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8446884 Dual-mode communication devices, methods and systems  
Dual-mode communication devices, methods, and systems are provided. Embodiments of the present invention include devices, method, and systems enabling communication in a spread-spectrum...
8446892 Channel structures for a quasi-orthogonal multiple-access communication system  
A channel structure has at least two channel sets. Each channel set contains multiple channels and is associated with a specific mapping of the channels to the system resources available for data...
8442092 Creation and use of unique hopping sequences in a frequency-hopping spread spectrum (FHSS) wireless communications network  
A method for generating and using frequency-hopping sequences in frequency-hopping spread spectrum (FHSS) networks, such that no additional network overhead is required to convey a device's hopping...
8437379 Mobile station apparatus, base station apparatus, and communication control method for radio communication system  
Frequency hopping is appropriately applied even to a communication format involving a small number of minimum hopping units in one transmission unit according to various conditions, thereby...
8437416 Coordinated cyclic shift and sequence hopping for Zadoff-Chu, modified Zadoff-Chu, and block-wise spreading sequences  
A reference signal cyclic shift (CS) is quantized as a combination of a cell specific CS with an outcome of a pseudo-random hopping, and an indication of the cell specific CS is broadcast in the...
8432950 Radio control transmitter and method for communication in the same  
A maneuvering signal for controlling a radio-controlled object is transmitted using 2.4 GHz band frequency hopping techniques. In a trainer mode, an instructor's radio control transmitter is...
8432979 Coordinated cyclic shift and sequence hopping for Zadoff-Chu, modified Zadoff-Chu, and block-wise spreading sequences  
A cyclic shift of a reference signal is quantized as a combination of a cell specific cyclic shift with an outcome of a pseudo-random hopping, and an indication of the cell specific cyclic shift is...
8428099 Wireless communication system and frequency hopping method therefor, and base station and mobile station  
In a wireless communication system, a control unit (17) of a base station (1) sets a frequency hopping cycle longer than a predetermined value during a certain measurement interval in which an...
8428101 System and method for interference triggered frequency hopping  
Systems and methods of interference-triggered frequency hopping in a wireless communication system. A master is provided in the wireless communication system in wireless communication with slave...
8428100 System and methods for securing data transmissions over wireless networks  
A method of communicating over a network for wireless communications is disclosed. The method transmits encoded data from a source device to a destination device via a single path up through a...
8417187 Methods and apparatus for wireless device coexistence  
Methods and apparatus for compensating for the effects of interference between multiple wireless communication apparatus. In one embodiment, the method comprises providing a first wireless...
8416835 Frequency hopping pattern and method for transmitting uplink signals using the same  
A frequency hopping pattern and a method for transmitting uplink signals using the same are disclosed. A frequency hopping pattern is defined by combination of subband hopping, which is performed...
8411660 Apparatus and method for performing resource allocation and communication in a wireless communication system, and system using same  
A method for allocating resources in a wireless communication system using Frequency Division Multiple Access (FDMA). The method includes dividing entire frequency resources into sub-bands each...
8407327 Network management using visual identifiers  
This disclosure relates to network management using visual identifiers. In one of many possible embodiments, a network management system includes a visual identifier device located visibly...
8406272 Frequency hopping method for localization system  
A frequency hopping method for localization system is aimed to overcome the degradation of location accuracy due to radio interference if there are some other radio devices using the same radio...
8401051 Base station apparatus that communicates with mobile station apparatuses, mobile station apparatus that communicates with a base station and transmission band setting method performed in a base station  
A base station effectively transmits BCH data and includes an encoding unit for encoding the BCH data; a modulation unit for modulating the BCH data after being encoded; a transmission band setting...
8391379 OFDM signal spectrum shaping device and method for OFDM signal spectrum shaping  
An orthogonal frequency division multiplexing (OFDM) signal spectrum shaping device comprises an input interface configured to receive an input signal, a modulation portion coupled to the input...
8391245 Terminal device, base station device, and frequency resource allocation method  
It is possible to realize reduction of inter-cell interference by an adaptive FFR with a low delay. A terminal (200) includes: an interference condition detection unit (209) which detects an...
8390449 Intrusion detection system and sensor device thereof  
A intrusion detection system includes a first sensor device having a first transmission circuit unit that transmits a modulation wave of a first transmission spectrum diffusion signal to a first...
8385383 Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system  
A receiving system and a method of processing broadcast signal. The receiving system includes a signal receiving unit, an equalizer, a turbo decoder, a demultiplexer, first and second error...
8374213 Apparatus and method for transmission of sounding reference signal in uplink wireless communication systems with multiple antennas and sounding reference signal hopping  
A sounding reference signal transmission method which is efficient in an uplink wireless telecommunications system using a multiple antenna technique and sounding reference signal hopping. A...
8374212 Frequency hopping in license-exempt/shared bands  
RRC signaling is used to configure a user device for N secondary cells SCells on license-exempt channels wi in a frequency hopping channel set W={wi} where i=1, 2, . . . N. Then cross-carrier...
8374258 Transmission device, reception device, communication system, transmission method and program  
A transmission device of the present invention includes a MAC that generates data I transmitted by a band group M and generates data J transmitted by a band group N; signal switching parts that...
8374214 Frequency-hopping scheme  
A method comprises generating, by logic, a random number. The method also comprises determining a next frequency in said sequence using the random number and one or more of a minimum separation, a...
8374211 Method for data transmission and communication system  
A method for data transmission is provided for determining movement speed and/or location of a mobile communication device; selecting, based on the movement speed and/or the location of the mobile...
8374265 Signal processing circuit, signal processing method and recording medium  
A signal processing circuit, a signal processing method and a recording medium suppressing occurrence of unnecessary waves are provided. A timing generation means which generates timing to select a...
8363693 Adaptive frequency hopping in time-slotted based wireless network  
In a wireless network system, the nodes share a frequency hopping pattern. A method comprises providing a channel list table which includes, for each transmitting node, one or more channel lists,...
8363694 Delay-induced scattering with phase randomization and partitioned frequency hopping  
A method includes partitioning a set of hopping carrier frequencies into disjoint sets including a first set and a second set such that a frequency correlation between a first hopping carrier...
8345726 Architecture for receiving data from a multiplicity of frequency hopping emitters  
A method of receiving a plurality of simultaneously transmitted data streams is disclosed. Each data stream is divided into portions and transmitted at predetermined frequencies and times according...
8340154 Radio transmission device and radio transmission method  
Disclosed are a radio transmission device and a radio transmission method which can reduce a processing amount or a memory amount while maintaining the randomizing effect of other cell...
8335244 Data transmission method, network device, and communication system  
A data transmission method, a network device, and a communication system are provided. The method includes: acquiring a frequency hopping time period and frequency hopping information when reliable...
8320835 Method and device for determining channel feedback information in LTE system  
A method and a device for determining channel feedback information in a Long Term Evolution (LTE) system are provided. The method includes: obtaining an (N−1)th layer interference-plus-noise m...
8320474 Digital frequency hopping in multi-band OFDM  
A transmitter configured for generating a frequency-hopped OFDM signal comprises a digital Fourier transform circuit, a variable bandpass filter, and a frequency-hopping controller. The digital...
8311075 Method for decoding digital data in a frequency hopping communication system  
An improved method is provided for decoding data in a frequency hopping communications system. The method includes: monitoring transition points between data bits in a demodulated data stream,...
8311076 Timeslot hopping for transmitting call data  
The invention relates to a method for transmitting call data in a digital wireless communication network, said call data being transmitted over at least one radio frequency channel in a sequence of...
8311209 Peer to peer wireless communication conflict resolution  
In accordance with a method for wireless communication, in a coexistence system comprising a plurality of different wireless interface devices within a single integrated circuit, wherein each of...
8300715 Method and apparatus for reuse of WAN infrastructure resources in a wireless peer-to-peer (P2P) network  
To make efficient use of a frequency spectrum, a peer-to-peer network shares a wide area network (WAN) frequency spectrum as well as a time-frequency structure of the WAN, where the time-frequency...
8300673 System, method and apparatus for managing communication in a public safety communication network  
A method, system and apparatus for managing communication in a Public Safety Communication Network (PSCN). The PSCN includes a plurality of Mobile Stations (MSs) (110, 115, 120) and a master...
8290020 Frequency selection method to mitigate in-band interference from inter-modulation spur of the collocated radio transmitter  
A radio transmitter select its operating frequency based on the frequency characteristics of a collocated receiver and clock harmonics. The radio transmitter can dynamically change its operating...
8290019 Radio controlled model apparatus, controller for radio controlled model apparatus, and frequency hopping pattern selection method  
A technique is provided that can avoid radio zone interference in a radio controlled model apparatus which employs a frequency hopping system in the spread spectrum radio techniques. In a...
8289837 Methods and apparatuses for multimode Bluetooth and WLAN operation concurrently  
A wideband telecommunications device with narrow band support. The device may be a receiver having a wireless interface configured to receive combined first and second signals, the first signal...
8279968 Method of transmitting data in a communication system  
A method of encoding a signal to be transmitted from a terminal via a channel in a communication network includes receiving the signal at the terminal; determining characteristics of the channel;...
8274921 System and method for communicating data using efficient fast fourier transform (FFT) for orthogonal frequency division multiplexing (OFDM)  
A system communicates data and includes a transmitter for transmitting a communications signal that carries communications data. It includes an efficient modulator for approximating the frequencies...
8275017 Method of packet transmission and reception of quadrature amplitude modulated signals in a frequency hopping radio system  
The invention achieves carrier and clock frequency synchronization in QAD packet communications systems. The invention involves using frequency-hopping radio systems that use pseudo-noise data...
8271058 Communicating over a wireless network  
A first device communicates with a wireless network that includes nodes that are active for predefined activation times and that are at least partially dormant when not active. The communication...
8270911 Communications methods, methods of forming a reader, wireless communications readers, and wireless communications systems  
Communications methods, methods of forming a reader, wireless communications readers, and wireless communications systems are described in some embodiments. In one embodiment, a communications...
8265119 Method and apparatus for frequency assignment in a frequency hopping mode of a wireless communication system  
A frequency allocation method and apparatus using a mirroring-assisted frequency hopping pattern is provided for retransmission in a wireless communication system operating in frequency hopping...
8265647 Communication terminal and device  
The present invention enables assignment to a terminal a sub-band having satisfactory communication quality. A reference-signal reception unit receives from a terminal a reference signal spreading...
8259775 System, apparatus and method for managing message communications in systems employing frequency hopping  
Systems, apparatuses and methods for managing message communications in systems employing frequency hopping. One method according to the invention involves transmitting a message via a frequency of...
8254922 Zero delay frequency switching with dynamic frequency hopping for cognitive radio based dynamic spectrum access network systems  
This invention relates to cognitive radio based wireless communications of dynamic spectrum access networks, and in particular to a method of addressing zero-delay frequency switching for cognitive...