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7627348 |
Point to multipoint device for communication with a plurality of telecommunications units
A point to multipoint device for use in a wireless network operates a sequence of variable duration communication channels, allocatable to telecommunications units. A training sequence indication...
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7626975 |
Method of synchronizing broadcast streams in multiple soft handoff sectors
Transmission of broadcast streams in multiple sectors is synchronized based on time stamps or sequence numbers in data packets received at the base station. The base stations use the time stamps to...
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7626974 |
Frame synchronisation in a radio access network
A method of optimizing the timing offsets with which data frames are transmitted over the Iur/Iub interfaces of a UMTS Terrestrial Radio Access Network, UTRAN. The method comprises, for a given...
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7626946 |
Communication system with timing cycle simulation
Each node in a communication system operates on a repetitive internal timing cycle, at certain phases in which the node transmits data and state variable signals. The state variable signals...
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RE41000 |
Methods and arrangements in a radio communications system
Methods and an arrangement for synchronizing communication of framed data via asynchronous base stations (BS 1, BS 2 ) in a cellular communication system are presented. The synchronization methods...
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7620137 |
System and method for clock drift correction for broadcast audio/video streaming
A clock rate used in rendering broadcast streaming audio/video data is adjusted to converge on a clock rate associated with broadcasting the streaming data. The clock rate is adjusted by monitoring...
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7616622 |
Synchronization signal for synchronizing base stations
A synchronization signal used to synchronize base stations in a mobile radio telecommunication system having a first sequence followed by a second sequence, the first and second sequences being...
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7616616 |
Apparatus and method for enhanced quality of service in a wireless communications network
A wireless LAN having a plurality of wireless phones with enhanced medium access control which enables QoS functionality and being further modified to provide priority transmission of frames of...
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7613210 |
Measuring time management system, data transmitter-receiver and measuring time management method
A unified time can be simply set between data measuring instruments, and when the clock function of a specific data measuring instrument was damaged, the data measuring instrument can be...
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7613164 |
Method and apparatus for generating and distributing an internal clock for radio network controller
A method for generating an internal clock in a radio network controller and a relevant transmission processing board. The transmission processing board comprises; a clock signal selector for...
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7606775 |
Mobile communication terminal using MOBP learning
A scheduling apparatus and method of an intelligent mobile communication terminal are provided. The scheduling apparatus of the mobile communication terminal may include a Real Time Clock (RTC) for...
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7602816 |
Systems and methods for serial packet synchronization in a voice processing system
A serial packet sync encoder is used to encode a serial packet sync datastream. In an embodiment, the serial packet sync datastream is made up of the packet sync vector and a unique preamble bit...
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7602765 |
Method for synchronizing status information of IMPS client
The present invention is related to synchronizing status information of an IMPS client in a wireless communication system. A server, which manages status information using version information,...
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7602764 |
Communication timing control method and apparatus, node, and communication system
A communication timing control apparatus for use in the nodes of a communication system includes a signal communication unit that transmits a state variable signal to neighboring nodes and receives...
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7602763 |
Distribution of frame synchronization information at base station
A method and system distributes frame synchronization information at a base station implementing air interfaces of at least two different standards and to a base station implementing air interfaces...
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7599680 |
System and method of billing for minutes shared between a portable wireless communication device and a telematics unit
A method of tracking short-range wireless communication in a vehicle. The method includes tracking a total usage time of a short-range wireless connection between a telematics unit and a portable...
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7599348 |
Digital E8-VSB reception system and E8-VSB data demultiplexing method
An enhanced 8-VSB reception system and E8-VSB data demultiplexing method, by which an E8-VSB signal can be stably received as well as a previous ATSC 8VSB signal, is disclosed. Herein, the enhanced...
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7599333 |
Wireless messaging preambles allowing for beamforming and legacy device coexistence
A modified preamble is used by extended devices that operate in mixed mode environments and green field environments, to accommodate beamforming of transmissions. In one process, an extended...
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7599332 |
Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices
A modified preamble is used by extended devices that operate at higher rates, MIMO or other extensions relative to strict 802.11a-compliant devices. The extended devices might use multiple antenna...
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7596113 |
Transmission scheduling for TDMA networks
A technique for scheduling transmissions for a plurality of transmitters in a TDMA network is described. The technique includes assigning guard time between each pair of successive transmitters,...
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7596105 |
User equipment for synchronizing to a TDD base station
A time division duplex (TDD) user equipment (UE) is configured to synchronize to a TDD base station. The UE includes a receiver configured to receive a primary synchronization code along with a...
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7594133 |
Method and apparatus for determining a deviation between clock pulse devices
The invention relates to a method for synchronizing clock pulse devices. According to this method, an emission unit emits at least one narrow-band distant signal; clock pulse devices of receiving...
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7593738 |
GPS synchronization for wireless communications stations
A method and system are specified to determine, provide, and exploit the precise time base relations between the distinct signal timings of the Global Positioning System (GPS) and a wireless...
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7593372 |
Method and radio device for scanning a wireless communications channel
The present invention switches from the TDMA non-scan channel to an RF carrier signal frequency of the scan channel. If the scan channel is unmarked, performing an inspection of activity on the...
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7593371 |
Radio communication system and base station employing CDMA
A base station controller selects codes corresponding to rate information included in a new starting call message from a mobile station, and further selects codes assignable to the mobile station...
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7590198 |
Impulse-based communication system
A synchronization acquisition method for impulse-based communication including synchronizing received information with a first pulse signal having the same period as the transmit information...
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7590101 |
Remote operations using wireless personal area network
A computer includes a wireless personal area network (WPAN) interface, a wireless local area network (WLAN) interface and a wireless wide area network (WWAN) interface. A device communicating with...
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7590078 |
Detecting legacy spoofing in reduced functionality user terminals
Backward compatibility may require the use of fields or other indicators that are interpreted by new nodes or stations in a system in a manner different from the way legacy nodes interpret those...
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7586896 |
System for maintaining synchronization between multiple asynchronous communication links
An apparatus for maintaining synchronization with a plurality of asynchronous communication links includes a first counter that generates a first local network clock, and a second counter that...
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7583967 |
Method and devices for transferring data to a mobile unit
According to the invention, in a transfer of data ( 1 ) to at least one mobile unit the data ( 1 ) are provided with an identifier ( 7 ) that assigns the data ( 1 ) to the at least one mobile unit....
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7583655 |
Synchronizing call feature data between an IMS network and a legacy network
Communication networks and methods are disclosed that synchronize call feature data between an IMS network and a legacy network, such as a cellular network. An IMS subscriber server (e.g., a Home...
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7583654 |
Sub-frame synchronized multiplexing
A method of communication that includes transmitting a communication signal having a synchronization preamble from a first node. Setting a local clock of at least one second node pursuant to the...
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7583653 |
Method for downlink transmission synchronization and data buffer sizing in a radio access network
A method for transmitting a data frame in a wireless communication system begins by creating a time of arrival (TOA) window, including a window start (WS) and a window end (WE). The TOA of the data...
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7583584 |
System and method for time diversity
A system and method for time diversity uses interleaving. To simplify the operation at both transmitters and receivers, a formula can be used to determine the mapping from slot to interlace at a...
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7577452 |
Mobile telephone apparatus
The invention provides a cell phone which shows good receiving sensitivity even in a state where synchronization with a base station is not provided, such as power-on and detection of a dead space....
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7577216 |
Guard interval and FFT mode detector in DVB-T receiver
For determining FFT and GI (guard interval) modes within a receiver, a correlation signal is generated from an in-phase and quadrature (I/Q) stream. An plurality of GI mode division signals are...
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7577169 |
Time stamping
A method of time stamping by using a modified NTP at the data link/physical layers. The method includes steps of time stamping and recording arrival and transmit times at a lower data link level of...
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7577115 |
Apparatus and method for acquiring code group in asynchronous W-CDMA system
Provided are an apparatus and a method for acquiring a code group that is used for a mobile communication terminal to acquire a scrambling code for identification of a base station. The present...
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7574597 |
Encoding of signals to facilitate traffic analysis
A system acquires information about communication among wired or wireless nodes [ 110, 210 ] in a network [ 100, 200 ] by intercepting chunks of data in the network by a wired or wireless tap [...
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7574224 |
Methods and apparatus for performing timing synchronization with base stations
A wireless terminal using OFDM signaling supporting both terrestrial and satellite base station connectivity operates using conventional access probe signaling in a first mode of operation to...
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7573865 |
Method of synchronizing a wireless device using an external clock
A method is provided for operating a dual-use wireless device. The method includes: receiving an external timing signal at a first wireless circuit in the device; synchronizing a first clock in the...
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7573864 |
Method for realtime digital processing of communications signals
In a communications or jamming system, accurate timing of the transmission of digitally processed signals is accomplished through the use of standard off-the-shelf components. In order to eliminate...
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7573863 |
Method for real time control of transmit chain for software radios
In a communications or jamming system, accurate timing for the control of the frequency, amplitude, modulation type, pulse repetition rate or other transmit characteristics is achieved for the...
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7570961 |
Apparatus and method for reactivating multiple packet data sessions in a wireless network
A mobile station capable of reactivating at least a dormant first data session and a dormant second data session associated with a first base station of a wireless network. The mobile station...
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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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7567814 |
Time synchronized radio transmission system
In a radio transmission system, a receiver comprises means for synchronizing the time on the side of the receiver with the time on the side of the transmitter by a PLL circuit on the basis of...
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7567546 |
Transmitter device, bridge device, and receiver device, and network system including the devices
A network system includes a transmitting apparatus; a transmission path; a relaying apparatus that receives real time information transmitted through the transmission path; a wireless network; and...
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7567533 |
Packet detection system, packet detection device, and method for receiving packets
A packet detector for a multi-band orthogonal frequency division multiplexing system includes a plurality of packet detection units each corresponding to a time frequency code for detecting packets...
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7564832 |
Scheduling poll packets in bluetooth sniff mode
A Bluetooth master radio frequency unit addresses a slave radio frequency unit, to enable the slave to resynchronize to the master, by sending poll packets or null packets, the master being...
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7561582 |
Data reception device
A data reception device having a reception data buffer unit storing a plurality of packets contained in a data packet, a reception data amount measuring unit measuring the data amount stored in the...
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