|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
7539460 |
Method and tester for determining an error rate of a mobile-telephone device, especially for USF-BLER
A method and apparatus for determining an error rate is described, in which a transmission block having an allocation signal is received by a mobile communications device that is to be tested. The...
|
|
|
7535877 |
Wireless communication system, method for enhancing network efficiency, and computer program product therefor
A wireless communication system, a method for enhancing network efficiency, and a computer program product therefor are provided. The wireless communication system includes a transmitting apparatus...
|
|
|
7535876 |
Method of flow control for HSDPA and HSUPA
A method of communication, generally, and more particularly, a method of wireless communication. The method includes the step of receiving at least data over a signaling interface. The received...
|
|
|
7535865 |
System and method for wireless remote control of locomotives
A system and method for remotely controlling an increased number of subsystems having an onboard locomotive control unit (LCU) and two associated operator control units (OCUs) on a single wireless...
|
|
|
7532891 |
Method and apparatus for timing correction in communications systems
In a wireless communications system, transceivers transmit short bursts to a base station, which determines timing corrections from the time of receipt of the burst and transmits the timing...
|
|
|
7529212 |
Communications system, communications control apparatus and method, and computer program therefor
A communications system sets a network frame period that can be repeatedly used by a plurality of wireless networks in a predetermined time period. A plurality of channel slots for use by each of...
|
|
|
7529211 |
Method and apparatus for managing paging related delays
A method and apparatus for managing paging related delays between a mobile station and a base station is provided, which includes the use of a fractional slot cycle index. A first value for the...
|
|
|
7522583 |
Communication terminal for wire and wireless internet phone
Disclosed is a communication terminal for a wire and wireless network phone which comprises: a communication service controller, including a RISC processor, for processing protocols that satisfy...
|
|
|
7522629 |
Sending signaling messages to CDMA cellular mobile stations
A method and apparatus for transmitting signaling messages over the communication channel to a CDMA mobile station. If a one-half, one-quarter, or one-eighth frame voice packet is to be...
|
|
|
7519385 |
Wireless access point (AP) automatic channel selection and automatic power adjustment
An automatic channel selection (ACS) process enables an access point to determine a best channel available, i.e., the channel with a least amount of interference, for it operation. When ACS is...
|
|
|
7519123 |
Spectral shaping for multiband OFDM transmitters with time spreading
A method of shaping an orthogonal frequency division multiplexing (OFDM) signal spectrum of a transmitted signal is disclosed. An input signal including an input component is received and a first...
|
|
|
7519011 |
Frame structure for radio communications system
In one embodiment, the present invention includes a repeating frame for a time division radio communications system with a sequence of uplink slots each having a predetermined duration, a sequence...
|
|
|
7515566 |
Partial mesh communication in hub based system
A partial mesh link channel is established within a satellite communication system by allocating return link channel resources to the partial mesh link channel.
|
|
|
7512102 |
Techniques for setting up traffic channels in a communications system
A control channel supporting traffic control in epochs is divided into two control subchannels each being less than or equal to about a half epoch in duration and occurring serially in time. Slot...
|
|
|
7512103 |
Virtual channel communications system
A virtual channel communications system assigns RF resources to communications waveforms for transmitting and receiving signals. The communications system comprises universal transceivers for...
|
|
|
7508798 |
Virtual mimo communication system
The present invention provides an effective way to create a virtual MIMO transmission system using mobile terminals that have only one transmit path and antenna. This is accomplished by assigning...
|
|
|
7502351 |
Alternate channel for carrying selected message types
In an illustrative embodiment of the present invention, a channel is allocated to carry messages from each of multiple subscriber units to a base station. Selected messages generated by a...
|
|
|
7502350 |
Communication apparatus, method and programs
The present invention is to provide communication apparatus capable of selecting a transmission scheme suitable for a type of transmission information, its communication method, and programs. A...
|
|
|
7499473 |
Method and device for synchronizing a mobile radio receiver
A method for synchronization of a mobile radio receiver having a time slot structure for a radio signal is disclosed. A data stream received by the mobile radio receiver is filtered in a filter,...
|
|
|
7499435 |
Partial combining method and apparatus for multimedia broadcast/multicast service
A method and apparatus for enabling partial combining on a Multimedia Broadcast/Multicast Service (MBMS) service are provided where a radio network controller (RNC) specifically informs a user...
|
|
|
7499421 |
Apparatus and method for resource allocation in MF-TDMA broadband satellite system
Provided is a resource allocation apparatus and method in a multi frequency-time division multiple access (MF-TDMA) broadband satellite system, which can employ timeslots in a return link with a...
|
|
|
7496080 |
System and method for priority communication management in a hybrid TDMA-SS system
A method and system for managing Priority Messages in a hybrid TDMA-Spread Spectrum (TDMA-SS) communication system is provided. The method and system include a HUB for generating a HUB TDMA epoch,...
|
|
|
7496069 |
Method and apparatus for public long code mask handoff management
To address the need for improved public long code mask (PLCM) management during handoffs, embodiments of the present invention enable a mobile station (MS) ( 101 ) to use a different PLCM when...
|
|
|
7492749 |
Method and system for providing multi-input-multi-output (MIMO) downlink transmission
An approach is provided for supporting transmission in a multi-input-multi-output (MIMO) communication system including a plurality of terminals. A preamble portion of a frame is transmitted by a...
|
|
|
7492735 |
Assigning uplink slots to optimize uplink power control gain in wireless communications
A method and system for assigning uplink (UL) slots to optimize time division duplex (TDD) UL power. In order to assure proper power control gain, UL slots are judiciously allocated close to the...
|
|
|
7492743 |
Assigning training sequences based on spatial channels in a wireless communications system
Embodiments of the present invention can be used to efficiently transmit access control and traffic information on separate spatial channels. In one embodiment, the invention includes assigning a...
|
|
|
7489661 |
Dynamic transmit power configuration system for wireless network environments
Methods, apparatuses and systems facilitating the configuration of transmit power and coverage areas corresponding to access points in a wireless network environment. The present invention in one...
|
|
|
7486964 |
Method for performing roaming in dual mode mobile terminal capable of preventing ping-pong phenomenon
A method for performing roaming in a dual mode mobile terminal in such a manner that a ping-pong phenomenon, occurring under a weak electric field between communication networks providing...
|
|
|
7486952 |
Facilitated security for handoff in wireless communications
A first base station which initially receives a service request from a wireless terminal requests authentication information from a central security node and receives in response at least, one, but...
|
|
|
7486647 |
Shared time universal multiple access network
A method of controlling access to a network media by a plurality of stations, the method including determining a number of time slots; determining a number of slot cycles for each time slot, at...
|
|
|
7486646 |
Radio base system and transmission timing control method
A slot of a low multiplicity is processed to narrow transmission timing intervals for already-connected users and thereby to make preparation for a new user, and a slot of a high multiplicity is...
|
|
|
7483407 |
Method for allocating bandwidth on a plurality of communication channels
A device receives a communication request for a time division multiple access (TDMA) communication. Upon receipt of the communication request, the device identifies a first communication channel...
|
|
|
7480278 |
Admission control with directional antenna
An apparatus and method for performing an admission control of a terminal device with an antenna array in a cellular network is provided. The admission control decision is based on a...
|
|
|
7474643 |
Systems and methods for communicating control data using multiple slot formats
Systems and methods for communicating control information in slots that use at least two different slot formats. In one embodiment, a method implemented in a wireless communication system includes...
|
|
|
7471666 |
Message-type data communication apparatus used in a DECT system
The present invention comprises a burst mode controller (BMC) having a slot control block, a CPU, a single-port data memory, a DMA controller and a control signal selector. When the slot control...
|
|
|
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...
|
|
|
7468989 |
Extension mode for wireless LANs compying with short interframe space requirement
A wireless station comprises a transmitter. A coding module communicates with the transmitter and generates a first packet including a first field that identifies one of a standard signal...
|
|
|
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...
|
|
|
7466684 |
Frame synchronization for a mobile communication system
Methods and system for frame synchronization for a mobile communication system is disclosed. A downlink synchronization signal is detected. Multiple sub-frames on the basis of the detected...
|
|
|
7463616 |
Scheduling based on channel change indicia
The present invention keeps track of channel change indicia associated with wireless communications with mobile terminals, and bases the scheduling of data in time slots of a scheduling period on...
|
|
|
7463617 |
Mitigation of CDMA cross-correlation artifacts and improvement in signal-to-noise ratio in TDMA location networks
A correlation system for Time Division Multiple Access (TDMA) positioning systems is disclosed, whereby a position receiver acquires, tracks, and demodulates a plurality of Code Division Multiple...
|
|
|
7463582 |
System and method for scaling a two-way satellite system
A two-way satellite communication system for providing a scalable architecture is disclosed. A plurality of transceivers transmit signals over a plurality of return channels, wherein the plurality...
|
|
|
7460501 |
Method for enabling interoperability between data transmission systems conforming to IEEE 802.11 and HIPERLAN standards
Mechanisms, in a transmission channel shared by 802.11 systems and HIPERLAN/2 systems are provided to prevent 802.11 terminals from transmitting during time periods allocated to HIPERLAN, so that a...
|
|
|
7460624 |
Method and system of reducing collisions in an asynchronous communication system
A method ( 60 or 70 ) and system of reducing collisions in an asynchronous communication system can include the steps at a transmitter ( 200 ) of generating ( 61 ) a set of known preamble...
|
|
|
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...
|
|
|
7453837 |
Trunking system for CDMA wireless communication
Methods and systems for implementing trunking techniques in CDMA systems for handling group calls and push-to-talk services.
|
|
|
7450549 |
Pilot signal enhancements for a wireless communication system
In a method and apparatus suitable to convey timely information for facilitating accurate reception of transmitted data, a pilot signal is modulated to convey information. The information may...
|
|
|
7450537 |
Intermixing communication modes on a time domain multiple access network
An intermixing communication modes on a TDMA network system. The system includes a relay, at least one AC channel controller, at least one DC channel controller, at least two AC users and at least...
|
|
|
7450542 |
Method for frequency division duplex communications
The high quality PCS communications are enabled in environments where adjacent PCS service bands operate with out-of-band harmonics that would otherwise interfere with the system's operation. The...
|