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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:

Patent Number Title Of Patent Date Issued
8588091 Device, system and method of wireless communication over a combined channel Nov. 19, 2013
8576873 System and method for controlling power delivered to a powered device based on channel impediments Nov. 5, 2013
8576872 Multi-hop wireless mesh network medium access control protocol Nov. 5, 2013
8576827 Voice data integrated multiaccess by self-reservation and contention algorithm Nov. 5, 2013
8565775 Methods and apparatus for common channel cancellation in wireless communications Oct. 22, 2013
8565255 Clear channel assessment in wireless communications Oct. 22, 2013
8553751 Radio equipment controller, radio control method, radio station, and radio communication system Oct. 8, 2013
8553706 Flexible scheduling of resources in a noisy environment Oct. 8, 2013
8538322 Transmit and admission control for CDMA satellite communication system Sep. 17, 2013
8537850 Method and system for directional virtual sensing random access for wireless networks Sep. 17, 2013
8537791 Method and apparatus for channel access in contention-based communication system and station Sep. 17, 2013
8537721 Method for scheduling transmissions of global beacons in body area networks Sep. 17, 2013
8532134 Tiered contention multiple access (TCMA): a method for priority-based shared channel access Sep. 10, 2013
8532005 End node and network coordinator using a CSMA based protocol Sep. 10, 2013
8531980 Multi-channel communication station for communicating a multi-channel PPDU and methods of reducing collisions on secondary channels in multi-channel wireless networks Sep. 10, 2013
8526461 Methods and apparatus supporting adaptive decentralized traffic scheduling including a dynamic transmitter yielding threshold Sep. 3, 2013
8526351 Channel characterization and training within multiple user, multiple access, and/or MIMO wireless communications Sep. 3, 2013
8525645 Method of recognizing RFID tag for the purpose of preventing throughput inversion and RFID reader performing the same Sep. 3, 2013
8520695 Time-slot-based system and method of inter-vehicle communication Aug. 27, 2013
8520683 Managing communications over a shared medium Aug. 27, 2013
8520524 Methods and apparatus for making transmitter and/or receiver communications decisions Aug. 27, 2013
8515346 Electronic apparatus having control function using human body communication and portable terminal having electronic apparatus control function using human body communication Aug. 20, 2013
8514688 Communication system, communication apparatus, and communication method Aug. 20, 2013
8509835 Reverse link initial power setting using effective radiated power message to compute path loss Aug. 13, 2013
8503473 Wireless network system and method of transmitting and receiving data over the wireless network system Aug. 6, 2013
8498579 Channel reuse in communication systems Jul. 30, 2013
8498294 Multimedia over coaxial cable access protocol Jul. 30, 2013
8493993 Duty cycling techniques in medium access control (MAC) protocols for body area networks Jul. 23, 2013
8493992 Interrelated WiFi and USB protocols and other application framework processes, circuits and systems Jul. 23, 2013
8493907 Frequency offset estimation scheme in scheduled based wireless system Jul. 23, 2013
8493854 Method for avoiding collision using identifier in mobile network Jul. 23, 2013
8488615 Contention groups for hidden nodes Jul. 16, 2013
8488581 Methods and apparatus for conducting financial transactions Jul. 16, 2013
8483741 Mitigation of inter-network interference to enable channel reuse Jul. 9, 2013
8483616 Non-interference technique for spatially aware mobile ad hoc networking Jul. 9, 2013
8477689 System and methods for distributed medium access control and QOS scheduling in mobile ad-hoc networks Jul. 2, 2013
8472468 Communication apparatus, communication method, and communication system Jun. 25, 2013
8472467 Wireless device and methods for opportunistic scheduling in a contention-based wireless network Jun. 25, 2013
8472340 Network interface with autonegotiation and cable length measurement Jun. 25, 2013
8463195 Methods and apparatus for spectrum sensing of signal features in a wireless channel Jun. 11, 2013
8462782 System and method for using sequence ordered sets for energy efficient Ethernet communication Jun. 11, 2013
8462695 Apparatus and methods for multi-radio coordination of heterogeneous wireless networks Jun. 11, 2013
8451782 Wireless network with contention and contention-free periods May. 28, 2013
8451771 Medium reservation techniques for multi-user transmissions May. 28, 2013
8446907 Medium access control method and apparatus in wireless distributed network May. 21, 2013
8442434 Method and system for auto coexistence priority selection for a SCO link May. 14, 2013
8441967 Opportunistic 40 MHz mode of transmission in wireless transmitters May. 14, 2013
8441950 Method and system for inter-system interference based radio control May. 14, 2013
8432892 Method and system for WLAN synchronization Apr. 30, 2013
8432888 Wireless communication system, wireless communication device and wireless communication method, and computer program Apr. 30, 2013

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