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Polling

Subclass of:

370 - Multiplex communications

370431000 - CHANNEL ASSIGNMENT TECHNIQUES

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
370449000 Polling 44
20080198869Enhanced polling method for preventing deadlock in a wireless communications system - A method of polling in a wireless communications system includes prohibiting polling within a predetermined period and triggering a poll function while polling is prohibited. After the predetermined period has expired the method determines that there are no protocol data units (PDUs) scheduled for transmission or re-transmission and that the poll function was triggered by a “Last PDU in Retransmission buffer” trigger, and selects a PDU to schedule for re-transmission to fulfill the poll function.08-21-2008
20080212605Enhanced polling method for preventing deadlock in a wireless communications system - A method of polling in a wireless communications system includes prohibiting polling within a predetermined period and triggering a poll function while polling is prohibited. After the predetermined period has expired the method determines that there are no protocol data units (PDUs) scheduled for transmission or re-transmission and that the poll function was triggered by a “window-based” trigger, and selects a PDU to schedule for re-transmission to fulfill the poll function.09-04-2008
20080232391METHOD AND SYSTEM FOR ADAPTIVELY OBTAINING BANDWIDTH ALLOCATION REQUESTS - A method and apparatus for adaptively obtaining bandwidth requests in a broadband wireless communication system. The method and apparatus includes dynamically varying technique combinations enabling a plurality of users to efficiently request bandwidth from a shared base station. A user may “piggyback” a new bandwidth request upon, or set a “poll-me bit” within, presently allocated bandwidth. A base station may poll users, individually or in groups, by allocating unrequested bandwidth for new requests. Polling may respond to a “poll-me bit,” and/or it may be adaptively periodic at a rate based on communication status parameters, such as recent communication activity and connection QoS levels Group polling permits a possibility of collisions. Polling policies may be established for dynamically varying user groups, or may be determined for each user. Dynamic selection of appropriate polling techniques makes use of efficiency benefits associated with each technique.09-25-2008
20080240144File server pipelining with denial of service mitigation - A method of metering bandwidth allocation on a server using credits is disclosed. The method may receive a request for data from a client, respond to the request for data and determining if the request for data for the client exceeds a current data allocation credit limit for the client. Using the round trip time, the method may calculate a connection throughput for a client and may increase the current data allocation credit limit for the client if the server has resources to spare, the client is actively using the current pipeline depth allowed and network connection latency and bandwidth indicate a deeper pipeline is necessary for saturation. The method may decrease the current data allocation credit limit for the client if the server does not have resources to spare.10-02-2008
20080240145Method and apparatus of connectivity recovery in wireless network - A wireless communication device and a method of re-establishing a connection with a WPAN master device is presented. The method includes detecting that a first master station of a WPAN session which includes the first master device and one or more stations becomes unavailable, activating a master station application to become a second master station and sending one beacon to notify the stations of the session about the second master station connectivity parameters.10-02-2008
20080259948System and method for operating a communications system10-23-2008
20080267210Media channel switching - The present invention discloses methods and systems for switching between media channels. Pursuant to these methods and systems, a broadcast source may provide multicast streams to client devices for presentation of media channels to a user. When a client device requests to switch channels, a client device that is receiving the requested channel initially transmits a unicast stream for the requested channel to the client device switching channels. The requesting client device upon receipt of this unicast stream may then provide the corresponding channel to the user.10-30-2008
20080279211METHOD AND APPARATUS FOR PROVIDING PIGGYBACKED POSITIVE ACKNOWLEDGEMENT/NEGATIVE ACKNOWLEDGEMENT FIELD INDICATOR AND A POLLING INDICATOR - A method and apparatus of providing a piggybacked positive acknowledgement/negative acknowledgement (ACK/NACK) (PAN) field indicator (PANI) and a polling indicator are disclosed. A combined field of a PANI bit, a relative reserved block period (RRBP) bit and an EGPRS supplementary polling (ES/P) field may indicate a polling scheme and a presence of a PAN field. Alternatively, the presence of the PAN field in the data block may be indicated by using a specific training sequence. Alternatively, a forward error correction (FEC) coding may be performed on the data block including the header, and the presence of the PAN field may be indicated by scrambling the encoded bits corresponding the header with a specific scrambling sequence. Alternatively, a header check sequence (HCS) may be generated and the presence of the PAN field is indicated by mixing a predetermined sequence with the HCS.11-13-2008
20080279212Communnication system, information management apparatus, information management method, information processing apparatus, and information processing method - In a communication system, an information processing apparatus communicates with an information management apparatus via polling communication. In the information management apparatus, specification information including information specifying a timing condition of polling communication is stored, and the specification information is transmitted to the information processing apparatus in response to a request from the information processing apparatus. Transmission of the specification information is performed each time the request is issued via polling communication by the information processing apparatus when the specified timing condition is met. In the information processing apparatus, if the specification information is received, the timing condition is set such that next polling communication is performed when the time condition specified by the specification information is met. The polling communication is started when the timing condition set by the setting unit is met to request the provision of specification information specifying the timing condition of further next polling communication.11-13-2008
20080285583Method and Apparatus for Polling Transmission Status in a Wireless Communications System - A method for polling transmission status in a transmitter of a wireless communications system includes forming a status protocol data unit including a poll sequence number field indicating a sequence number of a protocol data unit to be polled when a polling procedure is triggered to poll a receiver, setting a value of the poll sequence number field to be a sequence number of a next protocol data unit to be transmitted for the first time minus 1, and transmitting the status protocol data unit to the receiver.11-20-2008
20080285584Method and Related Apparatus for Handling Re-establishment of Radio Link Control Entity in a Wireless Communications System - A method for handling re-establishment of a radio link control entity having a transmitting side and a receiving side in a wireless communications system includes storing a plurality of control protocol data units, and reserving a poll super field in the plurality of control protocol data units when only the receiving side is re-established.11-20-2008
20080298386Polling - A system for mobile device poll creation and conductance disclosed. A poll is created using poll creation software on a mobile device, personal computer or a web-based application. A polling server then validates the poll and publishes the poll to one or more mobile devices. The users of the one or mobile devices may then respond to the poll via their mobile device, a personal computer, or a web-based application. The results are sent to the polling server and are processed. The results of the poll are then published to the poll creator and the poll participants.12-04-2008
20080304507QUASISYNCHRONOUS RESERVATION REQUESTS - Methods and apparatuses are presented for communicating using a shared communication medium. A request is sent in a request signal space where the request represents a code sequence that is a member of a set of code sequences. Each member is characterized by an autocorrelation function that has a peak centered at zero time offset. Each member is further characterized by a cross correlation function. The cross correlation function has a low correlation window having a width and surrounding a zero time offset. An assignment is received that assigns the request to a transmission opportunity in a scheduled transmission signal space. The assignment is made in response to detecting the code sequence from receiving multiple requests having relative timing offsets less than the width of the low correlation window. A data transmission is sent using the assigned transmission opportunity in the scheduled transmission signal space.12-11-2008
20090059950INFORMATION POLLING METHOD, APPARATUS AND SYSTEM - The invention provides an information polling method, apparatus and system thereof, wherein a message gateway receives an information polling request from an application in an application client, and according to the received information polling request, the message gateway acquires at least one message requested by the application and calculates a reference polling cycle of the application, and sends the acquired message requested by the application and the reference polling cycle to the application. The application determines a polling cycle of a next poll according to a load condition of the application client and the received reference polling cycle. According to the invention, efficiency and quality of the information polling is improved, while the system is ensured to run normally, reducing the cases of message blocking and system breakdown which may occur in the existing situations.03-05-2009
20090190606SYSTEM AND METHOD FOR POLLING IN ETHERNET PASSIVE OPTICAL NETWORK - Disclosed is a system and a method for polling in an Ether net Passive Optical Network (EPON). The system includes: multiple Optical Network Units (ONUs) for sharing optical channels of the EPON with one another and transmitting traffic; and an Optical Line Terminal (OLT) for discriminating a plurality of ONUs gaining access to the EPON among the multiple ONUs and then collecting routing information on the plurality of ONUs gaining access to the EPON, and for classifying the plurality of ONUs gaining access to the EPON into two or more ONU groups according to the collected routing information and then carrying out forming a polling cycle and allocating bandwidth on each ONU group. Therefore, a transmission idle period in a traffic channel is not only minimized, but an availability ratio of traffic channels can also be maximized.07-30-2009
20090296731METHODS FOR ADDRESS ASSIGNMENT - Methods for CEC logical address assignments and HDMI physical address assignments. Some embodiments determine a required HDMI physical address to be assigned to an upstream HDMI-CEC device and provide the required HDMI physical address. Other embodiments assign consistent CEC logical addresses to a plurality of HDMI-CEC display devices in different HDMI-CEC network views.12-03-2009
20090310618Low Power Receiving - The disclosed methods of low power communications facilitate high speed reception of data from an access point (AP) with low transmission latencies while remaining in power save mode as long as possible. The disclosed methods allow the client to remain in a power save state and involve creating a synchronous client frame exchange with the AP that is independent of a digital traffic indication map and the AP's beacon interval. Two methods to accomplish this goal are disclosed: one which involves sending PS Poll Frames; and one that includes fast CAM switching, both at a self tuning frequency.12-17-2009
20090310619BANDWIDTH EFFICIENT WIRELESS NETWORK MODEM - A modem that provides efficient use of wireless network bandwidth in the presence of multiuser interference and noise is disclosed. The modem design provides for compatibility with existing network hardware and protocols so that new efficient modems may be added to the network without removing installed hardware and software.12-17-2009
20100080241SYSTEM AND METHOD FOR PROVIDING TIMER AFFINITY THROUGH ENGINE POLLING WITHIN A SESSION-BASED SERVER DEPLOYMENT - The session-based server deployment can be comprised of an engine tier that is designed for high throughput processing of communications and a state tier that maintains state information for access by the engine tier. The engine tier can include a plurality of engine nodes that process incoming messages. The state nodes can contain call state, including various timers. When processing a call, an engine can set various timers in the state tier. The engine can then periodically poll the state tier for any timers that have expired. Upon expiration of a timer, the timer can be assigned to the corresponding engine node which handled previous communications for the call. This affinity between the timer and its respective engine can provide numerous benefits, such as reduced latency and more localized data access.04-01-2010
20100124235SYSTEM AND METHOD FOR CONTROLLING USE OF A NETWORK RESOURCE - A system includes a control source that is provided on a server and control logic that executes on a terminal. The control logic executes on a terminal to (i) identify a plurality of attributes on the terminal, the attributes including an identifier for each of a plurality of terminal assets that include one or more of a hardware fixture, firmware, or operating system; and (ii) generate signature data from the plurality of attributes. The control source is configured to make a determination from the signature data as to whether the terminal is known or unknown.05-20-2010
20100238950USE OF GROUP POLL SCHEDULING FOR BROADBAND COMMUNICATION SYSTEMS - A group poll mechanism (GPM) that schedules upstream bandwidth for cable modems by pointing a request opportunity normally reserved for a single service flow to more than one service flow. Essentially, instead of using the seldom-used poll requests one per service flow, this same request opportunity is pointed to multiple service flows. In such kind of a scheme the GPM gives the same mini-slot to multiple service flows. The GPM implements the use of place-holder SIDs and novel mapping of information elements in MAP messages.09-23-2010
20110051743Polling method compliant to Bluetooth protocol for increasing transfer efficiency and system thereof - A polling method compliant to Bluetooth protocol is utilized for increasing transfer efficiency. In a Bluetooth piconet, a master queries each slave to determine the slaves supporting a predetermined protocol. The master determines a predetermined address as the instruction of the predetermined protocol. When the master sends a polling packet with the predetermined address to the supporting slaves, the supporting slaves can respond in sequence. In this way, even if the supporting slaves increase, the master only has to send one single polling packet for all the supporting slaves responding, increasing the transfer efficiency.03-03-2011
20110134936MULTI-TIER POLLING - A polling arrangement where polling frequency and/or rates may be adjusted according to activities of end stations or other elements being polled. The ability to adjust the polling activities may be used to facilitate reducing or otherwise controlling network resources allocated to the supporting the polling or other messaging depending operations.06-09-2011
20110249685Method and device for scheduling data communication input ports - The present invention provides a method and device for scheduling data communication input ports, which comprises: monitoring a state of input ports, acquiring the information about valid input ports, dynamically allocating the buffer size for the valid input ports according to the valid input ports, calculating a time slice according to the bandwidth and priority of each valid input ports, and serving each valid input port according to the priority of the valid input ports and different time slices. With the solution of the present invention, the problems of buffer overflow and packet loss caused by the inconsistent bandwidths of the valid input ports and insufficient polling rate are eliminated, thereby improving the performance of processors.10-13-2011
20130156045LINK SCANNING METHOD FOR CASCADED REMOTE CONTROL UNITS, AND REMOTE ELECTRICAL TILT ANTENNA SYSTEM - The present invention discloses a link scanning method for cascaded RCUs and a remote electrical tilt antenna system. The method includes: receiving, a link scanning message and sending the link scanning message to the RCU in the next cascaded RCU; generating, a link scanning response message, sending the link scanning response message to the RCU in the preceding cascaded RCU, and reporting the link scanning response message to the CCU, and sending, the link scanning message to the CCU. In the present invention, by adding a time delay in the link of the remote end serial communication bus, each RCU does not respond to the link scanning message simultaneously, the time-delayed link scanning response messages in the link of the remote end serial communication bus of each RCU are not aliased, therefore, the bus conflict problem of the link scanning when the RCUs are cascaded is effectively solved.06-20-2013
20140241377Half-frame request opportunities and operation within wired and/or wireless communication systems - A communication device is configured to receive a message that indicates request opportunity parameter(s). Based on the request opportunity parameter(s), the communication device is configured to generate and transmit a transmission request within one of two or more request opportunities (e.g., 2, 3, 4, etc. or generally N request opportunities such that N is a positive integer greater than or equal to 2) indicated by the request opportunity parameter(s). The two or more request opportunities are included within mini-slot(s) that span OFDM sub-carrier(s) of OFDM or OFDMA framing. A given mini-slot spans an OFDM or OFDMA frame, and a mini-slot is divided into any desired number of portions (e.g., 2, 3, 4, etc. or generally N portions) such that each of the request opportunities within that mini-slot occupies a common fraction of the mini-slot (e.g., each occupies ½, ⅓, ¼, etc. or generally 1/N of the mini-slot).08-28-2014
20140369362ADAPTIVE MULTI-CLIENT SINGLE HOST TDMA COMMUNICATIONS - TDMA communications between a host device and a number of clients on a communications channel are dynamically adapted to allocate or de-allocate time slots in response to changes in the number of active clients. The system initially operates in a startup mode in which the host device transmits a startup message on the communications channel and assigns a timeslot in a TDMA cycle in response to connection requests received from each of the requesting clients. After exiting the startup mode, the system operates in a normal mode in which the host device initiates the TDMA cycle by transmitting a polling message on the communications channel that indicates a number of timeslots occurring within that particular TDMA cycle. The host changes the number of timeslots indicated in the polling message to responsively adapt duration of the TDMA cycle as the number of clients communicating via the communications channel changes.12-18-2014
370450000 Passing a signal identifying the idle or busy state of a channel (e.g., token passing) 17
20080232392METHOD AND SYSTEM FOR PROCESSING SESSION INITIATION PROTOCOL MESSAGES - A method and system for processing session initiation protocol messages including receiving a session initiation protocol message by a front end, parsing the session initiation protocol message by the front end, grouping the token types and the token contents in the session initiation protocol message respectively, and setting up corresponding links between the token types and the token contents, wherein the session initiation protocol message, after parsing, is transformed to the session initiation protocol offload engine message with a session initiation protocol offload engine message header part, for storing message level information, a token type part, for storing token type information, wherein it comprises a plurality of fixed-length entries, and a token content part for storing token contents, wherein it comprises a plurality of variable-length entries, and processing the transformed session initiation protocol offload engine message at the server end.09-25-2008
20090080456Token passing data transfer mechanism for reservation based protocols - Establishing communication between a first device and a second device participating in a reservation based communication protocol over a communication network and sharing the reservation to allow for data to be transmitted from both devices during the reservation.03-26-2009
20090190607METHOD AND APPARATUS FOR TRANSMITTING DATA AND METHOD AND APPARATUS FOR PERFORMING DATA TASK - A method and apparatus for transmitting data and a method and apparatus for performing a task for process migration are provided. The method of transmitting data includes: determining a data transmission priority using at least one of information relating to data needed to continuously perform a task, that is currently performing, in an external device and information relating to data transmission means; determining transmission methods for each data based on the data transmission priority; and transmitting data to the external device according to the determined transmission methods.07-30-2009
20100226387Apparatus and Method for Implementing A Suspend Mode In An Ethernet-Based Communications System - The present invention describes a communications system having a first link partner and a second link partner that are connected by a communications link having at least four pairs of conductors. According to IEEE Standard 802.3 (e.g. Ethernet) for 1000Base-T, a data link is maintained (in a period absent data transmission) by sending idle signals over four pairs of conductors of the cable to maintain a logical connection. This idle signal scheme is replaced with an alternate idle signaling scheme that uses only two pairs of conductors to maintain a logical connection and therefore can operate with using lower power. The other two pairs of conductors of the four pairs of conductors are unused to maintain a logical connection absent data transfer, and therefore can be used to implement a Suspend Mode of operation. During Suspend Mode, the physical layer of each link partner powers down unnecessary circuitry so as to operate in a low power environment. To initiate the Suspend Mode, idle signals are sent on one of the un-used pairs of the conductors mentioned above. To exit Suspend mode, idle signals are sent on respective conductors simultaneously.09-09-2010
20100290482METHOD FOR REDUCING ERRORS WHILE TRANSFERRING TOKENS TO AND FROM PEOPLE - A system, method and computer program produce for handling and minimizing miscommunication and transformation of tokens that are processed by humans, either verbally or in writing, during some part of a usage scenario. This is accomplished by filtering out confusing tokens, as determined by calculating a distance metric for each token. A distance metric may be calculated along a print modality, a visual modality or a verbal modality.11-18-2010
20120057605Bandwidth Control Method and Bandwidth Control Device - A communication device connected to a network includes an input interface that receives a frame; an output frame buffer that holds the frame received by the input interface; multiple bandwidth controllers that controls a read request notice timing of the frame received by the input interface for each flow; an output scheduler that determines a read timing of the frame on the basis of the frame read request of each flow notified by the bandwidth controllers; and an output interface that outputs the frame in the timing notified by the output scheduler, and each of the bandwidth controllers determines on the basis of a token value held by each flow, whether or not the read request of the flow is notified to the output scheduler, and determines the amount of adding or subtracting the token value on the basis of the accumulated number of frames in the output frame buffer.03-08-2012
20150016470METHOD AND APPARATUS FOR COMMUNICATING IN WIND FARMS - In the method according to the invention for communicating between installations, which are organized in an order according to a sortable feature, for example installation numbers, in a wind farm, in which information transmitted by an installation in the form of a message is received by all other installations in the wind farm, a cyclically recurring, temporal transmission interval is set up. A point in time in the transmission interval at which the installation can transmit a message is assigned to each installation on the basis of the position thereof in the order, wherein points in time are organized from the start of the transmission interval, starting from the installation number at the first position in the order, in accordance with the position in the order. The start of the transmission interval is synchronized in all installations using a message from the installation at the first position in the order.01-15-2015
20150131675Traffic Engineering Resource Collection and Coordination - In a central controller, a method for managing resources comprising sending a request to a node in a domain controlled by the central controller, wherein the request requests at least a portion of a resource of the node, receiving a response from the node, wherein the response contains information on the availability of the portion of the resource, and storing the information on the availability of the portion of the resource for use in establishing a multiprotocol label switching (MPLS) label switched path (LSP).05-14-2015
20160006667Anti-packet-loss real-time communication method, system and related device based on hierarchical coding - Disclosed are an anti-packet-loss real-time communication method, system and related device based on hierarchical coding. A transmitting end initially sets a coding parameter and a packaging parameter according to a network condition difference, and generates a payload containing coded data and protected data simultaneously according to the coding parameter and the packaging parameter and transmits the payload to a receiving end; the receiving end counts network status parameters according to the received payload and transmits the network status parameters to the transmitting end; and the transmitting end adjusts the coding parameter and the packaging parameter in real time according to the network status parameters, and generates a payload containing coded data and protected data simultaneously according to the adjusted coding parameter and packaging parameter. The present disclosure performs self-adaptive processing on packet loss or congestion occurring in a network during real-time communication, i.e., adjusts the code rate and transmission position of protected data in real time according to network conditions, thereby effectively preventing voice discontinuousness, image mess or pause occurring at a client, and improving the user experience.01-07-2016
370451000 On bus 8
20140328352COMMUNICATION SYSTEM AND COMMUNICATION METHOD - To provide a communication system and a communication method that are capable of determining with a simple configuration the validity of a message that is communicated with the communication system, a plurality of ECUs is connected in the communication system to a communication bus, allowing communication of messages. A communication interval, which is defined for each message being communicated, is set for each ECU. The ECU that transmits the message transmits the message on the basis of the defined communication interval. The ECU that receives the transmitted message detects the communication interval of the received message, and determines the validity of the received message on the basis of a comparison between the detected communication interval and the defined communication interval.11-06-2014
20150036693TRANSMISSION APPARATUS FOR TRAIN VEHICLE, TRAIN VEHICLE, CONTROL METHOD, AND CONTROL PROGRAM - According to an embodiment, a transmission apparatus is installed in a locomotive having ID information. A first connecting direction and a second connecting direction opposite the first connecting direction are defined for the locomotive. The transmission apparatus includes a transmission unit and a connection state determination unit. The transmission unit transmits the ID information received from other locomotive from one of the first connecting direction and the second connecting direction to other one of the first connecting direction and the second connecting direction. The connection state determination unit determines a connection state between the other locomotive and the locomotive in which the transmission apparatus is installed, based on the received ID information.02-05-2015
370452000 On ring or loop 6
20080317061METHODS AND SYSTEMS FOR DYNAMIC SUBRING DEFINITION WITHIN A MULTI-RING - Embodiments of the present invention automatically determine via heuristics optimal configurations to form sub-rings of nodes and where to position gateway processors among these sub-rings. The heuristics may be applied at a predefined timing interval configured by the user or in response to various events, such as a node failure or when a node joins the multi-ring network. Another embodiment of the invention may use automatic heuristics to determine when a suboptimal multi-ring configuration exists and formulates a new multi-ring configuration.12-25-2008
20110075681HIGH SPEED RING/BUS - A data communication bus and method of operation thereof, including a plurality of nodes connected to a respective plurality of media segments. A typical node includes an output port coupled to a media segment that it exclusively controls. And an input port coupled to a media segment that is exclusively controlled by another node of the bus. Each media segment typically includes a plurality of high speed data channels such as electrical transmission lines.03-31-2011
20120082170COMMUNICATION MANAGEMENT APPARATUS, COMMUNICATION APPARATUS, AND COMMUNICATION METHOD - A communication management apparatus includes a token-circulation-order-information storing unit that stores token circulation order, a token-frame processing unit that determines whether transmission right acquiring apparatus information of the token frame indicates the own apparatus and transmits a token frame in which first transmission right acquisition determination information indicating a sequence number of a communication apparatus that can acquire a transmission right in the token circulation order, second transmission right acquisition determination information indicating the number of frames that can be transmitted during one token frame circulation, and transmission right acquiring apparatus information indicating the next transmission destination of the token frame after the own apparatus acquired from the token circulation order are set, and a data-frame-communication processing unit that transmits and receives the data frame, thereby to reduce time required until a communication node that acquired the token frame transmits data.04-05-2012
20140301405HIGH SPEED RING/BUS - A data communication bus and method of operation thereof, including a plurality of nodes connected to a respective plurality of media segments. A typical node includes an output port coupled to a media segment that it exclusively controls. And an input port coupled to a media segment that is exclusively controlled by another node of the bus. Each media segment typically includes a plurality of high speed data channels such as electrical transmission lines.10-09-2014
20160080170COMPUTERIZED APPARATUS WITH A HIGH SPEED DATA BUS - A computerized apparatus configured for high-speed data transactions between components thereof In one embodiment, the computerized apparatus includes a high-speed data bus apparatus; a user interface apparatus in data communication with the high-speed data bus apparatus configured to enable a user to interact with the computerized apparatus; an input/output apparatus in data communication with the high-speed data bus apparatus and configured to interchange data with one or more devices external to the computerized apparatus; a mass storage apparatus in data communication with the high-speed data bus apparatus and configured to store data; a computer program for use by the high-speed data bus apparatus; and a substantially unified data interface in data communication with each of the user interface apparatus, the input/output apparatus, the mass storage apparatus, and the high-speed data bus apparatus.03-17-2016
370453000 Initialization or reinitialization of network 1
20080232393REMOVAL OF AMBIGUITIES IN FORMING NEW PICONET CONTROLLER (PNC) WHEN THE CURRENT PCN CONTROLLER IS SUDDENLY UNAVAILABLE - A piconet in which at least one master communication station and at least one slave communication station are self-designated implements a successor hierarchy. A wireless device (DEV) functioning as a piconet controller (PNC) poll a plurality of DEVs to obtain data concerning other DEVs in range of the respective polled DEVs. Data concerning stations in range of the respective polled stations is received and at least one successor DEV is selected as a successor PNC based on the received data concerning stations in range of the respective polled DEVs. The selection of the successor DEVs is communicated to the successor DEVs. This provides for continuity of communication.09-25-2008

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