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Class Information
Number: 370/445
Name: Multiplex communications > Channel assignment techniques > Carrier sense multiple access (csma)
Description: Subject matter having a reservation scheme for reaching a communication medium in which a station is assigned a carrier; the idle state of a communication channel is determined by sensing the presence or absence of a carrier signal on the channel.










Sub-classes under this class:

Class Number Class Name Patents
370/447 Arbitration for access between contending stations 744
370/446 Using a star coupler 94


Patents under this class:
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Patent Number Title Of Patent Date Issued
7623542 Contention-free access intervals on a CSMA network Nov. 24, 2009
7623494 Adjustment of a clear channel assessment (CCA) threshold Nov. 24, 2009
7623481 Hyper throughput method for wireless local area network Nov. 24, 2009
7620398 Method and apparatus for simultaneously communicating on a voice channel and broadcast channel Nov. 17, 2009
7620063 Method for clear channel assessment optimization in a wireless local area network Nov. 17, 2009
7616762 System and method for authenticating/registering network device in power line communication (PLC) Nov. 10, 2009
7616655 Avoiding exposed node problems in wireless local area networks Nov. 10, 2009
7616606 Mechanism for avoiding triggering silent radio squelch circuits Nov. 10, 2009
7613204 Communication timing control method and apparatus, node, and communication system Nov. 3, 2009
7613203 Method and device for managing a shared transmission medium based on a TDMA/TDD scheme Nov. 3, 2009
7609714 Programmable controller and duplexed network system Oct. 27, 2009
7609712 Frequency offset differential pulse position modulation Oct. 27, 2009
7606257 Apparatus and method for transmission collision avoidance Oct. 20, 2009
7606213 Wireless MAC layer throughput improvements Oct. 20, 2009
7602759 Wireless LAN system making quality of communication improve and a communication method therefor Oct. 13, 2009
7602744 Detection of a simultaneous occurrence of an event at a plurality of devices Oct. 13, 2009
7602707 Quality of service differentiation in wireless networks Oct. 13, 2009
7593423 Quality of service differentiation in wireless networks Sep. 22, 2009
7590386 Method for control of contention-based wireless access Sep. 15, 2009
7586932 Contention window adjustment methods capable of load-adaptive backoff in a network and machine-readable storage medium therefor Sep. 8, 2009
7580382 System and method for distributed channelized group formation in a mobile wireless communication network Aug. 25, 2009
7577124 Relay apparatus, terminal apparatus and relay method Aug. 18, 2009
7570656 Channel access method for powerline carrier based media access control protocol Aug. 4, 2009
7567579 Multiple current limits for power over ethernet controller Jul. 28, 2009
7567540 Wireless communication system, wireless communication apparatus, wireless communication method and computer program Jul. 28, 2009
7567537 Point-to-point MAC protocol for high speed wireless bridging Jul. 28, 2009
7567526 System and method for asynchronous wireless collision detection with acknowledgement for ad hoc wireless networks Jul. 28, 2009
7561592 Method and apparatus for fiber auto-negotiation Jul. 14, 2009
7561591 TDMA communications apparatus Jul. 14, 2009
7558294 Time synchronization in a network Jul. 7, 2009
7555004 Coordinating communications in a heterogeneous communications network using different signal formats Jun. 30, 2009
7554916 Automatic reverse channel assignment in a two-way TDM communication system Jun. 30, 2009
7551561 Packet communication terminal Jun. 23, 2009
7548549 Method and apparatus for transmission of digital signals over a coaxial cable Jun. 16, 2009
7548531 Poll scheduling for periodic traffic sources Jun. 16, 2009
7545781 Wireless packet communication method and wireless packet communication apparatus Jun. 9, 2009
7545749 High-accuracy packet pair for network bottleneck bandwidth measurement Jun. 9, 2009
7545740 Two-way link aggregation Jun. 9, 2009
7532639 System and method for message queue management in a power-save network May. 12, 2009
7529266 Network traffic regulation May. 5, 2009
7529265 Frequency self-organizing radio network system and method May. 5, 2009
7525985 Apparatus for collision resolution among home networking stations using carrier sense signal Apr. 28, 2009
7525984 Method and apparatus for unifying MAC protocols Apr. 28, 2009
7522934 Apparatus, method, recording medium, and program for controlling power of wireless communication Apr. 21, 2009
7519076 Method and node for using a communication network in parallel for real-time applications and non-real-time applications Apr. 14, 2009
7519032 Apparatus and method for providing QoS service schedule and bandwidth allocation to a wireless station Apr. 14, 2009
7519031 System and methods of differential communication Apr. 14, 2009
7519005 Single-wire communication bus for miniature low-power systems Apr. 14, 2009
7515606 UWB-based wireless bridge Apr. 7, 2009
7512095 Multiple access communication system for moveable objects Mar. 31, 2009

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