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Match Document Document Title
6747995 System for multiple voice lines with data over a single subscriber loop  
A system that provides additional voice lines with data over a single two-wire subscriber loop. At the subscriber premise, one or more telephone instruments and data devices are connected to a...
6738364 Radio receivers and methods of operation  
A radio receiver in which the length of time that it takes to synchronize with a burst to be received is used as a measure of the quality of the channel over which the burst is transmitted.
6735188 Channel encoding and decoding method and apparatus  
A method and apparatus related to a communication system in which a plurality of remote units encode data bursts using a predetermined codeword set and transmit the encoded data bursts to a hub...
6731622 Multipath propagation delay determining means using periodically inserted pilot symbols  
The invention relates to a multipath propagation delay determining means (STU, FIGS. 6, 7 ) for determining a power delay spectrum (DPS) of a CDMA signal transmission between a CDMA base station...
6731624 Sync signal detection method and radio communication system  
A sync signal detection method for receiving a sync signal regularly radio-transmitted from a predetermined station at a predetermined cycle and detecting the received sync signal is used in which...
6728234 Method and apparatus for using a low clock frequency to maintain a time reference governed by a high clock frequency  
The present invention relates to a method for maintaining a time reference which is governed by a high clock frequency produced by a first clock frequency generator, in which a changeover is...
6721292 Method, mobile station and base station for time synchronization of the mobile station in a radio communications system  
A radio communications system provides frequency channels which are formed both by time slots and by broadband frequency ranges, and in which information from a plurality of connections is...
6717930 Cell search procedure for time division duplex communication systems using code division multiple access  
A base station sends a synchronization signal in an assigned time slot to a user equipment in a time division duplex code division multiple access communication system. The base station has an...
6717916 Method and apparatus for initializing a packet traffic channel in a communication system  
A method of initializing a packet traffic channel in a communication system to efficiently use channel capacity in a packet data service and to reduce time and power required to initialize a packet...
6718395 Apparatus and method using an inquiry response for synchronizing to a communication network  
A method and apparatus for synchronizing with communication traffic in a BLUETOOTH network without joining the network. The apparatus transmits an inquiry signal and receives an inquiry response...
6714530 Communication device and method of operation  
A short-range radio transmitter of a communication device comprising a short-range radio and a long-range radio is controlled to delay packets which are scheduled to be transmitted at the same time...
6714557 Packet concatenation for increased transmission capacity  
A method of packet concatenation in TDMA transmission is provided. The method includes the step of transmitting from a terminal in a first time slot ( 202 ), including overhead information (...
6711151 Apparatus and method using paging for synchronizing to a communication network without joining the network  
A method and apparatus for synchronizing with communication traffic in a network without joining the network. The method and apparatus synchronize to the communication traffic by mimicking a...
6711411 Management of synchronization network  
Operation of a synchronization network that includes a number of nodes and reference clock distribution logic includes, at each of the nodes, storing a table that represents a most recent status of...
6707807 Reception time of messages in access channels of TDMA mobile communication system controlled by transmitting device  
In methods for signal transmission, a first radio burst is inventively transmitted in a time slot of the radio interface, in which a transmission-side synchronization of the transmission of the...
6704581 Mobile telecommunication system and method for performing handoff between asynchronous base station and synchronous base station  
A mobile telecommunication system for performing a handoff from an asynchronous communication system to a synchronous communication system includes: at least one asynchronous base station; at least...
6704577 Efficient searching by a remote unit in a slotted mode communication system  
A method and apparatus for improving search efficiency in a remote unit of a slotted mode, wireless communication system. In a slotted mode communication system the remote unit is in an “active...
6704300 Method and system for acquisition of a time stamped signal  
The invention is directed to a method and system for acquisition of a time stamped signal burst while preserving timing information. A system for acquisition of a time stamped signal burst while...
6700882 Method and apparatus for increasing throughput and/or capacity in a TDMA system  
In accordance with exemplary embodiments of the invention, throughput and capacity in a TDMA system are increased using several different channels all operating simultaneously on the same carrier...
6697351 Filter for telecommunications system  
In a radio telecommunications system such as GSM or EDGE, at each timeslot a small number of information symbols in narrow bands of the data payloads adjacent each tail of the timeslot are used as...
6693891 Communication control method and transmission unit  
A communication control method and a communication system, in which the transmission efficiency, in a network system is improved in the case where the communication in the network system is...
6683866 Method and apparatus for data transportation and synchronization between MAC and physical layers in a wireless communication system  
The present invention is a novel method and apparatus for efficiently transporting and synchronizing data between the Media Access Control (MAC) and physical communication protocol layers in a...
6683867 Parallel precise time transfer to multiple GPS units  
A system for interconnecting multiple GPS receivers via a single line to simultaneously communicate both serial data and precise timing pulses to numerous GPS receivers using a time multiplexed...
6680932 Frequency and time synchronization in severe delay spread channels  
A method for synchronizing the time and frequency of an incoming packet of transmitted information with a receiver in a wireless communication system includes a synchronization method which may...
6671270 Wireless communication system and control method therefor  
A wireless communication apparatus which performs communication control on wireless communication apparatuses in a predetermined cell of a predetermined range. When information on synchronization...
6667966 Ambient field level monitor device for radio mobile terminal  
The present invention relates to an ambient field level monitor device for a radio mobile terminal, comprising a reception unit for receiving a radio signal arriving at the radio mobile terminal to...
6667963 Cellular radio synchronization  
A cellular radio network based positioning system for determining the position of a mobile station ( 16 ). For each base transceiver station ( 1 to 5 ) or cell of the network, a fixed list of...
6668170 Mobile radio telecommunications system with synchronized handover  
In a mobile radio network such as the Universal Mobile Telephone System, for handover or relocation of control of a mobile from a serving RNC 22 to a target RNC 24 , the TRNC 24 sends a...
6665288 Method and apparatus for reducing synchronization code interference in CDMA communications systems  
In a code division multiple access (CDMA) communications system, a synchronization code is transmitted on a first channel. Information is selectively communicated on a second channel, e.g., a...
6665289 Wireless telecommunications system employing dynamic multislot class  
A method is disclosed for operating a wireless TDMA communications system. The method includes steps of monitoring a propagation delay of a mobile station; and when the propagation delay exceeds a...
6657988 Method and apparatus for timing adjustment for uplink synchronous transmission in wide code division multiple access  
A method and apparatus for use in the uplink synchronous transmission in UTRA FDD. As the downlink DPCH field carries a transmit power command (TPC) in each of the slots in a radio frame, the TPC...
6657977 Radio with burst event execution apparatus and method therefore  
A radio ( 10 ) with a burst event execution and time synchronization apparatus ( 16 ) executes instructions during and after performing time synchronization between a mobile unit and a base...
6654358 Method for transmitting power control signal in mobile communication system  
A method for transmitting a power control signal in a mobile communication system. By altering the power control subchannel, the method reduces the delay between power measurement and power control...
6650648 Automatic configuration of a bridge terminal for transmitting data between a plurality of sub-networks in a local area network  
The invention relates to a local area network comprising a plurality of sub-networks and a plurality of bridge terminals, which bridge terminals are each provided for transmitting data between the...
6647266 Channel card for extending coverage area of base station  
There is provided a channel card for extending the coverage area of a base station, which controls GPS reference signals provided to base station modems to extend the coverage area by up to four...
6647000 Methods and apparatus for performing slot hopping of logical control channels in wireless communications systems  
A base station synchronized Time Division Multiple Access (TDMA) System with a discontinuous control channel carrier is disclosed. Control channels are planned in a time reuse, overlaying the...
6647504 System and method for outputting a sample using a time stamp predicted at a receiving station coupled to an output station via a variable latency bus  
A programmable computer receives samples of an input signal and outputs the samples under program control. Desired output time points for the samples are determined with respect to a time-base...
6643281 Synchronization preamble method for OFDM waveforms in a communications system  
A highly bandwidth-efficient communications method is disclosed that enables remote stations to synchronize in time and frequency to their serving base station. The invention enables a base station...
6639909 Receiver having functions for cancelling DC offset and measuring carrier detection threshold value, and control method thereof  
An improved system and method for canceling a DC offset and measuring a carrier detection threshold value. A control circuit provides a signal based upon a frame synchronizing signal for shutting...
6639905 Communication network  
A transmitter, for controlling at least one receiver by intermittently transmitting groups of messages. The transmitter includes a controller arranged to provide intermittently groups of messages...
6633559 Apparatus and methods for extended base station range using staggered uplink frame structures  
A first group of terminals at a first range from base station is instructed, e.g., by transmitted timing advance values, to time their transmissions to arrive at a base station in synchronism with...
6631142 Delay correction system for wireless telephone system  
A delay correction system is used for a wireless telephone system in which a base station apparatus and at least one subscriber apparatus carry out transmitting and receiving operations via...
6628676 Systems and methods for communicating messages among cascaded devices by bit shifting  
Messages are communicated among a plurality of devices that are serially connected, such that a preceding device is connected to a succeeding device, by receiving a message from a preceding device,...
6628642 Synchronization deviation detection  
A method for monitoring synchronization deviation in a mobile telecommunication system is disclosed. The system records the deviation in the synchronization between base stations which may be...
6621813 Methods and apparatus for synchronization in a wireless network  
A method of synchronizing a base station and a remote station is presented. The base station is communicatively coupled with the remote station and a reference network. The base station clock...
6622022 Wireless network with clock synchronization  
The invention relates to a wireless network with a plurality of network nodes, each of which consists of at least one electrical apparatus and at least one radio device which are arranged to...
6618458 Method and apparatus for signal receiving synchronization  
A synchronization method for received sign and its apparatus capable of increasing accuracy of detection of a receiving signal, of estimating a frequency and of improving reliability in the...
6614779 CDMA physical layer packet mechanisms for distributed bursty traffic  
A new access channel protocol for use in cellular systems such as CDMA whereby the data transfer efficiency of an access message is increased by removing the requirement that a preamble frame and a...
6608829 Closed-loop synchronization arrangement for data transmission system  
A synchronizing arrangement for a closed-loop data transmission system includes a central data switch and a plurality of transceivers which may be interconnected by way of the switch for the...
6600758 Methods and apparatus for measuring control carrier signal strength in wireless communications systems employing discontinuous control carrier transmissions  
A method and device for making measurements on a control channel carrier that is not transmitting continuously with constant power is disclosed. In a system transmitting control on, e.g., one...
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