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| Number | Title | Issue Date |
| 7339882 | Method for frame and frequency synchronization of an OFDM signal and method for transmitting an OFDM signal A method for frame and frequency synchronization of an OFDM signal and a signal for transmitting an OFDM signal is described, the purpose of which is to impress a pilot phase profile that is then used at the receiving end for frame and frequency synchronization on p... | 03/04/2008 |
| 7339948 | Industrial controller providing deterministic communication on ethernet A transmission schedule is overlaid on the Ethernet protocol to allow use of this readily available high speed protocol for transmission of I/O data communicated in an industrial control environment and requiring a high degree of determinism. Scheduling improves loa... | 03/04/2008 |
| 7339918 | Method for improving the quality of data transmission A method for improving the quality of data transmission in cellular radio systems utilizes time division multiple access, in which the strength of a signal received at a base station is measured and a decoder for soft decision-making is employed. The method includes... | 03/04/2008 |
| 7339935 | ATM switch for distributing cells to avoid blocking in the ATM switch An ATM switch includes a first stage, a second stage and a third stage each of which stages includes at least one basic switch, wherein the first stage, the second stage and the third stage are connected. The basic switch includes a part which refers to time informa... | 03/04/2008 |
| 7339922 | System and method for synchronizing timers over wireless networks A method of synchronizing timers in a wireless network is described. According to some embodiments, a master timer is sampled at the start time of a first beacon in a first data object and the sampled master timer value is broadcast in a second beacon of a second da... | 03/04/2008 |
| 7340266 | Method and apparatus for communicating with multimode receiving device in non-synchronized wireless systems An apparatus, such as a network element (112), for use in a system that communicates with a multimode receiving device (110), employs an information gating buffer (400) that is operably coupled to a first wireless system transmitter (404)... | 03/04/2008 |
| 7340630 | Multiprocessor system with interactive synchronization of local clocks A multiprocessor computer system comprises multiple data processors, each with an internal clock for providing time stamps to application software. The processors take turns as synchronization masters. The present master transmits a “request” time stamp (indicat... | 03/04/2008 |
| 7339853 | Time stamping events for fractions of a clock cycle Generally, the embodiments are directed to circuits and methods for time stamping an event at a fraction of a clock cycle. A time stamping circuit comprises two or more detection circuits. The detection circuits receive an event-in signal and generate event signals ... | 03/04/2008 |
| 7339906 | Opening a communications stream between a user terminal and a base station A method and apparatus are provided that allow a communications stream to be quickly opened between two terminals. According to one aspect of the present invention, the invention includes registering the base station and the user terminal with each other by exchangi... | 03/04/2008 |
| 7339886 | System and method for synchronizing SGSNs and a GGSN A system and method for synchronizing SGSNs and GGSN in a mobile communication system that guarantees synchronization until a malfunction, if any, in an NTP server is cured. If malfunction occurs in the NTP server and an associated range, the NTP server is changed u... | 03/04/2008 |
| 7339917 | Method for selectively allocating a limited number of bits to support multiple signaling types on a low bit rate channel In a wireless communication system with an air interface comprising a plurality of bursts, a plurality of bursts is defined. Each burst comprises a field (300) embedded within the burst. The field is one of a synchronization field (300′) and a signal... | 03/04/2008 |
| 7336643 | TDMA communications apparatus A TDMA communications apparatus is provided with a central processor and a control circuit for resetting or fine-adjusting a count value of a slot timing generating counter which generates slot timing pulses used for establishing synchronization of communication. Th... | 02/26/2008 |
| 7336644 | Method for synchronization of data transmission comprising at least one first radio system and at least one additional radio system The invention relates to a method and an assembly for synchronizing data transmission, comprising at least one first radio system and at least one additional radio system. According to said method, the transmission behavior of the first radio system or systems is ev... | 02/26/2008 |
| 7336646 | System and method for synchronizing a transport stream in a single frequency network A single frequency network (SFN) system is provided, where the system includes a head-end and a plurality of transmitters. The head-end is capable of calculating timing information based upon a time reference having a second resolution. Thereafter, the head-end is c... | 02/26/2008 |
| 7336645 | Bluetooth-IP access system The present invention relates to a Bluetooth-IP access system, and provides the Bluetooth-IP access system capable of performing broadband, large capacity and fast access by providing a Bluetooth-IP accessing device and a Bluetooth terminal with a module supporting ... | 02/26/2008 |
| 7336647 | System and method for ranging A system operable for ranging synchronization is provided. The system includes a first component that is operable to analyze a set of signals. The first component is operable to determine a subset of the set of signals based on a condition, at least some of the set ... | 02/26/2008 |
| 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 spreads and multiplexes user data of users. The radio transmitters ar... | 02/26/2008 |
| 7336751 | Power control circuit and radio transmission apparatus The invention relates to power control of a cellular mobile communication system using TPC, and a power control circuit in a base station set and a radio terminal is equipped with a synchronism detecting unit for detecting synchronism data indicating synchronism est... | 02/26/2008 |
| 7333469 | Method for deep paging A method for compensating for the Doppler effect in a communication system where messages are transmitted at a low data rate to a user terminal that is inside a building. The method comprising acquiring a pilot signal prior to the user terminal entering the building... | 02/19/2008 |
| 7333470 | Process and device for the cell search procedure in cellular communication systems, computer program product therefor To execute the cell-search procedure in a cellular communication system (such as a system based upon the 3GPP TDD standard), there are available identification codes for the second step (slot synchronization) and for the third step (identification of the scrambling ... | 02/19/2008 |
| 7333467 | Receiver circuit and method using selectively variable amplification for receiving time signals from different transmitters A time signal carrying encoded time information transmitted at a transmission frequency from any one of plural time signal transmitters is received, amplified, and evaluated to acquire the time information. The transmission frequency of the received time signal is d... | 02/19/2008 |
| 7333838 | Method for reducing power consumption in bluetooth and CDMA modes of operation Techniques are provided for synchronizing a wakeup schedule for a first module and a wakeup schedule for a CDMA module in a wireless mobile unit operable in a synchronous communication system. In one embodiment, a next CDMA wakeup time is determined. A new wakeup ti... | 02/19/2008 |
| 7333579 | Robust symbol timing recovery circuit for telephone line modem A robust symbol timing recovery circuit for a telephone line modem is provided. The symbol timing recovery circuit comprises a timing estimator and an interpolator. The timing estimator, which performs an operation on input samples and estimates a timing offset of a... | 02/19/2008 |
| 7333560 | Method and apparatus for transmitting data in a time division duplexed (TDD) communication system Techniques to process data for transmission in a time division duplexed (TDD) communication system. In one aspect, the frequency response of a forward link is estimated at a base station based on reverse link transmissions (e.g., pilots) from a terminal. Prior to a ... | 02/19/2008 |
| 7333468 | Digital phase locked loops for packet stream rate matching and restamping A packet stream multiplexer may include one or more control loops (e.g., digital phase locked loops) for tracking the source clock frequency associated with a packet stream. A first control loop may slowly drive an error between a received timestamp and an estimated... | 02/19/2008 |
| 7330458 | Method for synchronizing terrestrial nodes equipped with GNSS receivers and belonging to a terrestrial network A method and system for synchronizing terrestrial nodes equipped with GNSS (Global Navigation Satellite System) receiver belong to a terrestrial network. Synchronization is achieved by selecting terrestrial node to be synchronized to form a synchronization zone. The... | 02/12/2008 |
| 7330700 | Radio apparatus and method for determining the communication timing of a channel quality indicator (CQI) based on CQI update and CQI repetition count information When a CQI that is based on CQI update cycle information and a CQI that is based on repetition count information have an overlapping transmission timing, CQI transmission timing controller 110 and CQI transmission timing priority determiner 120 transmi... | 02/12/2008 |
| 7330459 | MAC controller and clock synchronizing method for use with the same In a wireless local area network media access controller (MAC) disposed in a first node of a wireless local area network, a method is performed to synchronize the clock of the first node with the clock of a second node in the wireless local area network. When a requ... | 02/12/2008 |
| 7330447 | Cell search method in CDMA capable of carrying out a cell search processing at a high speed On ending communication, a timer is started in order to watch a communication stop time interval. On staring the next communication, a timer value of the timer is watched. If the timer value is less than a communication stop time interval threshold value, a cell sea... | 02/12/2008 |
| 7327718 | Data multiplexing method and data multiplexer, and data transmitting method and data transmitter An effective data multiplexing method wherein an error correction ability is exerted at the maximum so that data transmission quality is improved and a data transmitting method in which an interleaving process applicable to data transmission using interpolation pilo... | 02/05/2008 |
| 7327717 | Wireless LAN receiver synchronization A WLAN (Wireless Local Area Network) receiver is provided that provides at least two acquisition units and at least two tracking units. The acquisition units perform a synchronization acquisition process, and the tracking units perform a synchronization tracking pro... | 02/05/2008 |
| 7327705 | Hybrid wireless network for data collection and distribution An electronic data transport system includes a mobile access point and a carrier for moving the mobile access point over a surface and/or water route. The mobile access point includes a communications module for wirelessly transmitting data to and receiving data fro... | 02/05/2008 |
| 7327706 | Resynchronization of point-to-point protocol sessions for inter-PDSN handoffs Methods and apparatus are presented to support the mobile Internet Protocol (mobile IP) across different air interface standards. In particular, mechanisms are provided that will allow a mobile device to selectively force a Point-to-Point Protocol (PPP) session resy... | 02/05/2008 |
| 7327308 | Programmable method and test device for generating target for FMCW radar A test device for a frequency modulated continuous wave (FMCW) radar is provided. The test device has a central control unit for monitoring the FMCW radar. When the FMCW radar transmits a frequency modulated continuous signal to search for a target, the central cont... | 02/05/2008 |
| 7328034 | Method for synchronizing a radio communication system divided into radio cells, a base station and mobile station in such a system A method synchronizes a radio communication system divided into radio cells. Data is transmitted in the radio communication system by a multiple access method. Each radio cell thus has a base station for the radio feed of several mobile stations, allocated to the ra... | 02/05/2008 |
| 7327734 | Packet data service in radio communication system Disclosed are a method and a device for offering a packet data service during to a handover of a user terminal from one radio network controller to another. To avoid the loss of data during SRNS relocation, there is provided a method for checking the validity of the... | 02/05/2008 |
| 7325172 | Failsafe RLC reset method for a wireless communication system Embodiments of the present invention relate to a method. The method includes synchronizing a first device and a second device. If the first device and the second device both initiate the synchronizing at substantially the same time, then the first device and/or the ... | 01/29/2008 |
| 7324479 | Cell search method in UMTS A cell search method in an asynchronous mobile communication system. For cell search, a UE searches signals received from Node Bs in a slot synchronization step, calculates the timing offset of each of the Node Bs by comparing signals having slot peaks higher than a... | 01/29/2008 |
| 7324495 | System and method for broadcasting timing information to remote units in a wireless multiple access network A method has been provided for using the broadcast channel of a wireless multiple access network to communicate network timing information, or a time-stamp, to remote units. The method defines a broadcast channel protocol which divides communication frames into unit... | 01/29/2008 |
| 7324507 | Ethernet automatic fiber/copper media selection logic A network device includes a media access controller (MAC) and a physical layer device including an interface that communicates with the MAC, and first and second transceivers. A first autonegotiation circuit attempts to establish a first link using the first transce... | 01/29/2008 |
