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7619980 System operable to transmit and receive messages  
A system, minimising transmission delays and avoiding loss of synchronisation, using a contention based multiple access protocol comprises n transceivers each comprising a detector for detecting...
7616655 Avoiding exposed node problems in wireless local area networks  
A method, apparatus and computer program product for avoiding exposed nodes in Wireless local Area Networks is presented. The method includes maintaining at a node a first timer (NAV_RTS) for a...
7616606 Mechanism for avoiding triggering silent radio squelch circuits  
A ‘smart’ sub-channel hopping control mechanism executes one or more sub-channel selection discriminators to enable the communications controller of a spectral reuse transceiver to delineate on...
7613204 Communication timing control method and apparatus, node, and communication system  
Each node in a communication system transmits and receives state variable signals indicating internal node states or timings, generates transitions in its internal state or timing at a basic rate...
7613191 Packet transmission method of wireless network  
A multicast packet transmitting method of wireless network is provided. According to the method, a first transmitting terminal adds a first acknowledge serial number into a multicast downlink...
7606258 Enhanced channel access mechanisms for an HPNA network  
A method and a system provide access to a communications medium that is suitable for allowing use of a plurality of Home Phoneline Network Association (HPNA) v2 frames in a centralized manner. Each...
7606256 Distributed trunking mechanism for VHF networking  
A system and method for communicating between nodes in a communications network. The network includes nodes that broadcast and receive data packets over a radio channel. The system includes a...
7606213 Wireless MAC layer throughput improvements  
Methods, apparatuses, and systems are presented for transmitting data packets in a wireless network over a multi-access channel involving sequentially sending a plurality of medium access control...
7606188 Explicit congestion notification for DOCSIS based broadband communication systems  
Satellite communications are carried out using the Data Over Cable Interface Specification (DOCSIS). Satellite modems are notified of upstream channel congestion by inserting a congestion...
7602803 Communication timing control method and apparatus, node, and communication system  
Each node on a communication path receives state variable signals from other nodes indicating the internal operating states or internal timing of the other nodes, and transmits a state variable...
7596123 Frame structures supporting voice or streaming communications with high speed data communications in wireless access networks  
A frame structure that is ordinarily optimized for providing variable high data rates also includes the flexibility to efficiently carry lower data rate, lower latency frames using sub-framing....
7593423 Quality of service differentiation in wireless networks  
A method provides differentiated quality of service (QoS) by providing adaptive updates to media access control (MAC) layer parameters on a distributed basis. The method includes calculating a...
7590386 Method for control of contention-based wireless access  
The present invention is a method for controlling access to a contention-based communication channel. Error types of a transmitted communication signal over the communication channel are classified...
7586933 Network comprising an interconnecting network and several network nodes that are coupled to said interconnecting network  
The invention concerns a network comprising an interconnecting network and several network nodes that are coupled to said interconnecting network and are designed to adapt their local communication...
7586927 Multistage cascade arbiter  
Multiple comparators compare the enable and priority values for multiple inputs and select a winner from one of the inputs. Multiple comparator stages each include one or more of the comparators....
7583691 Communications management method in a random access communication network with long times for transmission of access request acknowledgements  
A method is dedicated to communications management for a random access communications network, in which time intervals are broken down into access slots, and during each access slot, a network...
7580383 Adaptive modulation and other extensions of the physical layer in multiple access systems  
The present invention seeks to improve data exchange in a communications system that is especially standardized according to IEEE 802.11a. For this purpose, when the transmission medium, preferably...
7580358 Bidirectional communication control apparatus, terminal apparatus, and bidirectional communication control method  
A terminal apparatus of a communication system is provided with an MAC section (bidirectional communication apparatus), a PHY section, a tuner, and a back-end section. The MAC section comprises a...
7564864 Communication timing control method and apparatus, node, and communication system  
Each node in a communication system transmits and receives state variable signals indicating internal node states or timings. A single node may transmit two or more differently phased series of...
7558225 Radio communication system  
A radio base station apparatus used in a radio communication system in which an initiator holds a transmission opportunity (TXOP) period in a frame exchange sequence and a responder responds to the...
7548531 Poll scheduling for periodic traffic sources  
An apparatus and method for polling stations that transmit periodic traffic streams are disclosed. The illustrative embodiment polls the station in accordance with a polling schedule that is...
7545827 Busy tone for wireless networks  
Disclosed are systems and methods which provide a busy tone or signal for use in communication collision avoidance in a wireless network, such as a WLAN, a cellular network, or other...
7542478 System and method for rate limiting in multi-hop wireless ad hoc networks  
A system and method to avoid and control the bottleneck points in multi-hop wireless ad-hoc networks is described. This is achieved by using the overheard RTS/(N)CTS information to compute a...
7525985 Apparatus for collision resolution among home networking stations using carrier sense signal  
An apparatus for collision resolution among home networking stations using carrier sense. More specifically, an apparatus for collision resolution among home networking stations using Media Access...
7522630 Unified channel access for supporting quality of service (QoS) in a local area network  
Contention communications often requires a station to wait an inordinate amount of time before the station is able to transmit its data successfully. In many applications, an extended delay is not...
7519370 Method and apparatus for controlling transmissions in communications systems  
In a bandwidth allocation protocol for a mobile communications network, mobile terminals report their bandwidth requirements to the network, while the network controls the amount of bandwidth that...
7519077 Token registration of managed devices  
A communication system includes a controller for managing a number of communications devices. The controller receives registration requests from the devices and selectively registers the devices...
7519032 Apparatus and method for providing QoS service schedule and bandwidth allocation to a wireless station  
An apparatus and method is disclosed for providing a Quality of Service (QoS) service schedule and bandwidth allocation message to a wireless station in a wireless network. The apparatus of the...
7515574 Scheduling method for supporting quality of service (QoS) in wireless local area network (WLAN)  
A method for polling of stations in a Wireless Local Area Network (WLAN), including the steps of: obtaining Quality of Service (QoS) information related to the stations; assigning two timers to...
7502383 Apparatus and method of controlling transmission of response frame  
Briefly, a method and apparatus to able to set a back-off slot time value and a contention window back-off slots number of a channel access mechanism to control transmissions of two or more...
7502354 Mesh networking using point coordination function  
A system and methods for wireless computing devices to become mesh member nodes within a self-configuring mesh network includes mechanisms for neighbor discovery and sharing of a common topology...
7496691 Standard ATA queuing automation in serial ATA interface for creating a frame information structure (FIS) corresponding to command from transport layer  
A method and circuit for enhancing the performance in a serial ATA interface uses a standard ATA queue automation circuitry that handles all the transmit/receive frame information structure (FIS)...
7480266 Interference adaptation apparatus, systems, and methods  
Apparatus and systems, as well as methods and articles, may operate to detect radio-frequency energy at a frequency associated with at least one wireless networking channel and to transmit a data...
7466685 Apparatus for controlling data transmission timing responsively to a calculated collision ratio  
Communication control apparatus provided in nodes forming a telecommunications network includes a transmission timing calculator responsive to the state of the phase of the own node to determine a...
7460555 Terminal apparatus  
When operating as a control terminal and recognizing interference from another logical network, a terminal apparatus determines whether or not a logical network to be controlled is unified with the...
7457307 Method and apparatus for controlling access to a communication channel  
A method and an apparatus provide for controlled access to a shared communication medium. Time slots on a forward channel include information regarding status useful for remote units to determine...
7457273 Radio terminal equipment  
A radio terminal equipment includes a route supervision processing section for registering, for each destination address, an address of a radio-relay terminal equipment, which relays datagrams...
7457271 Wireless local area network ad-hoc mode for reducing power consumption  
A wireless station communicates with at least one other wireless station in a local area network (LAN). A media access control (MAC) device controls transitions between an active mode and a low...
7457269 Collision avoidance of rach signals in a TDMA satellite communication system  
In a cellular mobile telephone system, a mobile station ( 4 d , 4 e ) requests allocation of a traffic channel by sending a request in a random access channel. Where there is a significant path...
7454220 Apparatus, and associated method, for facilitating initiation of channel allocation to communicate data in a radio communication system  
Apparatus ( 48 ), and an associated method, for facilitating operation of a mobile node ( 12 ) operable in a communication system ( 10 ) to request allocation of communication capacity upon which...
7453902 Failsafe transmission of data  
The invention relates to a system and a method for the failsafe transmission of data, the system having at least one component ( 2, 6, 7 ), which is enhanced for the failsafe transmission of data....
7447185 Transmitting and protecting long frames in a wireless local area network  
Methods and systems for communicating in a wireless network may use long frames each including an aggregation of medium access control (MAC) protocol data units (MPDUs). In certain embodiments, the...
7443876 Information processing terminal, transmission privilege rounding system, transmission privilege rounding method and transmission privilege acquiring program  
A plurality of information processing terminals 100 to 130 are connected to a network. Each processing terminal parameter-manages the total of the idle time units obtained through the detection...
7428608 Communication system, communication circuit and communication method  
A communication system according to an embodiment of the invention includes: a plurality of communication nodes; and a common bus connected with the plurality of communication nodes, wherein the...
7428240 Data communications method using backoff number control  
A method for transmitting data in a centralized data communications system having an access point and a plurality of stations using a carrier sense multiplexing access (CSMA) method using a backoff...
7426180 Rapid build transmission-limit method and structure for BSS stations in wireless communication network  
A method and apparatus employable in a wireless, packet-based network communication system for managing transmission-limit build-up performed by participating network BSS stations, whereby, when...
7420986 Method and apparatus for the detection and classification of collisions on a shared RF network  
The present invention is directed toward a method and apparatus for detecting collisions on a shared access network. In accordance with the present invention, two or more RF modulated signals...
7420918 Look-ahead contention resolution method for a burst switching network  
A Look-ahead Contention Resolution (“LCR”) technique for application in burst switching networks is described. The LCR technique takes advantage of the existing separation of data bursts and...
7408950 Multiple node network and communication method within the network  
A multiple node network includes a plurality of terminal nodes. A management node manages the terminal nodes. A bus connects the respective terminal nodes and the management node to one another....
7408909 Method and apparatus to enable multiple receivers  
Briefly, a wireless communication device that includes a processor to enable a determined number of receivers of a MIMO system according to a value provided with a request to enable the receivers...
Matches 1 - 50 out of 448 1 2 3 4 5 6 7 8 9 >