Patents
Patents for H04W 74 - Wireless channel access, e.g. scheduled or random access (19,423)
04/2004
04/29/2004US20040082356 MIMO WLAN system
04/29/2004US20040082333 Radio base apparatus, communication channel allocation method, and allocation program
04/29/2004US20040082313 System and method for preventing replay attacks in wireless communication
04/29/2004US20040081192 Transmission of multicast and broadcast multimedia services via a radio interface
04/29/2004US20040081133 Method of communication device initiated frame exchange
04/29/2004US20040081132 Method for reducing the radio channel the access delay in wireless communication system
04/28/2004EP1413096A2 Network channel access protocol - interference and load adaptive
04/28/2004EP0857398B1 Packet switched radio channel traffic supervision
04/28/2004CN1148102C Radio communication system
04/27/2004US6728550 Coverage and cell extension in downlink power controlled wireless radio communication systems
04/27/2004US6728232 System and method for auto-configuration and discovery of IP to MAC address mapping and gateway presence in wireless peer-to-peer ad-hoc routing networks
04/22/2004WO2004034680A1 System and method for simulation of performance of measurement-based algorithms for slotted wireless communications
04/22/2004WO2004034602A1 Wlan communications system
04/22/2004WO2004019649A3 Method and system for a data transmission in a communication system
04/22/2004WO2004002187A3 Hopping on random access channels
04/22/2004US20040078433 Electronic mail retrieval and notice system for cellular phones
04/22/2004US20040077345 Methods and apparatus for network signal aggregation and bandwidth reduction
04/22/2004US20040076135 Company network using time slot reuse
04/21/2004EP1411742A2 Communication terminal apparatus, base station apparatus, and radio communication method
04/21/2004EP1411738A1 A telecommunications base station, and a method of detection by a base station of a sequence of data representing a request for call connection from a mobile
04/21/2004EP1410601A1 System and method for secure message key caching in a mobile communication device
04/21/2004EP1410580A2 Method and apparatus for scheduling packet data transmissions in a wireless communication system
04/21/2004EP1410573A2 Mathods,apparatus,and systems for accessing mobile and voice over ip telephone networks with a mobile handset
04/21/2004EP1410364A4 Vehicle tracking, communication and fleet management system
04/21/2004EP1410364A2 Vehicle tracking, communication and fleet management system
04/21/2004EP0720310B1 Random access system for mobile communication
04/21/2004CN1491522A Method for reducing radio channel access delay in wireless communication system
04/21/2004CN1491058A Telecommunication system with transmission and multiuser diversity
04/21/2004CN1147204C Method and system for allocating random access channel in radio communication system
04/20/2004US6724813 Implicit resource allocation in a communication system
04/20/2004CA2425934C A method of adding quality of service capabilities to csma-ca based protocols for the purpose of isochronous communication and coexistence of multiple physical layer modulation schemes
04/15/2004WO2004032559A1 Transmitting signals on a channel used for traffic and access in a communications system
04/15/2004WO2004032557A1 Security and privacy enhancements for security devices
04/15/2004WO2004032541A1 Method and device for managing downlink setup in a packet-switched communications network
04/15/2004WO2004032368A1 Assigning training sequences based on spatial channels in wireless communications system
04/15/2004WO2004032359A1 Method for reducing access noise in a spread spectrum communication system
04/15/2004US20040072588 Wlan communications system
04/15/2004US20040072570 Dynamic beam width selection for non-uniform density multiple access cells
04/15/2004US20040072560 Radio base system, channel allocation method and channel allocating program
04/15/2004US20040071125 Fairness method for supplemental channel resources
04/15/2004DE10244610A1 Verfahren sowie Kommunikationsendgerät zum gesicherten Aufbau einer Kommunikationsverbindung A method and communication terminal for securely establishing a communication link
04/14/2004CN1489876A Radio base system, channel allocating method and channel allocating program
04/14/2004CN1489842A Dynamic bandwidth allocation for multiple access communication using session queues
04/14/2004CN1146266C Activity control for mobile station in wireless communication system
04/13/2004US6721285 Polling system for a duplex asymmetrical communications link
04/13/2004US6721281 Random access channel access and backoff mechanism
04/13/2004CA2314032C Medium allocation method
04/08/2004WO2004030392A1 Requesting and controlling access in a wireless communications network
04/08/2004WO2004030319A2 Method for providing fast feedback information for random access channel in a wireless communication system
04/08/2004WO2004030297A1 Method for the transmission of data telegrammes in a switched cyclical communication system
04/08/2004WO2003105389A3 Arq mac for ad-hoc communication networks
04/08/2004US20040068666 Always-on virtual private network access
04/08/2004CA2499937A1 Method for providing fast feedback information for random access channel in a wireless communication system
04/08/2004CA2499618A1 Method for the transmission of data telegrams in a switched cyclical communication system
04/07/2004EP1406464A1 Method and communication device for secure set-up of a communication connection
04/07/2004CN1145404C Radio communication system with random access requests composed of multi-access packets
04/07/2004CN1145403C Method and equipment for handover cell
04/07/2004CN1145284C Scheduling apparatus and method for packet data service in wireless communication system
04/07/2004CN1145283C Equipment and method for designating reverse common channel for dedicated communication in mobile communication system
04/06/2004US6717932 Method for sharing capacity in a CDMA mobile radiocommunication system
04/06/2004US6717930 Cell search procedure for time division duplex communication systems using code division multiple access
04/06/2004US6717916 Method and apparatus for initializing a packet traffic channel in a communication system
04/06/2004CA2190836C Communications protocol for remote data generating stations
04/01/2004WO2004028185A1 Radio communication system time slot allocation method
04/01/2004WO2004028153A1 A video recorder unit and method of operation therefor
04/01/2004WO2004014097B1 Adaptive dual-mode reverse link scheduling method for wireless telecommunications networks
04/01/2004US20040063458 Wireless LAN communication system
04/01/2004US20040063450 Transmitting signals on a channel used for traffic and access in a communications system
04/01/2004US20040063436 Telecommunication system with transmit and multi-user diversity
04/01/2004US20040062295 Method for reducing access noise in a spread spectrum communication system
04/01/2004US20040062226 Receiving signals on a channel used for traffic and access in a communications system
04/01/2004US20040062211 Assigning training sequences based on spatial channels in a wireless communications system
04/01/2004DE10243850A1 Verfahren zur Übertragung von Datentelegrammen in einem geschalteten, zyklischen Kommunikationssystem Method for transmitting data messages in a switched, cyclic communication system
03/2004
03/31/2004EP1404142A2 Radio base station, movable station and system
03/31/2004EP1404065A1 Telecommunication system with transmit diversity and multi-user diversity
03/31/2004EP1402688A2 Join process method for admitting a node to a wireless mesh network
03/31/2004CN1486578A A collision free access scheduling in cellular TDMA-CDMA networks
03/31/2004CN1486107A Control and processing method for access probing
03/31/2004CN1486009A Channel assignment in a spread spectrum cdma communication system
03/31/2004CN1144436C Quasi-orthogonal code mask generating device in mobile communication system
03/31/2004CN1144435C Calling permission control method and device in CDMA mobile communication system
03/31/2004CN1144406C CDMA mobile communication system and its random access control method and base station
03/31/2004CN1144397C Radio communication device and radio channel allocation method
03/30/2004US6714559 Redundant radio frequency network having a roaming terminal communication protocol
03/25/2004WO2004025978A1 Optimisation mechanism for frequency reuse
03/25/2004US20040059794 Software applications incorporating functionalities based on data-type and access
03/24/2004EP1400049A1 Method for adaptively setting transmission parameters for a random access channel transmission uplink procedure in a wireless communication system
03/24/2004CN1484895A Sub-channels for the random access channel in time division duplex
03/24/2004CN1484450A Quick digital channel switching
03/24/2004CN1143584C Signallnig configuration in a radio communication system
03/23/2004US6711406 Apparatus, and associated method, for facilitating rapid mode changeover of a mobile station
03/23/2004US6711405 Communication system
03/23/2004US6711223 Base station emulator
03/18/2004WO2004012493A3 Controlling wlan bandwidth allocation
03/18/2004US20040054794 Method and arrangement to secure access to a communications network
03/18/2004US20040052230 Method and apparatus for detecting forward and reverse link imbalance in digital cellular communication systems
03/16/2004US6708040 Link level support of wireless data
03/16/2004US6708037 Radio communication system
03/16/2004US6707804 Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
03/16/2004CA2234721C Simplifying decoding of codewords in a wireless communication system