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7505428 |
Time difference information supply system, terminal unit, control method for terminal unit, control program for terminal unit, and recording medium for computer-reading on which control program for terminal unit is recorded
A time difference information supply system includes a terminal unit for receiving satellite signals and a plurality of communication base stations asynchronous with one another, which communicate...
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7505443 |
System and method for broadcasting application-specific information in wireless local area networks
A system and method for a novel broadcasting scheme (NBS) in a wireless local area network are described, which can operate with or without a network connection. The system permits transmission of...
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7505448 |
Method of wireless channel resource allocation and rate control in a cdma communication system
The present invention discloses a method for resource allocation and rate control of dedicated channels in a Wideband Code Division Multiple Access (WCDMA) communication system, the method being...
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7505450 |
Configuration of failure and acquire timeouts to facilitate recovery from failures in hierarchical mesh networks
Methods, apparatuses and systems directed to providing an efficient failure recovery mechanism in hierarchical wireless mesh networks. In one implementation, the present invention mitigates the...
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7505449 |
Queue management for connectivity quality awareness for intelligent device synchronization
A method, system and apparatus for synchronization queue management. A synchronization queue management system can include a connection manager programmed to establish a synchronization link...
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7505522 |
Spectral shaping in multiband OFDM transmitter with clipping
A method of shaping an orthogonal frequency division multiplexing (OFDM) signal spectrum is disclosed. The method comprises receiving an input signal that has a frequency spectrum that includes a...
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7499422 |
Uplink/downlink synchronizing apparatus of mobile communication terminal
An apparatus and method for synchronizing the transmission of uplink signals and reception of downlink signals by a terminal in a mobile communication system is disclosed, the apparatus and method...
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7499444 |
Method for clock synchronization of wireless 1394 buses for nodes connected via IEEE 802.11 a/b WLAN
A method and apparatus for providing clock synchronization of 1394 buses having wireless devices utilizing 802.11 communication with computers attached to one or more 1394 buses, include the steps...
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7499723 |
System and method for synchronization between base stations
An inter-base station synchronization system is constructed without using any receiver for detecting a frame period error at a zone boundary between leaky coaxial cables, and without using any...
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7496085 |
Method for handling periodic status report timer after an RLC re-establishment in a wireless communications system
A method for handling a Timer_Status_Periodic timer in a wireless communications system includes starting the Timer_Status_Periodic timer for a Radio Link Control Acknowledged Mode (RLC AM) entity,...
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7492754 |
Method and apparatus in a CDMA communication system
A novel and improved method and apparatus, in a WCDMA communication system, for informing a mobile station of a downlink data frame time offset by determining the downlink data frame time offset,...
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7493130 |
Synchronizing over a number of synchronization mechanisms using flexible rules
Two computer systems in a network each have a local store that contains a copy of a data item that is to be synchronized. One of the computer systems may be, for example, a mobile device while the...
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7489751 |
Method and apparatus for synchronization of a receiver to a transmitter
In a method for synchronization of a receiver to a transmitter which periodically transmits a sequence which is known in the receiver, a subset of possible synchronization times is determined in a...
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7486658 |
Method and system for media synchronization in QoS-enabled wireless networks
A method and system directed to negotiating and triggering media stream synchronization at the link layer in a QoS-enabled 802.11 WLAN, or other wireless, network. In one implementation, the...
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7486657 |
Radio controlled clock and method for retrieving time information from time signals
Time information is retrieved from time signals transmitted by a transmitter and received by a receiver. The retrieval relies on the examination of at least one time portion ( 86, 87, 88 ) within a...
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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...
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7486656 |
Method and system for a mobile unit to synchronize with base station
The present invention is related to a method and apparatus for a mobile unit to synchronize with the base station in WCDMA system. First, the mobile unit receives the signal transmitted from the...
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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...
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7480274 |
Data forwarding controller communication terminal apparatus, data communication system and method, and computer program
An apparatus and method that being capable of implementing uninterrupted communication during performing a handover process by a mobile node are provided. A mobile node transmits a handover start...
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7480282 |
Methods and apparatus for controlling ethernet packet transfers between clock domains
A transport circuit is described for generating enable signals in different independent clock domains enabling data transfers across the clock domains. The transport circuit is used, for example,...
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7480515 |
Synchronization of media access control (MAC) superframes
A device and method for of synchronizing a MAC superframe of a wireless device is disclosed. The wireless device can be located within a chain of a plurality of other wireless devices. The method...
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7474651 |
Radio wave correction clock
The code extraction unit extracts time information from a time signal. The block determination unit determines whether the extracted time information is correct by each kind of the time...
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7474648 |
Filtering multipath propagation delay values for use in a mobile communications system
A time slot boundary of an unknown cell in a telecommunications system is identified by correlating a received signal with a known code over a range of delay values for each of one or more time...
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7474637 |
Signal supply apparatus and method for public and private mobile communication system
A signal supply apparatus for a public and private mobile communication system. The apparatus has Internet protocol base transceiver subsystems, and a private base station controller that controls...
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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...
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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...
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7466683 |
Synchronization method in a cellular telecommunication network, hand-over method, corresponding terminal and base station
In a cellular communication network, first and second base stations have first and second cells that at least partially overlap in a common geographic zone. In a first synchronization step, a...
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7463618 |
Frame synchronization in a universal mobile telephone system receiver
A Universal Mobile Telephone System (UMTS) receiver performs slot synchronization using a received primary synchronization channel (PSCH). Subsequent to completion of slot synchronization, the UMTS...
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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...
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7460561 |
Delay compensation
In a discrete tone system, a base station receives a transmission burst from a remote unit being installed that includes delay compensation pilot tones that are uniformly spread throughout the...
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7457320 |
Synchronization using multicasting
A process to synchronize information transmitted from an information provider to a plurality of network elements is provided. The process determines a temporal difference between related network...
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7457321 |
Method for requesting and granting a shorter slot cycle in a wireless network
The present invention supports a message protocol on a wireless communication network to setup a shortened slot cycle operation for a mobile station. During wireless, packet-based communication, a...
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7453838 |
Method for operating a mobile radio network
A method of operating a mobile wireless network is provided, in which, when there is a relocation, the connection may be continued essentially directly from the latest state before the relocation....
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7453863 |
Cell searching apparatus and method in asynchronous mobile communication system
A cell searching apparatus and method in an asynchronous mobile communication system allocates an adjacent SCG to each base station according to adjacent degrees. When a mobile terminal is powered...
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7450944 |
Method and apparatus for base station synchronization
An apparatus and method for monitoring ( 310 ) at least one factor relating to a wireless communication system ( 100 ) is provided such that a synchronization signal is sent ( 320 ) to at least one...
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7450909 |
Apparatus and method for signal transmission and reception using downlink channel information in a sleep mode in a BWA communication system
An apparatus and method for transmitting and receiving a signal according to a change of downlink channel information by a mobile station in a broadband wireless access communication system. The...
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7450541 |
Access channel with constrained arrival times
Systems, methods and apparatus for configuring and accessing a random access channel in a CDMA communication system are disclosed. The number of users supported by a random access channel can be...
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7450974 |
Peer-to-peer communication in a radio network
A mobile radio network comprises a plurality of communication points, each of which are capable of communicating with any other communication point. Each communication point has a proximity sensor,...
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7450543 |
Methods and apparatus for wireless network connectivity
Methods and apparatus which allow a wireless terminal ( 302 ) to simultaneously maintain connections with multiple base stations ( 304, 306 ) are described. Each wireless terminal ( 302 ) is...
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RE40568 |
Synchronization symbol structure using OFDM based transmission method
The present invention proposes a method for generating synchronization bursts for OFDM transmission systems. The symbols of a predefined symbol sequence are mapped according to a predefined mapping...
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7447179 |
Methods for synchronizing in a wide band code division multiple access communication system
The invention discloses a method that implements synchronization for a WCDMA system. The method introduces a globe synchronization time to the WCDMA system as a reference time for signal...
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7447180 |
Wireless media access method
The present invention is a wireless media access method on a wireless network synchronized by a synchronizing signal broadcasted from a coordinator. In the method, priority is assigned to a...
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7447172 |
Media synchronizing system and service providing method for using the same
The invention provides a media synchronizing system capable of achieving various kinds of services synchronized with delivery of media to users. A synchronization data decoding unit 114 makes a...
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7437161 |
Method of fast data transmission of mobile stations via the same base station
In the method of packet transmission, data packet fragments received from a first mobile station are sent to a second mobile station without assembling and re-fragmenting the received data packet...
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7436813 |
Method and system for acquiring time synchronization between base stations in a broadband wireless access communication system
Method and system by which a base station without a Global Positioning System (GPS) receiver acquires time synchronization in a Broadband Wireless Access (BWA) communication system. The method...
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7436166 |
Direct digital synthesizer producing a signal representing an amplitude of a sine wave
The invention is directed to a digital phase detector that comprises a splitter and phase shifter to receive a signal of a device under test and produce a first signal that is substantially...
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7433321 |
Method and apparatus for time-aligning transmissions from multiple base stations in a CDMA communication system
Schemes to time-align transmissions from multiple base stations to a terminal. To achieve time-alignment, differences between the arrival times of transmissions from the base stations, as observed...
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7433395 |
Reliable multicarrier communication in the presence of timing phase error
A method, system and apparatus for reliable multicarrier communication in the presence of timing phase error is disclosed. Phase noise due to a sampling-time phase mismatch between a transmitter...
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7433347 |
Broadcast superframe with variable reuse and interference levels for a radio communications system
A method and apparatus are provided to enhance the efficiency of reuse of a broadcast channel. In one embodiment, the invention includes sending a first burst of a broadcast channel from a...
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7433348 |
Time division multiplexing protocol for wireless networks
A multi-node time division multiplexing (TDM) system is disclosed. The improved method and apparatus utilizes an asynchronous synchronization packet (ASP) to synchronize the timing in all the nodes...
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