Quotables
"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 7978680 | System and method for synchronizing clocks in a wireless local area network A clock control system for a reference network device, the clock control system including a reference clock module, a receiver module, and a clock adjustment module. The reference clock module generates reference clock signals. The receiver module receives and deter... | 07/12/2011 |
| 7974263 | Apparatus and method for transmitting/receiving time information in mobile communication system Provided is an apparatus and method for transmitting/receiving time information in a mobile communication system. In a method for calculating a current time in the mobile communication system, time information is received from a base station. Date information and pa... | 07/05/2011 |
| 7974264 | Method and a system for determining the spatial location of nodes in a wireless network A method determines the propagation delays between nodes in a network, the network including a plurality of nodes. The method includes recording by each one of the nodes the transmission time of a beacon-signal respective of the one of the nodes and the reception ti... | 07/05/2011 |
| 7974262 | Sample acquisition timing adjustment A telecommunications network participant, comprising means for digitising, as a series of samples, a received signal containing a succession of symbols, means for measuring time misalignment between the symbols and the samples and means for applying a fractional del... | 07/05/2011 |
| 7974261 | Basestation methods and apparatus for supporting timing synchronization 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 establish a timing synchronized wireless link with a terrestrial base stat... | 07/05/2011 |
| 7969963 | Method for estimating relative clock frequency offsets to improve radio ranging errors A method and system improves two-way radio ranging accuracy by estimating a relative clock frequency offset between a first clock X of a first transceiver and a second clock Y a second transceiver. The first transceiver transmits a first packet at time t0 | 06/28/2011 |
| 7969964 | Cell search method, forward link frame transmission method, apparatus using the same and forward link frame structure In a cellular system in which OFDM is used, a forward link synchronization channel, a common pilot channel structure, an initial cell searching method of a mobile station, and an adjacent cell searching method for handover are required. A method of transmitti... | 06/28/2011 |
| 7969962 | Fine time tracking with improved resolution The present invention relates to compensation method and circuit for compensating time drifts in a receiver suited for multi-path environment. The time drifts are separated into a first component common to groups of paths belonging to the same radio link, for exampl... | 06/28/2011 |
| 7961708 | Coding methods of communicating identifiers in peer discovery in a peer-to-peer network Systems and methodologies are described that facilitate identifying peers based upon encoded signals during peer discovery in a peer to peer network. For example, direct signaling that partitions a time-frequency resource into a number of segments can be utilized to... | 06/14/2011 |
| 7961709 | Secondary synchronization sequences for cell group detection in a cellular communications system Timing parameters and an identity of a particular one of a number of cell groups are indicated in a signal transmitted in a cellular communication system having a radio frame in a physical layer, the radio frame comprising a number of time slots. In a known one of t... | 06/14/2011 |
| 7961707 | Method and apparatus for managing neighbor cells in mobile communication terminal A method and apparatus for managing neighbor cells of a mobile communication terminal is provided. In the method, when a neighbor cell list is received from a network, neighbor cells are scanned to select a number of neighbor cells having high received signal streng... | 06/14/2011 |
| 7953066 | Method for synchronizing radio communication system divided into radio cells Data is transmitted via time division multiple access methods and every radio cell includes one base station each for the radio coverage of a plurality of mobile stations assigned to the radio cell. The base station receives, in addition to mobile station signals of... | 05/31/2011 |
| 7953065 | Point to multipoint device for communication with a plurality of telecommunications units A point to multipoint device for use in a wireless network to provide wireless communication with a plurality of telecommunications units is described, for communication from the point to multipoint device to the telecommunications units, the point to multipoint dev... | 05/31/2011 |
| 7948963 | Satellite modem with a dynamic bandwidth The present invention provides for a method that could be advantageously implemented in a satellite local area network (LAN) in which an average number of sites share a TDMA link. The invention provides for both a dedicated bandwidth to all the sites and a shared ba... | 05/24/2011 |
| 7948964 | Synchronizing a radio frequency transmit message with an asynchronous radio frequency receive message The present invention relates to synchronization circuitry that is used to synchronize an asynchronous received RF message with a transmitted RF message. In one embodiment of the present invention, the synchronization circuitry includes at least one counter, which i... | 05/24/2011 |
| 7944907 | Temporal alignment of codec data with wireless local area network RF slots A wireless local area network (WLAN) transceiving integrated circuit services voice communications in a WLAN with at least one other WLAN device. The WLAN transceiving integrated circuit includes a WLAN interface, an input buffer, a transcoder, and a processor. The ... | 05/17/2011 |
| 7940743 | Method and device for the synchronization of radio stations and a time-synchronous radio bus system A method and device for synchronizing a transmitter and a receiver with each other over a radio interface. A transmission signal is produced with a signal source in the transmitter and is transmitted via the radio interface. A corresponding receiver signal is receiv... | 05/10/2011 |
| 7933256 | Coherent single antenna interference cancellation for GSM/GPRS/EDGE A method for midamble estimation comprises the steps of receiving a burst of symbols, selecting a subset of the burst of symbols that comprises a first midamble symbol, calculating, for each symbol in the subset, a corresponding midamble estimation error, and determ... | 04/26/2011 |
| 7924808 | Method of transmitting synchronization signal in wireless communication system A method of transmitting a synchronization signal includes generating a sequence P(k) for a synchronization signal from a Zadoff-Chu (ZC) sequence having the odd numbered length N, the sequence P(k) having the even numbered length N−I, mapping the sequence P(k) to... | 04/12/2011 |
| 7924807 | System and method for synchronizing communicating entities in a decentralized network A method for synchronizing communicating entities in a decentralized network. The method begins with a recipient entity receiving data comprising a first timestamp and a first distance. The first timestamp being the time the first data was broadcast; the first dista... | 04/12/2011 |
| 7924806 | Time synchronization system In a time synchronization system between wireless nodes, a first wireless node broadcasts a neighbor search packet, adjacent wireless nodes receive the neighbor search packet and then returns an adjacent response packet, the first wireless node selects the mediating... | 04/12/2011 |
| 7920545 | Communication apparatus, control method for controlling communication apparatus, program for controlling communication apparatus, and storage medium storing such program A communication apparatus determines a hibernation period on the basis of the amount of an offset in beacon period start timing among multiple beacon groups. The communication apparatus is placed in a hibernation status in accordance with the determined hibernation ... | 04/05/2011 |
| 7920544 | Method and apparatus for enhancing signal-to-noise ratio of position location measurements A method and apparatus for generating and use of a position location reference signal that allows a receiver to receive position location signals from relatively weak signal generators when in the presence of a strong signal source. The position location reference s... | 04/05/2011 |
| 7916714 | Method of performing cell search in wireless communication system A method of performing cell search includes receiving a primary synchronization signal (PSS) comprising a primary synchronization code (PSC), and receiving a secondary synchronization signal (SSS) comprising a first secondary synchronization code (SSC) and a second ... | 03/29/2011 |
| 7912034 | Method and apparatus for utilizing synchronization information A communication method and system are provided that include providing synchronization information about a co-sited downlink carrier. This information may be transmitted to from a base station to a mobile device. The mobile device may receive this information and per... | 03/22/2011 |
| 7912033 | Device synchronization on a communication network A method to enable scheduling communications activities for an electronic communication device configured to communicate across a communication network is provided. The method comprises the steps of scheduling a communication activity during a scheduling window such... | 03/22/2011 |
| 7907593 | Staggered pilot transmission for channel estimation and time tracking To allow a receiving entity to derive a longer channel estimate while limiting overhead, a transmitting entity transmits a pilot on different groups of subbands in different time intervals. N subbands in the system are arranged into M non-overlapping groups. Each gr... | 03/15/2011 |
| 7907591 | Synchronization detecting circuit and multimode wireless communication apparatus Multimode wireless communication apparatus supports plural wireless communication methods and includes synchronization detecting part. Digital signals output from first A/D part and second A/D part are combined by synchronization detecting part. Synchronization dete... | 03/15/2011 |
| 7907592 | Method of performing cell search in wireless communication system A method of performing cell search includes receiving a primary synchronization signal (PSS) comprising a primary synchronization code (PSC), acquiring an unique identity from the PSS, receiving a secondary synchronization signal (SSS) which is associated with a cel... | 03/15/2011 |
| 7903633 | 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 at the terminal, are determined and provided to the system and used t... | 03/08/2011 |
| 7899028 | Method and system for synchronizing data transmissions in IP-based networks A method and system for synchronizing data transmissions in a wireless communications network are disclosed. As one example, a method for synchronizing data transmissions in a wireless communications network is disclosed. The method includes the steps of receiving f... | 03/01/2011 |
| 7899029 | Mobile communication system, user equipment in mobile communication system, control program thereof, and synchronization establishment determination method in mobile communication system Even when transmitted waves of multiple systems become approximately out of phase while diversity transmission is performed in a W-CDMA wireless system, synchronization establishment determination is more adequately performed. In a W-CDMA wireless system 1, e... | 03/01/2011 |
| 7899027 | Automatic route configuration in hierarchical wireless mesh networks Methods, apparatuses and systems directed to routing configuration in a hierarchical wireless mesh network. In one implementation, the present invention uses neighbor messages to allow routing nodes to discover one another and configure a hierarchical routing config... | 03/01/2011 |
| 7894417 | Signal arrangement for multi-bandwidth OFDM system A pilot structure, a method, and a receiver for multi-carrier cellular communications communication system include a network element and a user equipment. The network element is configured to transmit a pilot sequence. The user equipment is configured to detect a pi... | 02/22/2011 |
| 7889710 | Wireless mesh network with locally activated fast active scheduling of wireless messages A wireless mesh network is formed by nodes having a regular active schedule for transmitting and receiving messages, and a fast active schedule mode that is locally activated when a demand exists for transmission of a larger number of messages. As each node transmit... | 02/15/2011 |
| 7885250 | Method and apparatus for synchronization over 802.3AF A method and apparatus for synchronizing timing of Access Points (APs) and/or Synchronization Units (SUs) includes (a) arranging a cable having at least four pairs of twisted wires connected between two or more fixed APs and/or SUs in a network; (b) assigning a firs... | 02/08/2011 |
| 7885249 | Communication system and method The present invention relates to a communication system and a communication method for simply and quickly starting communication. A cellular phone 52 is loaded with a non-contact IC card that communicates with a reader/writer of a personal computer 51 ... | 02/08/2011 |
| 7885251 | Real-time wireless sensor network protocol having linear configuration A network configuration method of a sensor network configured to collect sensed data from a plurality of sensor nodes comprising: arranging linearly a path of respective node so as to enable all sensor nodes except for a sink node and a terminal node to have respect... | 02/08/2011 |
| 7876741 | Method of acquiring uplink synchronization for mobile WiMax system analyzer Disclosed herein is a method of acquiring Uplink (UL) synchronization for a mobile WiMax system analyzer. When a DL sub-frame is received, the method is performed on a Portable Subscriber Station (PSS) having a test mode function of creating a UL sub-frame through t... | 01/25/2011 |
| 7876740 | Method and system for synchronization of link layer windows A method and system for synchronization of link layer windows in a wireless communications system is disclosed. At a transmitter in the wireless communications system, the transmitter transmits a plurality of frames in a transmitter's link layer window, wherein each... | 01/25/2011 |
