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Multiplex Communications > Communication Over Free Space > Combining Or Distributing Information Via Time Channels > Synchronization

Synchronization

Synchronization patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

04/24/14 - 20140112330 - Short and long training fields
A method includes receiving a first plurality of symbols comprising complex portions. The method further includes applying conjugate symmetry to the first plurality of symbols, producing a second plurality of symbols comprising no complex portions. The method further includes transforming the second plurality of symbols using an inverse fast Fourier...

04/24/14 - 20140112331 - Avoidance of network interference between thermostats in a plurality of proximate wireless mesh networks
An apparatus and/or method is described providing for expansion of the number of nodes in an HVAC thermostat control network utilizing a wireless mesh network beyond the limits of a single mesh network by utilizing a synchronization signal to offset periods of high wireless mesh network traffic....

04/24/14 - 20140112332 - Method and apparatus for synchronization for device-to-device communication
A method and an apparatus for synchronization for a device-to-device communication are disclosed. The method includes: instantly adjusting a synchronization phase value according to a time point when a synchronization signal is received, as soon as a device receives the synchronization signal from an adjacent device in an unconnected state;...

04/17/14 - 20140105205 - Dynamically self-organizing ad-hoc tdma communications synchronization method
A method and system for TDMA synchronization including providing an ad-hoc TDMA mobile communication network, the communication network includes a plurality of mobile units, transmitting an information packet from a mobile unit of the plurality of mobile units to each remaining one of the plurality of mobile units. The method...

04/17/14 - 20140105206 - Circuit and method for operating a node in a radio network
A circuit and a method for operating a node in a radio network, whereby nodes of the same radio network have a common network ID and each node individually is assigned a node ID, wherein during the reception of a current packet by a receiving circuit of the node, an...

04/10/14 - 20140098807 - 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 communicate an identifier within a peer discovery interval; thus, a...

04/03/14 - 20140092894 - Method and apparatus to derive system timing at a wireless base station
Method and Apparatus to Derive System Timing at a Wireless Base transceiver Station (BTS). The present invention relates to wireless communication networks and, more particularly, to timing information in wireless communication networks. A method for providing reference timing to a BTS, the method comprising of the BTS sending a message...

04/03/14 - 20140092895 - Time synchronization in a communication network
A first and a second base station, and respective methods therein are provided for enabling communication between the first base station and the second base station, wherein one of the base stations enables the other base station to obtain synchronization information. One of the base stations has information of a...

03/27/14 - 20140086233 - Synchronization requests to reduce power consumption
An electronic device is described. In order to facilitate the communication of synchronization information with another electronic device in a wireless network, the electronic device provides a request for the synchronization information to the other electronic device at a time other than a predefined synchronization transmission time of the other...

03/27/14 - 20140086234 - Synchronization device and synchronization method
A first synchronization signal for synchronization with a synchronization signal source is acquired from a first signal source. A first signal synchronized with the synchronization signal source is generated based on the first synchronization signal. A second synchronization signal for synchronization with the synchronization signal source is acquired from a...

03/20/14 - 20140079051 - Systems and methods for networked wearable medical sensors
A medical sensor system comprises a gateway comprising a wideband receiver and a narrow band transmitter, the each gateway configured to receive a wideband positioning frame using the wideband receiver from one or more wearable sensors and to transmit acknowledgement frames using the narrow band transmitter that include timing and...

03/20/14 - 20140079052 - Mobile station, base station, communication system, and communication method
A mobile station which is provided with a switching unit which switches whether a mobile station should acquire, from a base station, a timing correction amount of an uplink transmission timing determined based on a downlink reception timing, and an uplink transmission timing determining unit which, when not acquiring the...

03/20/14 - 20140079053 - Selective multi-modal transmission alteration
System and methods for an interface alteration device placed between a first segment and a second segment of a communication line of a vehicle. The interface alteration device identifies portions of an incoming data stream that are to be transmitted to a second interface alteration device and causes the identified...

03/13/14 - 20140071976 - Apparatus and method for enabling communication on a supplemental channel in a gsm wireless communication network
An apparatus and method are disclosed for utilizing a supplemental downlink channel in a GSM network. The supplemental downlink channel may be referred to as a GSM Prime channel. The GSM Prime channel utilizes idle frames that are otherwise unused in the GSM network to carry control and data information....

03/06/14 - 20140064263 - Device discovery for device-to-device communication
Embodiments of the claimed subject matter provide a method and apparatus for device discovery in device-to-device (D2D) communication. One embodiment of the method includes generating first information indicative of a first synchronization signal in response to a request from a first user equipment to be authenticated for D2D communication with...

03/06/14 - 20140064264 - Wireless communication device
A WiGig wireless device partially performs a masking processing on a preamble of a transmission signal frame and generates a repetition pattern of the same pulse capable of being used in a correlation detection of a sensor. That is, a repetition pattern of a Golay code is output by intermittently...

03/06/14 - 20140064265 - Minimizing the impact of self synchronization on wireless communication devices
A method for self synchronization by a base station is described. Network information is sent to a wireless communication device. The network information indicates a first time period. The first time period is a period of silence by the base station. Synchronization signals are monitored during the first time period....

02/20/14 - 20140050213 - Methods and apparatus for timing synchronization during a wireless uplink random access procedure
Aspects generally relate to wireless communications and, more particularly, to methods, systems and apparatus for timing synchronization during a wireless uplink random access procedure. For example, certain aspects relate to a technique for receiving first timing advance information associated with uplink wireless communications with a base station (BS), transmitting a...

02/13/14 - 20140044119 - Method and system for multiplexing low frequency clocks to reduce interface count
Embodiments of the present disclosure relate to a method and system for multiplexing the low frequency signals from at least one clock transmitter to at least one clock receiver to reduce interface count. The low frequency signals are multiplexed in a CLKMUX logic using selection signals. The selection signals are...

02/13/14 - 20140044120 - Method of performing uplink synchronization in wireless communication system
A method of performing uplink synchronization in a wireless communication system includes transmitting a random access preamble which is randomly selected from a set of random access preambles, receiving a random access response, the random access response comprising a random access preamble identifier corresponding to the random access preamble and...

02/06/14 - 20140036903 - Radio over ethernet
A method of wireless communication utilizing a communication system that includes a baseband module that is in communication with a radio module via an Ethernet communication link. The method of wireless communication can include the synchronization of the internal reference clocks of the baseband module and radio module. A hierarchical...

02/06/14 - 20140036904 - Transmitter circuit, interface circuit, information terminal, interface method, and recording medium
A signal received by an antenna (60) is inputted to an encoder (201) and to a discriminator (203). The discriminator (203) measures a length of a non-communication interval and outputs flag setting information when the length of the non-communication interval is greater than or equal to a predetermined interval length....

01/30/14 - 20140029602 - Sequence generating method for efficient detection and method for transmitting and receiving signals using the same
A sequence generation method for allowing a reception end to effectively detect a sequence used for a specific channel of an OFDM communication system, and a signal transmission/reception method using the same are disclosed. During the sequence generation, an index is selected from among the index set having the conjugate...

01/30/14 - 20140029603 - Method and device for time-synchronization in ad hoc network
A method and a device perform time-synchronization with an ad hoc network configured by a plurality of nodes. The method includes: transmitting a time-synchronization request frame including an address of one of the plurality of nodes which belong to the ad hoc network to one of the plurality of nodes...

01/30/14 - 20140029604 - Communicating time information in a network to enable synchronization
A first node in a network receives a timing packet containing time information, where the timing packet is originated by a time server. The first node then updates the time information in the timing packet to reflect a delay associated with communicating the timing packet over a network link. The...

01/23/14 - 20140023063 - Transfer of synchronization in a hybrid global navigation satellite packet network system
Networks, network devices and methods of synchronization using transfer of synchronization packets are provided. Some network devices are configured to use either a timing reference extracted based on GPS signals or an imported timing reference, as an operative time reference. A network device from which to import the time reference...

01/16/14 - 20140016632 - Communication apparatus and automatic gain control method
Provided is a communication apparatus including a first communication unit for performing communication using a carrier having a first frequency, a second communication unit having a plurality of antennas, for performing communication using a carrier having a second frequency, a first communication processing unit for processing a signal received by...

01/16/14 - 20140016633 - Techniques for communicating data between a host device and an intermittently attached mobile device
A relatively simple protocol for transferring files and other data between endpoints. The endpoints are a host electronic device and a client electronic device. The connection between the end points can utilize a reliable stream transport connection. Communication is accomplished utilizing packets that have a header and a body with...

01/09/14 - 20140010227 - Receiver design for geo-location and/or phase coherent processing
A receiver system using commercially available super high-speed data converters that are able to directly digitize at multiple GHz sampling rates with sufficient accuracy to fit many radio applications. Unlike conventional receivers, no down converters or mixing stages are required. Instead it uses a bank of RF filters from which...

01/02/14 - 20140003416 - Method and apparatus for acquiring uplink and downlink synchronization between a plurality of base stations and a terminal in a cooperative communication network
There is provided a method for acquiring and modifying uplink and downlink synchronization, by which, if there is a possibility of ISI occurring due to incorrect downlink synchronization of a terminal with a base station, the terminal receives a ranging response from the base station, modifies incorrect downlink synchronization, and...

01/02/14 - 20140003417 - Supporting coordinated universal time in lte
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives a CDMA system time from a SIB. The apparatus receives information indicating a number of leap seconds. The information may be received through provisioning information at boot up, a USD, or other means....

01/02/14 - 20140003418 - Systems and methods for synchronizing between an in-vivo device and a localization system
An in-vivo device may allocate a sensing window in a work cycle for sensing and processing localization signals to determine the location/orientation of the in-vivo device. The in-vivo device may use a timing unit to schedule transmission of data frames and the sensing of the localization signals relative to a...

01/02/14 - 20140003419 - Orthogonal reference signal permutation
A method for a wireless communication system is provided. The method includes analyzing a set of signal sources that are operably associated with a set of time domain windows. Then, the method periodically switches the association between the set of time domain windows and the set of signal sources in...

12/19/13 - 20130336307 - Terminal synchronization method and apparatus for use in wireless communication network
A terminal synchronization method and apparatus for use in a wireless communication system are provided. A synchronization method includes configuring, at the terminal, a synchronization signal reference time depending on whether a synchronization signal is received in an initial observation period as long as at least two frames, monitoring to...

12/12/13 - 20130329720 - Apparatus and method for wireless baseband processing
Apparatuses and methods for receiving and transmitting signals are provided. A baseband processor includes receiver circuitry including single carrier receiver circuitry for demodulating a received single carrier signal and multi-carrier receiver circuitry for demodulating a received multi-carrier signal. The single carrier receiver circuitry includes a first digital interpolator, and the...

12/12/13 - 20130329721 - Apparatus, method and computer program for determining a frequency offset
Embodiments relate to a concept for determining an estimate (17) of a frequency offset between a carrier frequency of a received signal (12) and a carrier frequency of a transmitted signal, comprising determining, based on the received signal (12), an estimate (13) of the carrier frequency of the received signal...

12/05/13 - 20130322426 - Timing synchronization of wireless networks
A single wireless slave node may be in a timing virtual network (TVN) with neighboring wireless slave nodes. The single wireless slave node may store information indicative of the identity, link propagation delay, and channel signature of each of its neighboring wireless slave nodes. The single wireless slave node may...

11/28/13 - 20130315226 - Time synchronisation in a single network
A method for synchronizing in time a plurality of transmitters (T1-T7) belonging to a single frequency network, the transmitters (T1-T7) being adapted to distribute a radio frequency signal over a territory, includes: identifying, for each transmitter of the plurality of transmitters (T1-T7), at least two transmitters (T1-T5; T6,T7) whose catchment...

11/21/13 - 20130308625 - Method and apparatus for performing synchronization in device-to-device network
A method and an apparatus for performing synchronization by a first device in a Device-to-Device (D2D) network are provided. The method includes detecting a synchronization signal from at least one second device during one period, determining a phase adjustment value depending on a number of synchronization signals, which have been...

11/21/13 - 20130308626 - Method and apparatus of implementing time synchronization
The present invention discloses a method of time synchronization and a base station system. The base station system includes a main unit, at least one radio unit, and a transmission medium adapted to transmit information between the main unit and the at least one radio unit. The base station system...

11/14/13 - 20130301633 - Method and system for synchronization of time-slotted barrage relay networks
Systems and methods are presented for establishing network-wide time synchronization in a time-slotted barrage relay network. In the first phase, nodes obtain coarse, slot-level time synchronization by estimating the time-of-arrival (TOA) of a message that rapidly floods the network via the barrage relay mechanism. In the second phase, fine time...

11/14/13 - 20130301634 - Timing synchronization for networks with radio links
Precision Timing Protocol (PTP) related functions for use in packet communications carried in part by a microwave communications link include setting of time of day values across the microwave link and providing transparent clock functions. The PTP functions may be used for synchronizing radio base stations in a cellular network....

11/14/13 - 20130301635 - Methods and apparatus for synchronizing clock signals in a wireless system
A system for verifying clock synchronization between master and slave network equipment is provided. The master includes a transmitter, first control logic, and a first processor. The slave includes a receiver, second control logic, and a second processor. The transmitter may send synchronization packets to the receiver. When a synchronization...

11/14/13 - 20130301636 - Minimal maintenance link to support synchronization
A method for use in a field unit operable in a wireless communication network. The method includes receiving an indication of a plurality of access identifiers from a base station. The field unit selects an access identifier from the plurality of access identifiers received from the base station. The selected...

11/07/13 - 20130294437 - Evolved packet core less direct mode communication system and communication attaching method thereof
An evolved packet core less direct-mode communication system and a communication attaching method thereof are provided. The evolved packet core less direct-mode communication system comprises a client direct-mode communication apparatus and a server direct-mode communication apparatus. The server direct-mode communication apparatus transmits a synchronization signal to the client direct-mode communication...

11/07/13 - 20130294438 - Synchronizing wireless local area network access points
In a wireless local area network, a first and second access point in which the RF coverage areas overlap are synchronized by positioning a monitor station within the overlap area. The monitor station receives beacon frames from both access points and records the arrival times. A manager in communication with...

10/31/13 - 20130287015 - 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 SSC, wherein the SSS includes a first SSS and a second SSS, the first...

10/24/13 - 20130279492 - Multicarrier packet synchronisation
One embodiment of the present invention provides a computationally efficient method to process a short training sequence in order to establish the presence of a valid packet on the medium and determine optimum sampling instance....

10/24/13 - 20130279493 - Method and apparatus for managing uplink time alignment
A method and apparatus of managing uplink time alignment in a wireless communication system is provided. A user equipment transmits a random access preamble to maintain an uplink time alignment to a base station and receives a random access response in response to the random access preamble from the base...

10/17/13 - 20130272294 - Methods and user equipments for providing information about a connection state
A method in a first user equipment (110) and a first user equipment (110) for providing information about at least one of a first and a second connection state are provided. Moreover, a corresponding method in a second user equipment (120) and a second user equipment (120) are provided. The...

10/10/13 - 20130266001 - Protocol synchronization for harq background
A method and apparatus according to the present invention addresses and/or prevents lost protocol synchronization in HARQ systems caused by ACK/NACK errors. One embodiment detects lost synchronization errors for NDI-based retransmission protocols and restores synchronization by sending an explicit RESET message. In response to the RESET message, the transmitter aborts...