés
WO2013036014A2 (fr) Appareil et procédé pour programmer un canal dans un réseau sans fil
KR101590636B1 (ko) 듀얼 모드를 지원하는 단말 제어 장치 및 방법
KR20100031467A (ko) 전력관리장치 및 방법
WO2014107009A1 (fr) Procédé de commande de la connexion à un point d&#39;accès sans fil et terminal mobile le prenant en charge
WO2014158006A1 (fr) Procédé et appareil pour l&#39;établissement d&#39;une communication de dispositif à dispositif
WO2011046393A4 (fr) Appareil et procédé d&#39;établissement d&#39;un réseau personnel permettant de fournir un service cpns
EP1912378B1 (fr) Système de réseau local sans fil WLAN et procédé de communication sans fil
WO2013119025A1 (fr) Procédé et appareil pour sélectionner un réseau plmn équivalent
US20130148556A1 (en) System And Method For Access Point Power Save
EP2745618A2 (fr) Appareil et procédé de détermination d&#39;un propriétaire de groupe dans l&#39;établissement d&#39;une connexion wi-fi direct
WO2013122418A1 (fr) Procédé et appareil pour prendre en charge des communications de dispositif à dispositif
WO2014014281A1 (fr) Procédé de balayage actif dans un système lan sans fil
WO2015005727A1 (fr) Système de wlan et procédé et appareil de transfert utilisés dans celui-ci
WO2017065558A1 (fr) Procédé et appareil de communication pour un dispositif vestimentaire dans un système de communications sans fil
WO2013066111A1 (fr) Procédé d&#39;affichage de contenus par utilisation d&#39;un identificateur de dispositif d&#39;un dispositif de communication sans fil, procédé de fourniture de contenus, terminal utilisateur pour réaliser le procédé d&#39;affichage de contenu, et système de fourniture de contenus pour réaliser le procédé de fourniture de contenus
WO2011159096A2 (fr) Appareil et procédé d&#39;enregistrement d&#39;un réseau personnel
WO2019221398A1 (fr) Procédés et systèmes de configuration dynamique de mode de fonctionnement pour un équipement utilisateur compatible prose
EP2665977A2 (fr) Système de commande central et procédé destiné à définir un point de commande associé à ce système
WO2012141440A2 (fr) Procédé de commutation de canal dans un réseau corporel médical
WO2010126298A2 (fr) Dispositif de gestion de porteuse pour une station de base, procédé de gestion de porteuse, station mobile et procédé de gestion de porteuse pour une station mobile
WO2011152669A2 (fr) Procédé et appareil pour émettre et recevoir un message de radiomessagerie à l&#39;aide d&#39;informations de bande dans un système de communication sans fil
WO2010050764A2 (fr) Dispositif et procédé de gestion de multiples porteuses et procédé de mise en marche du mode veille d&#39;un terminal
WO2010030135A2 (fr) Procédé et appareil pour la gestion d’énergie
WO2010093197A2 (fr) Dispositif et procédé de prise en charge de transfert inter-cellulaire intra-station de base dans un système de communication sans fil large bande relais multi-saut

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09813257

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 13063867

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09813257

Country of ref document: EP

Kind code of ref document: A2