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7394801 Cell search method suitable for initial cell search and target cell search  
A wireless device generates a peak profile for a primary synchronization channel (PSCH), and has a synchronization stage for performing code group identification and scrambling code identification....
7386081 Timing control circuit and method thereof  
A timing control circuit includes a synchronous detecting portion which detects a synchronous pattern data of a received signal which has been demodulated based on a first control signal and...
7386006 Process and device for synchronization and codegroup identification in cellular communication systems and computer program therefor  
In a first step, slot synchronization may be obtained by setting in correlation the received signal with a primary sequence, which represents the primary channel, and storing the received signal....
7376120 Radio base station synchronizing responsive to conditions being met  
In the case of radio base stations of different kinds, a synchronization in a radio section cannot be established so that the efficiently effective use of electric waves cannot be retained....
7366192 Methods and system for fast session establishment between equipment using H.324 and related telecommunications protocols  
A method of processing a call with reduced call set-up times using one or more telecommunication networks includes providing one or more preferences for a call associated with a first terminal and...
7363359 Element management system with automatic remote backup of network elements' local storage  
An element management system that can itself be used to perform automatic remote backup of the network elements. A backup procedure is launched on a programmed schedule, to maintain a centrally...
7349400 Method and system for transport protocol reconstruction and timer synchronization for non-intrusive capturing and analysis of packets on a high-speed distributed network  
A transport protocol data flow reconstruction method delays determination that a missing packet is lost for a period of time. For an evaluated TCP packet in a first direction, the method determines...
7346107 VSB transmission system for processing supplemental transmission data  
A VSB communication system or transmitter for processing supplemental data packets with MPEG-II data packets includes a VSB supplemental data processor and a VSB transmission system. The VSB...
7336637 CDMA communication device for improving the usability of frequencies and suppressing the occurrence of call loss  
The CDMA communication device of the present invention includes a spreading unit, radio transmitters, and a control device that includes a setting unit and a determination unit. The spreading unit...
7324549 Synchronisation communication systems  
A method and apparatus of transmitting data at a line rate to a bus operating at a bus rate includes transmitting the data in a packet format having a plurality of frames each having a plurality of...
7302268 System and method for radio transmitter acquisition  
A method of a receiver determining the timing of a signal transmitted in a time-slotted manner, the signal comprising a sequence of information which is repeated at a known interval and has at...
7274714 Emulating of information flow  
The object of the invention is a method for emulating the two-way information flow of a real application in a system, which comprises a first network element ( 101 ) and a second network element (...
7260119 System, method, and computer program product for ethernet-passive optical networks  
A system, method, and computer program product for synchronizing time between a centralized controller device and at least one subscriber device on an Ethernet Passive Optical Network (EPON). The...
7254115 Split-transaction bus intelligent logic analysis tool  
An improved split-transaction bus intelligent logic analysis tool has a bus synchronizer, a decoder and a logic analysis function. The bus synchronizer is configured to receive link traffic and...
7245637 Methods and apparatus for suppressing signaling tones in telephony signal  
In some embodiments, a method includes detecting a tone in each data frame of a sequence of telephony signal data frames. A first data frame of the sequence of telephony signal data frames may be...
7242696 Digital TDMA link with no sync word  
The portion of TDMA frames otherwise containing the sync word is eliminated for one or more data frames at the end of a TDMA data burst to provided added bandwidth for data payload or for a reduced...
7231583 Communication method and apparatus  
In a frame sync method, a receiver searches for the presence of an N-symbol long unique word pattern. For each possible frame sync detected, the receiver proceeds to demodulation and FEC...
7230956 Techniques for frame detection and word alignment  
A system receives input data frames that are configured according to a SONET or an SDH standard. The input data is converted to parallel data. The system provides groups of bits along parallel...
7221661 Radio terminal, radio synchronization system having no base station, and recording medium  
According to the present invention, all terminals can establish synchronization in a radio communications system formed only of a plurality of mobile terminals. This radio terminal communicates by...
7213190 Data processing apparatus and method  
A data processing apparatus according an aspect of this invention has a syndrome calculation unit configured to calculate the syndrome of a demodulated data sequence. The syndrome calculation unit...
7209493 Multiplex transmission system and multiplex transmitter  
A multiplex transmission system according to the invention includes a transmitter and a receiver. The transmitter is provided with an idle frame inserting unit that inserts a specific idle frame...
7194267 Transport channel control in a UMTS network  
A method of switching from a first to a second transport channel for User Equipment (UE) in a UMTS Terrestrial Radio Access Network (UTRAN) of a UMTS system. The method comprises initiating a...
7177520 System and method of timecode repair and synchronization in MPEG streams  
A method, apparatus and article of manufacture is provided for processing a previously encoded MPEG video high-resolution (HR) file and corresponding proxy file, for frame accurate timecode repair...
7158535 System and method for translating overhead bytes in a multidimensional digital frame structure  
A system and method have been provided for translating digitally wrapped communications between networks using different protocols. This invention makes use of an integrated circuit (IC) relay with...
7154917 Transmission system for transmitting a main signal and an auxiliary signal  
In a transmission system with a transmitter coupled to a receiver a main signal encoded according to a coding property is transmitted together with an auxiliary signal (AUX). In order to transmit...
7139264 Communications system  
In a synchronous digital communications system a network of SDH (or SONET) equipments (SE) are arranged to exchange synchronisation signals via ports on the SEs, each port being allocated a source...
7126967 Time-alignment apparatus and method for providing data frames of a plurality of channels with predeterminated time-offsets  
The invention relates to a time-alignment apparatus and a time-alignment method of a transmitter (TX) of a telecommunication system TELE. Successive data frames (ch 1/0, ch 2/0, ch 3/0, ch 4/0, ...
7116735 Adaptive equalization apparatus and method  
A correlation between a received signal and a sync word signal is calculated. A window signal having a time span which is equal to an equalization range for an adaptive equalizer is defined. A...
7103362 System and method for radio transmitter acquisition  
A method of a receiver determining the timing of a signal transmitted in a time-slotted manner, the signal comprising a sequence of information which is repeated at a known interval and has at...
7099353 Orthogonal frequency division multiplexing system with superframe synchronization using correlation sequence  
A wireless transmitter (TX 1 ). The transmitter comprises circuitry for providing a plurality of control bits (CONTROL) and circuitry for providing a plurality of user bits (USER). The transmitter...
7079506 Enhancements to the 3-carrier compact solution for IS-136HS  
A method enables the introduction of a 200 kHz GSM-type network into a TDMA system having a bandwidth that is substantially less than a 2.5 MHz bandwidth normally employed for GSM-type networks....
7075949 OFDM receiving device and OFDM receiving method  
The time required for switch the channel can be remarkably curtailed. When broadcasting signals through a plurality of information channels with an OFDM system, the plurality of information...
7072364 Synchronization and setting system for signals received in radio base station  
A synchronization protecting and setting system for signals received in a radio base station whereby a protection of synchronized word SW detected in a first synchronized word detecting window AP 1...
7054299 Method and apparatus of pilot signal synchronization verifier  
Briefly, in accordance with one embodiment of the invention, a verifier and a method for verifying synchronization of at least one pilot signal pattern of a wireless communication system are...
7042854 Method and apparatus for acquiring a synchronization signal  
A method and system for acquiring a time division multiplexed synchronization signal in a satellite communication system is provided. The signal is provided as a series of frames with beacon...
7039142 Synchronization method and apparatus  
The present invention refers to a method and an apparatus for synchronizing operation at a node of a communication network. According to the invention a phase relationship between an output frame...
7035292 Transposable frame synchronization structure  
A method is provided for organizing a communications frame structure with selectable synchronization words. The frame structure includes a header section for overhead bits. The number of bits,...
7007106 Protocol and method for multi-chassis configurable time synchronization  
Systems and methods are disclosed for time synchronization of operations in a control system. Synchronization networks and devices are provided for transferring synchronization information between...
6996161 Data communication in a wireless local area network using M-ary Code Keying  
A method and apparatus for data communication using signature sequences and spread spectrum techniques to reduce the effects of certain transmission impairments in a Wireless local area network...
6988144 Packet scheduling system and method for multimedia data  
A method for scheduling the delivery of multimedia data packets over a communications medium with a limited bandwidth. The packets may contain data representing images, sounds, or other media which...
6973101 N-way simultaneous framer for bit-interleaved time division multiplexed (TDM) serial bit streams  
An apparatus comprising a memory, an encoder and one or more registers. The memory may be configured to (i) read and/or write a plurality of state vectors and (ii) read and/or write data. The...
6973100 System and method for programming the location of frame synchronization words in a multidimensional digital frame structure  
A system and method have been provided for programming synchronization features of a multidimensional digital frame structure. Such a frame structure acts as a digital wrapper, and includes...
6973060 Rotating synchronization channel (SCH) transmission  
A method for presenting information to a mobile station that is transmitted during a common idle frame that consists of a set of time slots, comprising arranging individual transmissions such that...
6959014 Method and apparatus for operating a communication bus  
Embodiments of the present invention related generally to communication systems. One embodiment contemplates a method for operating a communication bus where the method includes detecting a start...
6959013 Communication network  
A transmitter for transmitting an intermittent sequence of messages to maintain synchronization between the transmitter and a receiver. The transmitter includes control apparatus which provides...
6952583 Method for processing synchronous message in asynchronous mobile communication system  
A method for processing a synchronous message in an asynchronous mobile communication system including an asynchronous mobile station and an asynchronous radio network, comprises the steps of: when...
6950455 Synchronization establishing method of mobile station in mobile communication system  
A synchronization establishing method of a mobile station in a mobile communication system is proposed which can reduce the effect of noise or interference, and achieve higher accuracy than...
6934304 T1/E1 framer array  
A system and method for frame detection and generation. Each incoming clock-data stream is divided into two independent data streams: a clock path which preserves the timing of the individual cock...
6912260 System clock synchronization using phase-locked loop  
An apparatus for synchronizing the system clocks of wireless devices in a digital communications system is presented. A digital phase-locked loop is employed. The phase-locked loop may include a...
6904079 Access channel structure for wireless communication system  
A technique for efficient implementation of pilot signals on a reverse link in a wireless communication system. An access channel is defined for the reverse link such that within each frame, or...
Matches 1 - 50 out of 236 1 2 3 4 5 >