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Class 370/314 - Using time division multiplexing


Subclass of Class 370 - Multiplex communications
Definition: Subject matter in which access to the transmission medium
No. of patents: 221
Last issue date: 05/15/2012


1            
NumberTitleIssue Date
8179831Communication systems
A transmission method for use in a multi-hop wireless communication system is provided. The system includes a source apparatus, a destination apparatus and two or more intermediate apparatuses. The system has access to a time-frequency format for use in assigning av...
05/15/2012
8121065TDMA controller for a wireless communication system and method of operating same
A time division multiple access (TDMA) controller and method for operating the same includes a frame position module that generates a frame position signal. The controller also includes a signal module that generates a signal-on signal and a signal-off signal and a ...
02/21/2012
8085700System node and method for providing media arbitration
A multi-node communications system is provided with communications protocol using both static (11, 12, 13, 18) (pre-determined) and dynamic (51, 52, 53 . . . ) (run-time determined) consecutive communication slots is used. The system has a number of di...
12/27/2011
8054774Multi-slot packet data transfer method
A multislot packet data transfer method (300) for a mobile station alters a transmission (370) of a radio block on a last transmission timeslot in a block period (320) immediately preceding an idle frame when the mobile station is in an allowed ...
11/08/2011
7957333Receiver system and method for switching among a plurality of antenna elements to receive a signal
A receiver system and method for switching among a plurality of antenna elements to receive a signal. At least a portion of plurality of antenna elements receive a transmitted signal, such that the transmitted signal includes a plurality of sub-channels that are tra...
06/07/2011
7860040Distributed synchronization method and system
A distributed synchronization method in a communication network is disclosed. A number of stations exchange messages between themselves. A synchronization pattern characteristic of the clock reference of the sender is inserted into each message transmitted by a send...
12/28/2010
7852796Distributed multichannel wireless communication
Systems and methods are provided that facilitate distributed multichannel wireless communication and provide the highest level quality of service (“QoS”) guarantee and support extremely high bandwidth applications such as voice over internet protocol (“VOIP”...
12/14/2010
7764638Monitoring apparatus and monitored apparatus
A monitoring unit connected via a communication line to monitored units and serially receiving notifying information given from each of the monitored units with time division multiplexing communications, includes a receiving unit receiving information related to eac...
07/27/2010
7649858Method and apparatus for providing radio bearer multiplexing within segmentation protocol
A method is disclosed for multiplexing a plurality of data flows onto a radio channel, as is a wireless communication system that operates in accordance with the method. The method includes steps of (a) segmenting data packets of a first data flow into radio blocks;...
01/19/2010
7620002Apparatus and method for controlling multiplex number in spatial domain
This invention provides a controller of multiplex number in spatial domain that collects from a plurality of radio communication apparatuses the number of terminals connected thereto and the multiplex number in spatial domain, determines the ratio of (the number of ...
11/17/2009
7532592Wireless communication system capable of saving time for mutual data communication in sniff mode
A wireless communication system capable of saving time for mutual data communication in a sniff mode. The wireless communication system has: a master apparatus for calculating a sniff parameter including a time of a sniff period capable of performing the communicati...
05/12/2009
7489650Method, apparatus and system of packet transmission
Embodiments of the present invention provide a method, apparatus and system which may include selecting, based on a predetermined criterion, a modulation type and/or a protection mechanism to be used for transmission of a data packet, e.g., in wireless LAN communica...
02/10/2009
7463600Frame structure for variable rate wireless channels transmitting high speed data
A frame structure that is optimized for providing variable high data rates. Superframes, each comprised of a predetermined number of frames, carry data communications at one or more variable data rates. Each data customer is allotted one or more frames or portions o...
12/09/2008
7450535Pulsed signaling multiplexer
In one embodiment, a pulsed signaling multiplexer is described that comprises a first AC-coupled transmitter and a second AC-coupled transmitter. The first AC-coupled transmitter includes a first driver having a first input to receive first data and a first output. ...
11/11/2008
7423997Group scheduling in wireless communication systems
A wireless communication network (100) wherein information is communicated in frames comprising multiple sub-frames, including grouping a terminal in first and second groups, assigning the first and second groups to less than all sub-frames in a frame, assign...
09/09/2008
7405980Shared terminal memory interface
A memory architecture for a disk drive system in which Synchronous Random Access Memory (SRAM) and Dynamic Random Access Memory (DRAM) functions are provided on separate integrated circuits, and an interface protocol for transmitting information between these two me...
07/29/2008
7403497Data transport between a media gateway and server
A system and method for reducing latency includes receiving at a gateway time division multiplexed data from multiple sender devices, the time division multiplexed data including payloads. The method also includes a generated packet that includes the payloads from t...
07/22/2008
7397785Method for enhancing fairness and performance in a multihop ad hoc network and corresponding system
A method for enhancing the fairness and performance in a multihop ad hoc network, the method usually including providing contention synchronization information regarding a transmission between nodes of the network, wherein the information is routinely provided to no...
07/08/2008
7391758UMTS radio link control with full concatenation
Enhanced throughput is achieved by using full concatenation of SDUs, SDU fragments, and STATUS PDUs within the protocol data units of a UMTS-based system. ...
06/24/2008
7372372Sequence inversion keyed countdown timer utilized within a utility meter system
An automatic meter reading system that includes a head end controller and an endpoint that is interfaced to a utility meter. The head end controller and the endpoint communicate via RF communication. The endpoint includes an internal clock that synchronizes itself t...
05/13/2008
7358857Global positioning systems applications
A global positioning system includes a fixed base unit of known position and at least one mobile unit, the base unit and the mobile unit each including a GPS receiver. This system further includes means for comparing the simultaneous GPS identified positions of the ...
04/15/2008
7349691System and apparatus for performing broadcast and localcast communications
Described is a communication system including mobile communication devices. In the described system, the mobile devices many be wrist-worn watches such as are in common use today, except that the watches are specially configured to receive data in a “broadcast” ...
03/25/2008
7346019Methods and apparatus for providing a tolerable delay for slotted messages in wireless communication networks
In one illustrative example, a plurality of page message requests for a plurality of mobile devices which operate in a wireless communication network are received. One or more paging slots assigned to the mobile devices are identified for transmitting a plurality of...
03/18/2008
7342895Method and system for peer-to-peer wireless communication over unlicensed communication spectrum
The present invention provides a method and system for peer-to-peer wireless communication over an unlicensed communication spectrum without routing or relaying of messages. Low-cost wireless communication is made possible by providing direct, peer-to-peer wireless ...
03/11/2008
7336643TDMA communications apparatus
A TDMA communications apparatus is provided with a central processor and a control circuit for resetting or fine-adjusting a count value of a slot timing generating counter which generates slot timing pulses used for establishing synchronization of communication. Th...
02/26/2008
7336926Communication device and method
The present invention relates to a communication apparatus and method for controlling a communicating device by sending predetermined command data without directly operating the communicating device. In step S6, a PDA sends command data described in XML forma...
02/26/2008
7336683Efficient communication system for reliable frame transmission over broad SNR ranges
An exemplary satellite communication system comprises a service provider unit communicably coupled to a number of subscriber units via satellite transmission. The service provider unit includes an encoder configured to encode source data into a serial transmit seque...
02/26/2008
7330455Method and communication device for expanding the range of data transmission rates in wireless local area networks
A communication device and a method for transmitting data in wireless local area networks is provided. The device and method are deployed in networks in which the data information elements include an element identification part, a length statement part and an inform...
02/12/2008
7330445Wireless communication system capable of saving time for mutual data communication in sniff mode
A wireless communication system capable of saving time for mutual data communication in a sniff mode. The wireless communication system has: a master apparatus for calculating a sniff parameter including a time of a sniff period capable of performing the communicati...
02/12/2008
7327700Flexible multi-channel multi-thread media access controller and physical layer interface for wireless networks
A wireless signal processor for handling a plurality of wireless sessions comprises a plurality of baseband receivers, one for each session, each receiver producing a digital output, a multiplexer for multiplexing the plurality of digital outputs into a single data ...
02/05/2008
7324508Crossbar switching circuit and operating method thereof
A crossbar switching circuit and operating method thereof for coupling a plurality of source providers to a plurality of source consumers based on the request of the source consumer are provided. The crossbar switching circuit includes a plurality of source consumer...
01/29/2008
7319683Radio base station, control method therefor, and program recording medium
In a radio base station (100) that communicates with a mobile station according to the PHS standards, a reception timing detection unit (55) measures the time when a UW signal of a signal separated by a signal regulating unit (51) for each mobil...
01/15/2008
7313154TDD frame format
A method of operating in a point-to-multipoint communication system with a base station and a plurality of remote stations, wherein the communication system enables transmission of data in a multicast mode with different Quadrature Amplitude Modulation (QAM) levels,...
12/25/2007
7310380Generic transmission parameter configuration
A method of determining transmission parameters for a wireless transceiver is disclosed. According to the method, a state table is loaded into a transceiver. The state table includes a plurality of states, each of which has a set of transmission parameters associate...
12/18/2007
7304990Method of encoding and transmitting data over a communication medium through division and segmentation
A method of encoding and transmitting data over a communication medium, comprising, providing a file; dividing said file into a plurality of buckets; segmenting each bucket into a et of blocks; selecting a subset of blocks from a bucket; generating a packet by combi...
12/04/2007
7304988Technique for building a large single-stage cross-connect using multiple devices without interleaving
A digital cross-connect switching system that has a single-stage architecture, a scalable bandwidth, and reduced connection memory storage requirements. The scalable bandwidth digital cross-connect switching system includes a plurality of digital cross-connect build...
12/04/2007
7302230Method of selecting of a path to establish a telecommunication link
The present invention relates to a method of selecting of a path to establish a communication link between a first node and one of a plurality of access points of a wireless cellular telecommunication system, the wireless cellular telecommunication system having sec...
11/27/2007
7301932Method and system for multiple access in a radiocommunication system
A method for multiple access in a radiocommunication system which avoids forming a signaling multiframe with an inflexible turn of transmission. A fixed unit broadcasts over a pilot channel a predetermined number of virtual identities for signaling which form the si...
11/27/2007
7289494Systems and methods for wireless communication over a wide bandwidth channel using a plurality of sub-channels
A method of communicating over a wideband communication channel divided into a plurality of sub-channels comprises dividing a single serial message intended for one of the plurality of communication devices into a plurality of parallel messages, encoding each of the...
10/30/2007
7289578Wireless local area network apparatus
A wireless local area network apparatus includes a transmitter and a receiver in which operation of the receiver is accurately synchronized with periodic signals from the transmitter. The periodic signals contain timing data indicating the state of a timer in the tr...
10/30/2007
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