Patent application number | Description | Published |
20130059588 | METHOD FOR SWITCHING SERVICE OF MANAGEMENT DEVICE SERVING NETWORK OR DEVICE - Disclosed is a method for smoothly switching between services to allow networks or devices to coexist. The method of switching between services of a television band device (TVBD) network or device includes: receiving a request for switching between services of the TVBD network or device from a coexistence manager (CM); and transmitting a response with respect to the request to the CM, wherein the services include an information service obtaining, by the TVBD network or device, neighbor information of the TVBD network or device from the CM and a management service providing measurement results to the CM by the TVBD network or device, and the response includes an indicator indicating whether or not the request has been successfully processed. | 03-07-2013 |
20130070642 | METHOD AND APPARATUS FOR TRANSCEIVING DATA IN A WIRELESS LAN SYSTEM - The present description relates to a method in which a station transmits data in a wireless LAN system, comprising the following steps: receiving, from an access point, control information containing station group configuration information, which indicates the configurations of station groups and uplink resource allocation information on the resource allocated to each station group; determining, on the basis of the control information, the station group to which the station belongs; and transmitting uplink data to the access point by contending with other stations in the determined station group. | 03-21-2013 |
20130163495 | SCHEDULING METHOD FOR MACHINE-TO-MACHINE COMMUNICATION - One embodiment of the present invention provides a scheduling method for machine-to-machine (M2M) communication. The method comprises the steps of: receiving a connection request message from each of a plurality of machines; grouping the plurality of machines into one or more groups; transmitting information on the group to which each machine belongs, to the machine; transmitting information on the machines belonging to each group, and control information including information on a time interval allocated to each group, to machines belonging to each group; and communicating with machines belonging to each group in a time interval allocated to each group. | 06-27-2013 |
20130237192 | ACCESS METHOD BETWEEN A TERMINAL AND A BASE STATION IN A WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREOF - The present description relates to a method in which a terminal accesses a base station in a wireless communication system and to a terminal thereof. The method includes broadcasting, to at least one base station, an advertisement message containing identification information for advertising existence of the terminal; receiving, from the base station, an inviting message which allows access to the base station; and performing an access procedure with the base station in accordance with the received inviting message. The present description further relates to a method in which a base station accesses a terminal in a wireless communication system, the method including receiving an advertisement message which is broadcasted by the terminal and contains identification information for advertising existence of the terminal; transmitting, to the terminal, an inviting message which allows access to the base station; and performing an access procedure with the terminal in accordance with the inviting message. | 09-12-2013 |
20140018114 | METHOD FOR SWITCHING SERVICE OF MANAGEMENT DEVICE SERVING NETWORK OR DEVICE - Disclosed is a method of switching between services of a television band device (TVBD) network or device of an apparatus including a coexistence manager (CM), including: transmitting, by the CM, a request for switching between services of the TVBD network or device to the TVBD network or device; and receiving, by the CM, a response with respect to the request from the TVBD network or device. Here, the services include an information service obtaining neighbor information from the CM by the TVBD network or device and a management service providing measurement results to the CM by the TVBD network or device, and the response includes an indicator indicating whether or not the request has been successfully processed. | 01-16-2014 |
20140029600 | METHOD AND APPARATUS FOR GENERATING TRAFFIC INDICATOR MAP IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method and an apparatus for generating a traffic indicator map in a wireless communication system, as described below, and the method comprises the following steps: dividing into at least one group a virtual bitmap comprising displayed values of association IDs (AIDs) of stations that are coupled to an access point; saving a first portion, which includes a first display value but does not include a first AID for receiving data from the access point, in a virtual bitmap of each of the divided groups as an offset value in a bitmap control field, the first portion including a first display value but not including a first AID for receiving data from the access point; setting a second portion from the virtual bitmap of each of the divided groups as a partial virtual bitmap field, the second portion being the portion excluding the first portion; and generating the traffic indicator map including the bitmap control field and the partial virtual bitmap field for each of the divided groups. | 01-30-2014 |
20140036727 | ROUTING METHOD AND APPARATUS FOR SETTING OPTIMUM MULTI-HOP HYBRID V-MIMO TRANSMISSION PATH FOR WIRELESS AD HOC NETWORK - The present invention relates to a method for setting the optimum transmission path for increasing energy efficiency in a wireless ad hoc network. More particularly, the present invention relates to setting an optimized data transmission path in a multi-hop data transmission environment in a wireless network comprising machine to machine (M2M) communication devices, which operate with limited energy, based on link information of the network, such as the position of a node in the network. And to this end, the present invention relates to a wireless M2M communication network protocol minimizing energy consumption by selecting the optimum transmission method for each of the hops from the following transmission methods: a single input single output (SISO) method; a virtual single input multiple output (V-SIMO) method; and a virtual multiple input multiple output (V-MIMO) method. | 02-06-2014 |
20140044118 | METHOD AND DEVICE FOR TRANSMITTING A SYNCHRONIZATION SIGNAL IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method and device for an access point to transmit a signal in a wireless communication system. A method for an access point to transmit a synchronization signal includes: generating a frame for synchronizing a timer of a station connected to an access point; and transmitting the frame for synchronization. The frame for synchronization may be transmitted before/after all Target Beacon Transmission Times. | 02-13-2014 |
20140066086 | FREQUENCY BAND DETERMINATION METHOD IN COEXISTENCE SCHEME - According to one embodiment of the present invention, provided is a frequency band (FB) determination method of a wireless access device which provides an access point to enable one or more terminals to wirelessly access a network. The method may comprise the steps of receiving database-related information from database servers which have database related to unused FBs of a television broadcasting band (TVBB), determining a database server to be accessed among the database servers on the basis of the database-related information, requesting the determined database server and receiving information on available FBs, and determining FBs, among the received operating FBs, for the one or more terminals. The operating FBs are determined by the database server so that the wireless access device can coexist with a neighboring homogeneous or heterogeneous wireless access device without mutual interference within the TVBB. | 03-06-2014 |
20140092863 | METHOD AND DEVICE FOR SCHEDULING A WIRELESS PERSONAL AREA NETWORK - The present specification sets forth a method for a device to transmit data in a wireless personal area network (WPAN), comprising the steps of: transmitting a transmission-band request message for transceiving non-contention data between a first coordinator and a second coordinator, the second coordinator operating in a different frequency channel from the first coordinator; switching an operating channel to the different frequency channel; receiving transmission-band allocation information corresponding to the transmission-band request message from the second coordinator through the switched different frequency channel; and transceiving data to/from the second coordinator according to the transmission-band allocation information. | 04-03-2014 |
20140126558 | SCHEDULING METHOD AND DEVICE HAVING CONTINUITY IN A WIRELESS PERSONAL AREA COMMUNICATION NETWORK - The present description discloses a method for a first device to transmit data in a WPAN (wireless personal area network), comprising the steps of: transmitting, to a second device, a message requesting a transmission bandwidth for transceiving non-competitive data of a first device; receiving, from the second device, transmission bandwidth allocation information corresponding to the message requesting the transmission bandwidth; and transceiving data to/from the second device according to the transmission bandwidth allocation information, wherein the transmission bandwidth allocation information may include length, gap, and window information on the transmission bandwidth for non-competitive transception. | 05-08-2014 |
20140128000 | Method for Channel Searching in a Medical Body Area Network - Provided is a method for channel searching for enabling a medical body area network (MBAN) terminal, which operates in an allocated frequency band, to use another frequency band. The method may comprise the steps of receiving an identifier of a specific channel group, from among a plurality of channel groups, from an MBAN coordinator in the allocated frequency band; and searching for a channel in a channel group relating to the received identifier of the channel group in a different frequency band. The identifier of the channel group indicates a channel group including channels that the terminal preferentially searches for in the other frequency band. | 05-08-2014 |
20140148100 | METHOD FOR CHANNEL SWITCHING IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR - The present invention provides a method for switching an operating channel of a device in a wireless personal area network (WPAN) system, and an apparatus therefor. Specifically, the method includes the steps of: setting an association with a first frequency band coordinator; receiving channel switching information from the first frequency band coordinator; channel switching to a second frequency-band channel using the received channel switching information; and setting an association with a second frequency band coordinator, wherein the channel switching information includes a residual time with a time limit which channel switches from a first frequency band to a second frequency band, an operating channel in the second frequency band, and a prearranged transmission time of a beacon frame in the operating channel in the second frequency band. | 05-29-2014 |
20140206407 | METHOD AND DEVICE FOR DISCOVERING NEIGHBORS FOR WIRELESS FIDELITY DIRECT (WFD) PEER TO PEER (P2P) COMMUNICATION - The present invention relates to a wireless communication system. In particular, the present invention relates to a method and device for performing the process of discovering neighbors for Wi-Fi P2P communication, the method including the steps of: checking at a first WFD P2P device whether there is WFD P2P group in which participation is possible; performing, at the first WFD P2P device, the operation for participating in the WFD P2P group in which participation is possible, if there is a WFD P2P group in which participation is possible, or performing, at the first WFD P2P device, the operation for creating a new WFD P2P group or entering a sleep mode, if there is no WFD P2P group in which participation is possible, wherein the operation for participating in the WFD P2P group in which participation is possible includes the steps of receiving information about a neighbor list on a second WFD P2P device (or devices) within the WFD P2P group from a specific WFD P2P device that manages the WFD P2P group, and periodically transferring neighbor advertisement information on the first WFD P2P device to the specific WFD P2P device, after receiving the neighbor list. | 07-24-2014 |
20140247817 | SCHEDULING METHOD IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - The present invention provides a scheduling method in a wireless personal area network (WPAN) system and a device therefor. Specifically, a method for allocating a guaranteed time slot (GTS) in a WPNA system comprises the steps of: receiving a GTS request command for requesting periodic GTS allocation from a device; and transmitting a beacon frame which includes periodic GTS allocation information to the device, wherein a GTS allocation interval is determined by GTS interval information included in the GTS request command, and an allocated periodic GTS expires if data or an acknowledgement (ACK) frame is not transmitted from the device within a section determined by the GTS allocation interval. | 09-04-2014 |
20140286278 | METHOD FOR TRANSMITTING AND RECEIVING A SIGNAL IN A WIRELESS COMMUNICATION SYSTEM - One embodiment of the present invention relates to a method for transmitting a signal by a first node in a wireless communication system, including the steps of a first node setting a connection for a reserved transmission and transmitting a signal to a first reception node in the time interval reserved as the connection setting, wherein, in the time interval, a signal transmission is allowed by a second node which is not included in the neighbor nodes of the first reception node. | 09-25-2014 |
20140301237 | METHOD FOR ACQUIRING INFORMATION ON OCCUPIED CHANNEL OF DEVICE WHICH SUBSCRIBES TO INFORMATION SERVICE IN TELEVISION WHITE SPACE BAND - Provided is a method for acquiring information on an occupied channel of an apparatus (hereinafter, “information service apparatus”) which subscribes to an information service in order to allocate a channel to an apparatus (hereinafter, “management service apparatus”), which is performed by a management apparatus, and comprises: transmitting, to the information service apparatus, an occupied channel query request message for query of information about one or more channels (hereinafter, “occupied channels”) occupied by the information service apparatus; and receiving, from the information service apparatus, an occupied channel query response message including the information about the occupied channels, wherein the occupied channel query request message includes an ID of the information service apparatus and information about a measurement period of the occupied channels, and the information service apparatus and the management service apparatus may be TVWS devices. | 10-09-2014 |
20140301552 | METHOD FOR WIRELESS LOCAL AREA NETWORK (WLAN)-BASED PEER TO PEER (P2P) COMMUNICATION AND APPARATUS FOR SAME - Abstract: The present invention relates to a wireless communication system. More particularly, the present invention relates to a method for performing WLAN-based P2P communication at the state where a P2P apparatus is connected to a cellular network and to a first P2P apparatus for the method. The method comprises: a step of receiving one or more pieces of key information from a cellular base station, each piece of key information including a key value corresponding to service identification information; a step of receiving an encryption data signal from a second P2P apparatus; and a step of performing a process of attempting to decrypt said encrypted data signal using one or more keys corresponding to one or more services in which said first P2P apparatus is interested, from among said one or more pieces of key information. | 10-09-2014 |
20150038139 | METHOD FOR REGISTERING WSO IN COEXISTENCE NETWORK - Provided is a method for registering TVWS devices for coexistence of television white space (TVWS) devices in a television white space (TVWS), the method performed a server and comprising receiving a registration request message for registration or update registration of at least one TVWS device from at least one management device; performing the registration or update registration of at least one TVWS device; and in response to the registration request message, transmitting a registration response message to the at least one management device, wherein the registration response message includes at least one of an identifier field of an interface device connected to the at least one TVWS device, a status field indicating a result of the registration or the update registration, and a reason field indicating a reason why the registration or the update registration is failed if the registration or the update registration is failed. | 02-05-2015 |
20150072702 | METHOD FOR SELECTING MASTER CM IN COEXISTENCE NETWORK - Disclosed according to one embodiment of the present invention is a method whereby a management device, which enables coexistence of television white space (TVWS) devices in a TVWS, sends a server a request for the selection of a master management device, the method comprising the steps of: determining whether a trigger condition for the process of selecting the master management device is satisfied; judging the management device as a candidate slave management device, and the other management devices as candidate master management devices, provided that the trigger condition is satisfied; and initiating the process for selecting the master management device, wherein the trigger condition may be based on the load balance parameter or geographical coverage parameter of the management device. | 03-12-2015 |
20150181633 | METHOD FOR SETTING LINK FOR WI-FI DIRECT COMMUNICATION AND DEVICE FOR SAME - The present invention relates to a wireless communication system. Specifically, the present invention relates to a method for setting a link for Wi-Fi Direct P2P communication and a device for the same, the method comprising the steps of: discovering, by a STA, whether a joinable WFD communication group exists; and setting, by the STA which discovered a new WFD target, a link for joining into a joinable WFD group if the joinable WFD group exists. | 06-25-2015 |
20150189577 | METHOD FOR SETTING UP HIGH-SPEED LINK IN WLAN SYSTEM AND DEVICE FOR SAME - The present invention relates to a wireless communication system, and more specifically, to a method for setting up a high-speed link in a WLAN system and a device for the same. A method for setting up a high-speed link by a station (STA) in a WLAN system, according to one embodiment of the present invention, can comprise the steps of: transmitting a frame including identification information and/or fragment identification information of a previous access point (AP) from the STA to a current AP; and receiving Generic Advertisement Service (GAS) query response information from the current AP, wherein when the identification information of the previous AP is included in the frame, the GAS query response information can be acquired by the current AP from the previous AP. | 07-02-2015 |
20150296416 | WI-FI DIRECT SERVICE METHOD USING NFC AND DEVICE THEREFOR - The present invention relates to a wireless communication system and more particularly, to a method for performing connection setting for Wi-Fi direct services communication and a device therefor, the method comprising a step of performing device discovery between two devices through an NFC touch. | 10-15-2015 |
Patent application number | Description | Published |
20130329690 | METHOD AND APPARATUS FOR TRANSRECEIVING DATA IN MEDICAL BODY AREA NETWORK - The present invention relates to a method for a terminal transreceiving data with a base station in a medical body area network (MBAN) comprising the following steps: receiving from the base station information on an available channel list, which shows at least one available channel from a second frequency band, through a first frequency band; channel switching from one channel from the first frequency band to one of the available channels from the second frequency band based on the information on the available channel list; and transreceiving data with the base station through the available channel to which the channel is switched. | 12-12-2013 |
20140003401 | METHOD AND APPARATUS FOR SCHEDULING WIRELESS PERSONAL AREA NETWORK | 01-02-2014 |
20140023014 | METHOD FOR CHANNEL SWITCHING IN WIRELESS PERSONAL AREA NETWORK AND APPARATUS FOR SAME - A method for a user equipment switching an operation channel in a wireless personal area network (WPAN), disclosed in the present invention, comprises the following steps: setting a PAN coordinator and an association for a first frequency band; receiving from the PAN coordinator of the first frequency band information for channel switching to a second frequency band; and setting the PAN coordinator and the association for the second frequency band based on the switching information that is received. | 01-23-2014 |
20140024404 | Method of Initializing a Channel in a Medical Body Area Network - According to the disclosure of the present invention, a method of a Network Body Area Network (MBAN) master to control the channel defaulting of an MBAN terminal in an MBAN system is provided. The method includes: performing an association process with the MBAN terminal through a channel of a first frequency band; and transmitting control information for the channel initialization of the MBAN terminal to the MBAN terminal. The control information includes a channel defaulting timer, and a value of the channel defaulting timer indicates a time between the timing when the MBAN terminal cannot receive a signal from a channel of the first frequency band in use and the timing when the channel search of a second frequency band starts. | 01-23-2014 |
20140036863 | Channel Switching Method in a Medical Body Area Network - The disclosure of the present invention provides a method for a Medical Body Area Network (MBAN) to control, through a master, the channel switching of an MBAN terminal that uses a channel of a first frequency band in an MBAN system. The method includes: receiving information related to the use of each channel of a second frequency band from an MBAN controller; and transmitting information on a channel of the second frequency band that the MBAN terminal is to switch on the basis of the received information related to the use of each channel of the second frequency band. The first frequency band and the second frequency band are distinguished from each other based on whether the MBAN terminal uses a corresponding frequency band first. | 02-06-2014 |
20140314032 | Method and Apparatus for Transmitting and Receiving a Whitespace Map in a Wireless Communication System - The present invention relates to a wireless communication system, and more specifically, to a method and apparatus for transmitting and receiving a whitespace map. The method for transmitting whitespace map (WSM) information from a first station (STA) to a second STA includes the steps of: setting a map version bit value included in the WSM information as a predetermined value; and transmitting the WSM information including the predetermined map version bit value to the second STA. | 10-23-2014 |
20140376474 | METHOD FOR SETTING OPERATING CHANNEL IN WHITE SPACE BAND AND DEVICE THEREFOR - Disclosed are a method for setting an operating channel in a white space band and a device therefor. Particularly, a method for enabling a first device to set an operating channel in a white space band comprises the steps of: acquiring information on an available TV channel from a geo-location database; and setting an operating channel on the basis of the information on the available TV channel, wherein a center frequency of the operating channel can be set differently according to a TV channel used by an incumbent device among TV channels adjacent to the TV channel on which the operating channel is set. | 12-25-2014 |
20150043338 | Method for Selecting a Master CM in a Coexistence Network - The present invention relates to a method for requesting the selection of a master management apparatus through a server by a management apparatus enabling television white space (TVWS) apparatuses to coexist in a TVWS. The method includes the steps of: determining whether the trigger condition of the process for selecting the master management apparatus is satisfied; and requesting the selection of the master management apparatus by the server, wherein the master management apparatus is configured to determine a channel selection in the TVWS for terminals connected to the master management apparatus and a slave management apparatus, and the trigger condition can be based on the load balance parameters or geographical coverage parameters of the management apparatus. | 02-12-2015 |
20150063332 | METHOD FOR SETTING OPERATING CHANNEL IN WHITE SPACE BAND AND DEVICE THEREFOR - A method for setting an operating channel in a white space band and a device therefore are disclosed. Specifically, a method for setting an operating channel in a white space band by a device comprises the following steps: receiving a white space map including information on a an available TV channel and an offset value in the available TV channel; and setting an operating channel on the basis of the information on the available TV channel and the offset value in the available TV channel, wherein the offset value indicates a shift amount of the center frequency of the operating channel from the center frequency of the available TV channel. | 03-05-2015 |
20150078287 | METHOD AND APPARATUS FOR DETERMINING OPERATING CHANNEL IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a wireless communication system and, more specifically, to a method and an apparatus for determining an operating channel. The method for determining the operating channel of a station (STA) in a TV whitespace (TVWS) wireless LAN system, according to one embodiment of the present invention, comprises the steps of: receiving information on an index which indicates an operating class including channel start frequency, channel spacing, and channel set parameters; and determining a main frequency of the operating channel on the basis of the parameters indicated by the index of the operating class. The main frequency of the operating channel can be determined on the basis of a correction value which is set differently according to the configuration of a basic channel unit of the operating channel. | 03-19-2015 |
20150139099 | METHOD FOR SETTING OPERATING CHANNELS IN WHITE SPACE REGION, AND APPARATUS THEREFOR - The present invention relates to a method for setting operating channels in a white space region and to an apparatus therefor. In particular, the method for a device to set operating channels in a white space region includes the steps of: obtaining information on available TV channels from a geolocation database; and setting operating channels including multiple bandwidths in a plurality of consecutive TV channels, wherein the central frequencies of signals that are transmitted over two consecutive TV channels included in the plurality of consecutive TV channels, respectively, can be moved by as much as a first offset (m) and a second offset (n) in the direction of the center of the two consecutive TV channels, respectively. | 05-21-2015 |