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7620405 |
Method and system for providing a single unified channel quieting/measurement request element in an 802.11 wireless local area network
A channel quieting/measurement request element is provided for use in a wireless local area network. The unified element of the invention integrates a dual capability for performing channel...
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7620021 |
Method, base station and mobile station for timeslot selection and timeslot assignment
A timeslot selection method is provided. The timeslot selection method includes the steps of: obtaining a propagation loss; receiving an occupation state and an interference amount of an uplink...
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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...
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7616602 |
Method and system for wireless local area network (LAN) communication using virtual time division multiple access (TDMA)
A time division-based wireless LAN communication method by use of an AP in an infrastructure mode, including, on the AP's side, receiving a time slot allocation request frame from a station,...
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7616592 |
Method of communication between mobile station and base station in mobile communication system
Method of communication between a mobile station and a base station in a mobile communication system of IMT-2000 communication network basis, which is suitable for effective transmission of various...
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7613157 |
Wireless communication method and apparatus for processing enhanced uplink scheduling grants
A method and apparatus for processing enhanced uplink scheduling grants are disclosed. A wireless transmit/receive unit (WTRU) detects an absolute grant (AG) and a relative grant (RG). Once the...
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7613141 |
Bluetooth broadcasting method
The present invention provides an efficient data transmission method in BLUETOOTH broadcasting. The method of BLUETOOTH broadcasting generates a first broadcast packet and determines whether a slot...
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7602759 |
Wireless LAN system making quality of communication improve and a communication method therefor
A wireless LAN system if formed by a base station, mobile stations and a controller. The controller receives a frame over wireless media, and a frame analyzer analyzes the received frame. A...
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7596181 |
Apparatus and method for frequency synchronization in OFDM system
A method and apparatus are provided for frequency synchronization in an Orthogonal Frequency Division Multiplexing (OFDM) system, wherein the method includes the steps of transmitting OFDM symbols...
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7590107 |
TCP/IP transport interface for ISDN telephone
A method and apparatus are provided for operating a data protocol telephone that is used in a call for exchanging voice information between a first party human user of the data protocol telephone...
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7587206 |
Providing overload control in relatively high-speed wireless data networks
The present invention provides a method and an apparatus for controlling a radio frequency resource between a first and a second wireless unit and a base station to provide overload control of the...
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7586893 |
Radio communication system, radio communication control method, radio communication apparatus, control method for radio communication apparatus, and computer readable medium utilizing a divided transmission frame
A radio communication system, a radio communication control method, a radio communication apparatus, a control method for a radio communication apparatus, and a computer program make it possible to...
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RE40896 |
Method and arrangement in a radio communication system
The present invention concerns a process in a radio communication system which is arranged for packet data transmission according to a message-synchronized ALOHA protocol with reservation. Mobile...
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7580394 |
System and method for collision-free transmission scheduling in a network
A system and method is directed to enabling a collision-free transmission of a packet in a network by employing an access-point tree optimized MAC (ATOM) mechanism. The system enables a node in an...
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7567815 |
Wireless communication apparatus for synchronizing a frame cycle's beginning position in relation to other devices
A communication station needs to autonomously and synchronously operate by maintaining an equal frame interval. A clock error is measured from a received packet in a wireless communication system...
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7567540 |
Wireless communication system, wireless communication apparatus, wireless communication method and computer program
In order to realize low power consumption of a communicator and information transmission in short packets with a short latency in a network environment of a self-organized distribution type, each...
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7548521 |
System for dynamically shifting beacons in distributed wireless network and method thereof
A system for dynamically shifting beacons in a distributed wireless network and a method thereof are disclosed. In a medium access control for a wireless personal area network based on a mobile...
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7545772 |
Apparatus and method for assigning subchannels in an OFDMA communication system
A wireless communication system that divides an entire frequency band into a plurality of subcarrier bands and includes a plurality of subchannels, each of which includes a number of subcarrier...
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7545732 |
Apparatus and method for assigning sub-carriers in an orthogonal frequency division multiplex system
An apparatus and method for assigning sub-carriers in an orthogonal frequency division multiplex (OFDM) system are disclosed. In the apparatus and method, data is transmitted through at least one...
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7539457 |
Method and apparatus for communicating with seven or more terminals efficiently in bluetooth system
Disclosed are a method and an apparatus for communicating with seven or more terminals in a Bluetooth system of a Wireless Personal Area Network (W-PAN). In the method and apparatus, a sniff mode...
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7539173 |
Radio communication system, radio terminal, base station, control equipment and communication method
A radio communication system comprises a radio terminal and a plurality of base stations. The base stations communicate with the radio terminal by connecting radio links with mutually different...
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RE40715 |
Method and means for allocating time slots in a TDD system
Method and apparatus for allocating time slots in a time division duplex communication system. First and second types of time slots selected from receiving and transmitting type time slots are...
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7535886 |
Mobile communication system employing high speed downlink packet access and method for improving data processing speed in the same
A method for improving the data processing speed in a mobile communication system employing a High Speed Downlink Packet Access (HSDPA) is provided. A data unit for the HSDPA services is produced...
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7535871 |
Mobile IP intra-agent mobility
Methods and apparatus for enabling intra-agent mobility by a mobile node are disclosed, thereby permitting a mobile node to register with a Home Agent via a Foreign Agent where the Home Agent and...
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7529222 |
Method and apparatus for medium access control for a decentralized network with adapted beamforming and power control
A method and apparatus for medium access control in a wireless ad hoc network is disclosed that takes advantage of physical layer properties to jointly and collectively optimize in a distributed...
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7522628 |
Systems and methods for implementing coordinated optical channel access
A system for optical channel access in a network ( 105 ) includes multiple distributed nodes ( 205 ) that further include a first node ( 420 ), a second node ( 410 ) and a third node ( 415 ). The...
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7519019 |
Method of rate control
A radio base station performs reverse link rate control in a wireless communication network by “stealing” bits on a forward common power control channel. The forward common power control...
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7505448 |
Method of wireless channel resource allocation and rate control in a cdma communication system
The present invention discloses a method for resource allocation and rate control of dedicated channels in a Wideband Code Division Multiple Access (WCDMA) communication system, the method being...
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7502360 |
Method and apparatus for dynamic neighbor discovery within wireless networks using time division multiple access (TDMA)
An Ad-Hoc wireless network according to the present invention employs a TDMA based neighbor discovery protocol, where each network node is assigned a unique time slot to broadcast neighbor...
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7502359 |
Radio base station and method of controlling radio communications
The present invention provides a radio base station for preventing degradation of transmission quality characteristics even when there are time differences between the instant of channel estimation...
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7502358 |
Diffusion bucket scheduler for wireless network devices
A scheduler for a wireless network including N wireless stations having N bandwidth parameters, respectively, comprises a framing module that generates a schedule frame including schedule slots. An...
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7499422 |
Uplink/downlink synchronizing apparatus of mobile communication terminal
An apparatus and method for synchronizing the transmission of uplink signals and reception of downlink signals by a terminal in a mobile communication system is disclosed, the apparatus and method...
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7496081 |
Adaptive beacon period in a distributed network
Multiple nodes communicate using repeating patterns of superframes, where each of the superframes includes a beacon period. A beacon slot in a first Media Access Slot (MAS) is reserved by the...
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7493084 |
Method for grouping 802.11 stations into authorized service sets to differentiate network access and services
A method for associating a WSTA to a service set, wherein the service set is configurable at the AP. Each service set is an arbitrary grouping of one or more network service parameters, and is...
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7489674 |
Method for wireless local area network communication using multiple channels
A method for wireless LAN communication using multiple channels is provided. An ATIM containing channel information is generated when there is data to be sent, and the ATIM is transmitted via a...
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7480324 |
Ultra wide band communication systems and methods
Ultra wide band communication systems and methods are provided. In one embodiment, an ultra wide band communication system includes a first and a second communication device. A lowest common ultra...
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7477635 |
Platform noise mitigation in OFDM receivers
Techniques and structures are presented for use in mitigating the effects of platform noise within a wireless device.
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7477621 |
System and method for estimating bandwidth requirements of and allocating bandwidth to communication devices operating in a network
A system for allocating bandwidth in a network includes a base station. The system also includes a plurality of stations in communication with the base station. During a measurement period, the...
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7471667 |
Coexistence of modulation schemes in a WLAN
A local area network is provided where an OFDM station and DSSS/CCK station coexist. During a contention-free period both stations operate under the point coordination function rules as defined in...
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7468972 |
Method and system for providing efficient data transmission based upon a contention protocol
An approach for transmitting packets over a shared communication channel is disclosed. A satellite terminal (ST) ( 103, 105, 107, 109 ) contains a processor that transmits a packet over a...
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7463603 |
Wireless communications network with allocation management of a section of bandwidth reserved for the transmission of priority requests to establish a link
A wireless communications network (WLAN) comprises i) an access point (AP) coupled to a call server (ER) connected to at least one remote communications network (PTN, PDN), ii) means of reservation...
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7457306 |
Wireless network system and communication method employing both contention mode and contention-free mode
A network communication system is provided whereby communication stations can obtain priority for data transmission to communicate directly with each other in a contention-free mode communication...
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7453849 |
Method of implicit deassignment of resources
Accordingly, a method and apparatus are provided that use implicit de-assignment, instead of explicit deassignment, of resources, such that a mobile terminal can interpret the assignment of the...
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7453846 |
Method for sharing hybrid resources in a wireless independent network, a station for the method, and a data format for the method and the station
In a system for sharing hybrid resources in an independent network, each one of a plurality of stations preferably employs a sharing authority transferring protocol that allows the network control...
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7450559 |
Method and apparatus for preserving compatibility between legacy mode(s) of operation and new mode(s) of operation in a communication system
A method and an apparatus for preserving compatibility between legacy mode of operation and new mode of operation in a communication system, wherein allocation of resources is different in the...
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7450552 |
Access point control of client roaming
Methods of access point control of client roaming are disclosed. The methods can include the access point periodically transmitting requests to a client, the access point monitoring reception of...
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7447505 |
System and method for coexistence in wireless networks
A computing arrangement may include a first radio transceiver operating in accordance with a first communication protocol using a frequency band and a second radio transceiver operating in...
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7440432 |
Wireless access system
A wireless access system is provided which prevents the occurrence of a hidden terminal problem and minimizes the reduction in throughput. In the wireless access system, an access point divides...
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7436808 |
Method and apparatus for bandwidth reservations
A transmitting unit for use in sending data in packets in timeslots within time frames, each packet being sent in a timeslot, the unit comprising means to reserve for uplink transmission in the...
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7433345 |
Wireless LAN system and a method using the same
A wireless LAN system and a method of using the same. The wireless LAN system includes at least one Interface Service Commercial module (ISCM) for collecting and transferring channel information...
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