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50 results about "Channel time allocation" patented technology
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Method and system for channel time allocation and access control in wireless networks
ActiveUS20070253391A1Network traffic/resource managementTime-division multiplexTelecommunicationsChannel time allocation
A channel time allocation and access control process for communication in wireless networks is provided. The channel time is divided into channel time blocks (CTBs), including one or more reserved CTBs and one or more unreserved CTBs. Schedules are implemented, wherein one or more periodic, equal-sized CTBs are reserved for isochronous streams. Dynamic CTB extension and truncation allow flexible channel time allocation.
Owner:SAMSUNG ELECTRONICS CO LTD
Method and apparatus for wireless communication in high-frequency band
InactiveUS20080013519A1Easy to useAssess restrictionTime-division multiplexComputer scienceChannel time allocation
A beacon packet is provided. The packet includes a first information field that includes channel-time-allocation information in a wireless network; and information about whether there is residual channel time that can be allocated to a device that belongs to the wireless network.
Owner:SAMSUNG ELECTRONICS CO LTD
Method of transferring a TCP stream in PAN
InactiveUS20050152394A1Easy to useSynchronisation arrangementError preventionChannel time allocationPersonal area network
Owner:SAMSUNG ELECTRONICS CO LTD
Method for exchanging data between devices on wireless personal area network
InactiveUS20050094657A1Efficient communicationNetwork traffic/resource managementAssess restrictionMedia access controlData transmission
The present invention relates to a method and an apparatus for bi-directionally exchanging data within an allocated channel time by improving the MAC (Media Access Control) of devices operating on a wireless PAN (Personal Area Network). The method of the present invention comprises the steps of (1) generating a channel time request frame containing directional information to determine whether data transmission is unidirectional or bi-directional, and transmitting the channel time request frame to a device responsible for channel time allocation; (2) generating a frame containing channel time allocation information including the directional information based on the information contained in the channel time request frame, and broadcasting the generated frame; and (3) exchanging data between first and second devices, which are designated as source and destination devices in the frame containing the channel time allocation information, during a predetermined channel time in accordance with the directional information.
Owner:SAMSUNG ELECTRONICS CO LTD
Method for controlling a data stream in a wireless network
InactiveUS7088702B2Improve throughput speedReduce the amount requiredNetwork traffic/resource managementNetwork topologiesData streamComputer network
A method is provided for transmitting data packets from a source device in a wireless network. The source device receives a channel time allocation identifying the source device as assigned to transmit and a destination device as assigned to listen during the channel time allocation. If the source device has any primary data to send to the destination device, it will do so during the channel time allocation. If time remains in the channel time allocation once the primary data (if any) has been sent to the destination device, the source device will determine whether it has any secondary data to send to a secondary device. If so, the source device will determine whether the secondary device will be listening during the channel time allocation. If the secondary device will be listening, the source device then sends the secondary data to the secondary device during the channel time allocation.
Owner:MOTOROLA INC +1
Throughput in a LAN by managing TCP acks
InactiveUS20110044338A1Improve reliabilityReduce overheadError prevention/detection by using return channelNetwork traffic/resource managementData segmentAlternative methods
A method and apparatus are described for managing acknowledgements, including identifying data packets and acknowledgements with a connection, determining which of the acknowledgements can be eliminated, replacing the acknowledgements that can be eliminated with a single acknowledgement and transmitting the single acknowledgement. An alternative method and apparatus are described for managing acknowledgements, including receiving a data segment, keeping track of connections, determining if there are enough data segments for a pre-determined number of channel time allocations and generating the acknowledgments for a selected connection if there are enough data segments for the pre-determined number of channel time allocations.
Owner:THOMSON LICENSING SA
Media access control protocol data unit aggregation in a time division multiple access media access control layer
ActiveUS20100091759A1Improve efficiencyImprove throughputColor television with pulse code modulationColor television with bandwidth reductionComputer hardwareTime division multiple access
A method and apparatus are described for creating a multi-media stream (e.g., video, voice, audio, etc. . . . ) Super-MAC frame in a physical protocol data unit, including inserting a physical layer header into a channel time allocation and generating the multi-media stream SuperMAC frame further including, appending a media access control header after the physical layer header, calculating a header correction code, appending the header correction code after the media access control header, appending a media access control multi-media stream payload from a transmit queue, calculating a frame check sequence, appending the frame check sequence after the media access control multi-media stream payload and repeating the above acts, after inserting the physical layer header, until one of the channel time allocation is full or all transmit queues are empty.
Owner:THOMSON LICENSING SA
Channel time allocation method in high rate WPAN
InactiveUS20050002362A1Effective supportSpecial service provision for substationSynchronisation arrangementStreaming dataHigh rate
Disclosed is a channel time allocation method in a high rate WPAN and a wireless system using the same. In the WPAN environment synchronized by a synchronization signal broadcasted from a coordinator, the channel time allocation method includes transmitting a channel time allocation request command corresponding to a property of an application data to be transmitted to the coordinator by any one of devices linked to the WPAN, and the coordinator allocating the channel time, inserting information of the allocated channel time to the synchronization signal, and broadcasting the synchronization signal to the devices. Accordingly, the channel time is allocated to fit for the property of the VBR stream data such as the MPEG-2 video so that the QoS of the VBR stream is provided. At the same time, reliability of the transmission of I frame is enhanced so that success rate of decoding the frame is increased.
Owner:SAMSUNG ELECTRONICS CO LTD
Wireless communication system, wireless communication device and method, and computer program
ActiveUS7359398B2Effect is exertedNetwork traffic/resource managementNetwork topologiesAsynchronous communicationInformation transmission
A system for wireless communication having a region for asynchronous information transmission and a region for information transmission. The system uses channel time allocation for storing data in a data transmission buffer and initially transmitting information via asynchronous communication. When an amount of data stored in the buffer exceeds a predetermined value, the system transmits information via channel time allocation communication. The predetermined value is obtained by dividing overall bandwidth of the asynchronous information region by a number of wireless communication stations forming a network. When no data is stored in the buffer during channel time allocation, an allocated channel time is released.
Owner:SONY CORP
Method for polling in a medium access control protocol
A method is provided for a master device (601) to allocate channel time. The master device sends a polling frame (240) to a current destination slave device (602) and a current polled slave device (603). The polling frame includes a current destination slave device address (350), a current polled slave device address (360), and a current payload (330). The master device receives a poll acknowledgement frame (280) if the current polled slave device does not wish to transmit data. However, if no poll acknowledgement frame is received, the master device waits for a set duration then sets the current destination device address to be equal to a new destination device address, sets the current polled device address to be equal to a new polled slave device address, and sets a current payload to be equal to a new payload. This can be repeated until a channel time allocation ends.
Owner:NORTH STAR INNOVATIONS
Channel time allocating method using ECAP in wireless personal area network
InactiveUS20070081490A1Improve service qualityRaise channel applicabilityNetwork topologiesData switching by path configurationResting timeTime segment
Provided is a channel time allocating method using Extended Contention Access Period (ECAP) in a wireless personal area network (WPAN). The method includes the steps of: a) receiving channel time allocation requests for data transmission from the Devices; and b) allocating channel time upon the channel time allocation request of the Devices and allocating a rest time period which are left behind after channel time allocation to the Devices as the ECAPs for competitive use of the Devices. The method can be used to allocate the channel time in the WPAN.
Owner:ELECTRONICS & TELECOMM RES INST
Distributed channel time allocation for video streaming over wireless networks
InactiveUS20080069201A1Color television with pulse code modulationColor television with bandwidth reductionDistortionChannel time allocation
A system for transmitting video from a plurality of transmitters to a plurality of receivers over a shared wireless channel includes a plurality of transmitters each receiving a respective video stream to transmit over the shared wireless channel. Distortion-related information is associated with each of the respective video streams and each of the plurality of transmitters having access to the distortion-related information for the respective video stream while not having access to the distortion-related information for other the video streams. Each of the plurality of transmitters using the respective distortion-related information of the respective the video stream to determine how to modify the video stream for transmission based upon a channel time constraint.
Owner:SHARP KK
Method and apparatus for direct reliable link access
ActiveUS20100054213A1Network traffic/resource managementTime-division multiplexMonitor modeTelecommunications
A wireless communication device and a method to establish a protected time for communication over a direct link between two stations of the same network. The method includes configuring at least one antenna for a direct link establishment, switching to a listening mode and waiting for a channel time allocation (CTA) for transmission. After receiving the CTA a source station sends a first frame to a destination station based on a channel time allocation value and receive a second frame from the destination station to complete an establishment the CTA.
Owner:INTEL CORP
Flow control method in wireless USB communication, and wireless USB device and wireless USB host using the same
InactiveUS20070038784A1Efficient transferNetwork traffic/resource managementStore-and-forward switching systemsCommunications managementTime information
A flow control method in wireless Universal Serial Bus (USB) communication, and a wireless USB device and a wireless USB host using the same are provided. The flow control method includes receiving a wireless USB communication management packet including channel time allocation information and information on a data transfer direction for one or more wireless USB devices that can communicate with a wireless USB host. The received wireless USB communication management packet is analyzed, and when the wireless USB device is short of a storage space for storing data received from the wireless USB host or when data to be transferred to the wireless USB host is not ready, a response packet including information on a time when the storage space or the data to be transferred to the wireless USB host will be prepared is generated in response to the wireless USB communication management packet. Then, the generated response packet is transmitted to the wireless USB host.
Owner:SAMSUNG ELECTRONICS CO LTD
Method for polling in a medium access control protocol
Owner:NORTH STAR INNOVATIONS
Channel time allocation method in high rate WPAN
InactiveUS7620011B2Effective supportSpecial service provision for substationSynchronisation arrangementStreaming dataHigh rate
Owner:SAMSUNG ELECTRONICS CO LTD
Wireless relay apparatus and wireless relay method
InactiveUS20070086421A1Time-division multiplexData switching by path configurationData streamChannel time allocation
A wireless relay apparatus and method of extending a wireless communication range between a host and a device by relaying packets between the host and the device in a wireless universal serial bus environment. The wireless relay apparatus includes a management packet analyzing unit which receives a management packet including channel time allocation information and information related to the transmission direction of data and analyzes the management packet; a response packet analyzing unit which receives a response packet, which is a response to the management packet, from a wireless USB device and analyzes the response packet; a control unit which controls a stream of data between a wireless USB host and the wireless USB device with reference to the analyzed management packet and the analyzed response packet; and a transmitting / receiving unit which transmits or receives the management packet, the response packet, or data according to the result of the control.
Owner:SAMSUNG ELECTRONICS CO LTD
Adaptive time allocation in a TDMA mac layer
InactiveUS20100054215A1Many timesAdapt quicklyNetwork traffic/resource managementAssess restrictionTransmission channelSelf adaptive
A method and apparatus for wirelessly re-distributing multi-media streams, including receiving multi-media streams at a master device from a source, adaptively determining channel time allocations in response to status information for transmit queues and transmission channel conditions, constructing a superframe from said multi-media streams for insertion into said downstream channel time allocations and wireless transmitting the channel time allocations to effect re-distribution of said multi-media streams to a remote device, are described. Also described is a method for wirelessly receiving re-distributed a multi-media stream including receiving a beacon signal and a channel time allocation and receiving said re-distributed multi-media stream.
Owner:MAGNOLIA LICENSING LLC
Apparatus and method of communication in a wireless network
A wireless communication device and a method of communication in a wireless personal area network (WPAN) are provided. The method includes assigning a shared channel time allocation across one or more neighbored networks, announcing the shared channel time allocation to the one or more neighbored networks enabling the neighbored network use the shared channel time allocation and communicating using a directional network access protocol on the shared channel time allocation which is towered directed to a communicated device.
Owner:INTEL CORP
Method and apparatus for dynamic bandwidth management
A wireless communication device, a wireless communication system and a method of allocating a time slot during peer to peer communication over a millimeter wave wireless channel. The allocation of the time slot is done by truncating a channel time allocated time slot and releasing a truncated channel time allocation time slot for communication without a piconet network controller intervention and dynamically allocating a contention access period utilizing the released channel time of the allocated time.
Owner:TAHOE RES LTD
Channel time allocation method and apparatus
Provided are a channel time allocation method and apparatus adopting the same. The channel time allocation method includes: (a) receiving a request of registering in a network from a device; (b) determining whether the network supplying a service required by the device exists; and (c) if the network supplying the requested service exists, performing a procedure of registering in the network, and if the network supplying the requested service does not exist, generating a new network. Since existing MAC protocols can be used in the channel time allocation method, an optimum service is provided in a network environment in which different kinds of services coexist.
Owner:SAMSUNG ELECTRONICS CO LTD
Apparatus and method of communication in a wireless network
A wireless communication device and a method of communication in a wireless personal area network (WPAN) are provided. The method includes assigning a shared channel time allocation across one or more neighbored networks, announcing the shared channel time allocation to the one or more neighbored networks enabling the neighbored network use the shared channel time allocation and communicating using a directional network access protocol on the shared channel time allocation which is towered directed to a communicated device.
Owner:INTEL CORP
Method for communication in coordinator-based wireless network and method for communication between coordinator-based wireless networks connected through backbone network
InactiveUS20050265372A1Readily apparentInformation formatNetwork topologiesData transmissionChannel time allocation
A method for communication between first and second coordinator-based wireless networks connected through a backbone network is provided. The method includes receiving a frame indicating data transmission containing information needed for remote channel time allocation (CTA) from a repeater connecting the second coordinator-based wireless network with the backbone network, sending a remote CTA frame in order for the repeater to request CTA from the coordinator within the second coordinator-based wireless network, and receiving a data frame originated from the first coordinator-based wireless network and then provided by the repeater during assigned channel time.
Owner:SAMSUNG ELECTRONICS CO LTD
Method and apparatus for wireless communication in high-frequency band
InactiveUS8149795B2Easy to useAssess restrictionTime-division multiplexChannel time allocationWireless network
Owner:SAMSUNG ELECTRONICS CO LTD
Method and system for channel time allocation and access control in wireless network for high-definition video transmission
ActiveUS8325686B2Network traffic/resource managementTime-division multiplexVideo transmissionHigh-definition video
Owner:SAMSUNG ELECTRONICS CO LTD
Improving throughput in a lan by managing tcp acks
InactiveCN101971590AError prevention/detection by using return channelNetwork traffic/resource managementData segmentAlternative methods
Owner:THOMSON LICENSING SA
Apparatus for requesting channel time allocation (CTA) in and method for receiving data during allocated channel time in coordinator-based wireless network
An apparatus and method for requesting channel time allocation in a coordinator-based network. The apparatus includes a controller generating a packet requesting channel time allocation required for reception of data from the coordinator and a transceiver that sends the generated packet to the coordinator. The packet includes information identifying that the device sending the packet is the device receiving the data.
Owner:SAMSUNG ELECTRONICS CO LTD
Distributed channel time allocation for video streaming over wireless networks
InactiveUS8861597B2Color television with pulse code modulationColor television with bandwidth reductionChannel time allocationDistortion
Owner:SHARP KK
Channel time allocation method and apparatus
InactiveUS7315534B2Time-division multiplexRadio/inductive link selection arrangementsDistributed computingChannel time allocation
Owner:SAMSUNG ELECTRONICS CO LTD
Method and apparatus for dynamic bandwidth management
Owner:TAHOE RES LTD
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