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Class 370/343 - Combining or distributing information via frequency channels


Subclass of Class 370 - Multiplex communications
Definition: Subject matter wherein information signals are communicated
No. of patents: 643
Last issue date: 05/21/2013


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NumberTitleIssue Date
8446892Channel 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 transmission. Each channel set may be defined based on a channel tree ...
05/21/2013
8432884System and method for increased bandwidth efficiency within microwave backhaul of a telecommunication system
An apparatus for transmitting information in a wireless communication system includes a first interface for receiving a plurality of input data streams. Signal processing circuitry transmits and receives the plurality of input data streams on at least one frequency....
04/30/2013
8432883Base station apparatus and communication control method
A base station apparatus capable of communicating with user equipment terminals using an uplink shared channel includes a selection unit configured to select a user equipment terminal to which the base station apparatus allocates the shared channel among the user eq...
04/30/2013
8428040Reception apparatus and reception method for setting a format per divided band
A radio communication apparatus capable of alleviating a burden in setting a transmission format and suppressing increases in the scale of the apparatus. In this apparatus, space multiplexing adaptability detection section (108) detects space multiplexing tra...
04/23/2013
8422478Radio transmission device
To obtain maximum throughput in accordance with characteristics of a propagation path, a radio transmission device having a plurality of transmitting antennas (18a, 18b) for transmitting a transmission signal in units of sub-carriers by p...
04/16/2013
8422477Methods and apparatus for RF channel switching in a multi-frequency network
Methods and apparatus for RF channel switching in a multi-frequency network. In an aspect, a method includes identifying a local area operations infrastructure (LOI) in the multi-frequency network, generating a channel description message that associates at least on...
04/16/2013
8416758Reconfigurable radio frequency circuits and methods of receiving
A reconfigurable radio frequency circuit is configurable to a first mode when first and second radio frequency signals are within a first frequency band, and to a second mode for use when the first but not the second signal is in the first band. A first signal divid...
04/09/2013
8416757Radio transmission device
To obtain maximum throughput in accordance with characteristics of a propagation path, a radio transmission device having a plurality of transmitting antennas (18a, 18b) for transmitting a transmission signal in units of sub-carriers by p...
04/09/2013
8400996Communication method, and transmitting apparatus and receiving apparatus using that communication method
A transmission apparatus includes a plurality of antennas and a frame configurator that selects, in a first unit time either a first transmitting method which transmits a modulated signal from at least one of the plurality of antennas, or a second transmitting metho...
03/19/2013
8379618Precoded data receiver
Methods and apparatus are disclosed for applying successive multi-rank beamforming strategies (e.g., successive precoding strategies) for the design of precoders over a set of parallel channels. Successive beamforming is applied to a narrow band channel model and is...
02/19/2013
8379617Communication system, communication device, wired communication device, and communication method
A communication system includes a wired communication device and a communication device that can communicate with a wireless communication device and the wired communication device. The communication device includes a clock output unit and a modulator. The wired com...
02/19/2013
8379616Bit calculation method and apparatus for PDSCH transmission
Provided is a bit calculation method, which accurately and easily calculates how many bits are transmitted by codeword per PDSCH in advance before a modulator performs modulation by TTI unit on a PCH or a DL-SCH transferred by a TrCH encoder, in a base-station modul...
02/19/2013
8374162Transmission device and transmission method
A disclosed transmission device includes a frequency scheduling unit configured to allocate, to each user, either frequency blocks that are consecutive frequency subcarrier blocks obtained by dividing a system bandwidth or distributed frequency blocks that are frequ...
02/12/2013
8374161Method and apparatus for sending data and control information in a wireless communication system
Techniques for sending control information in a communication system are described. In an aspect, control information may be sent in a first frequency location (e.g., a first set of subcarriers) if data is not being sent and in a second frequency location (e.g., a s...
02/12/2013
8369299Method and apparatus for multiplexing CDM pilot and FDM data
Techniques for sending control information in a wireless communication system are described. In an aspect, a user equipment (UE) may send data for control information in a resource block with frequency division multiplexing (FDM) and may send pilot in the resource b...
02/05/2013
8363633Method of transmitting data in multiple antenna system
A method of transmitting data in a multiple antenna system includes transmitting first data through a first pilot pattern zone in which pilots are arranged in a specific pilot pattern in a permutation zone having at least one tile comprising a plurality of orthogona...
01/29/2013
8345655Techniques for improving control channel acquisition in a wireless communication system
A technique of operating a wireless communication system includes determining respective geometries of multiple subscriber stations, which include a first subscriber station and a second subscriber station, with respect to a serving base station. Respective control ...
01/01/2013
8340069Method, base station, UE, and system for sending and receiving PDCCH signaling
A method, a base station, a User Equipment (UE) and a system for sending and receiving Physical Downlink Control Channel (PDCCH) signaling are disclosed. The method for sending PDCCH signaling includes the following steps: the base station determines locations of a ...
12/25/2012
8335202Sending pilots on secondary channels for improved acquisition and handoff in cellular communication
Systems and methodologies are described that facilitate enhancing acquisition and handoff in a wireless network deployment by leveraging primary pilots and secondary pilots. The deployment can support more than one frequency band for operation, yet a mobile device c...
12/18/2012
8331341Base station for transmitting a synchronization signal
A base station for transmitting a synchronization signal on a synchronization channel with a system bandwidth which is less than the maximum system bandwidth in a radio communication system supporting multiple system bandwidths includes a multiplexing unit configure...
12/11/2012
8325701Radio communication system and radio communication method
A base station of a radio communication system emits a radio wave having the same frequency by time division toward a plurality of specific areas from a plurality of antenna elements by using a multiple-beam antenna to form a plurality of spot beams, and transmits b...
12/04/2012
8320353Method and system for estimating adaptive combined channel in CDMA system based on time division duplex system
Disclosed is a method and system for estimating an adaptive joint channel in a CDMA system based on TDD. The method includes the steps of a) receiving activity information of a mobile terminal; b) parsing the activity information, and transmitting a midamble sequenc...
11/27/2012
8320352Robust transmission scheme for wireless networks
Systems and methods are described that facilitate assigning a predefined manner in which interfering transmissions may be fully or partially orthogonalized, as well as transmission time periods during which the orthogonalization protocol(s) may be employed. Dependin...
11/27/2012
8320354Robust transmission scheme for wireless networks
Systems and methods are described that facilitate assigning a predefined manner in which interfering transmissions may be fully or partially orthogonalized, as well as transmission time periods during which the orthogonalization protocol(s) may be employed. Dependin...
11/27/2012
8315239Apparatus and method for allocating resource in broadband wireless communication system
Provided is an apparatus and method for allocating radio resources in a broadband wireless communication system by adaptively grouping the radio resources. In the method, the amount of resources necessary for a transmission of data to a user terminal and the amount ...
11/20/2012
8311025Method, data structure and computer system for packing a worldwide interoperability for microwave access (WiMAX) frame
A method of packing a Worldwide Interoperability for Microwave Access (WiMAX) frame, characterised in that the method comprises the steps of: creating a matrix of substantially the same number of rows and columns as the WiMAX frame; mapping a first control message t...
11/13/2012
8306009Method of selecting suitable frequency bands for data transmission between a network node and a user equipment within a mobile communications network
A method of selecting suitable frequency bands for data transmission between a network node and a user equipment within a mobile communications network. A method selects suitable frequency bands for data transmission between a network node and user equipment within ...
11/06/2012
8295261Method for detecting hidden nodes in cognitive radio networks
The invention and method provides a concise model for signaling over control channel of cognitive radio. The model is analyzed and simulated for optimum parameters of wireless network. The optimized network parameters facilitate improvement of channel usage for cogn...
10/23/2012
8279847Method and apparatus for exchanging information with a base station
A method for exchanging information with a base station includes: communicating with the base station using electromagnetic waves with a first frequency; detecting a first connection request carried in the first electromagnetic; receiving the first connection reques...
10/02/2012
8265055Method and apparatus for transmitting signals for multiple input multiple output wireless communication system
A storage unit stores a preamble signal defined in a legacy system and a preamble signal defined in a MIMO system. A monitoring unit in a transmitting apparatus monitors the existence of any communication apparatus which is not compatible with the MIMO system but ac...
09/11/2012
RE43627Apparatus and method for multiplexing packets for broadcast services in a mobile communication system based on orthogonal frequency division multiplexing
An apparatus and method for multiplexing packets for broadcast services in a mobile communication system based on orthogonal frequency division multiplexing (OFDM). The OFDM system has a transmission structure in which one slot includes at least two symbols, and eac...
09/04/2012
8254360OFDMA control channel interlacing
Apparatus and methods for interlacing communications in random access control channels of an Orthogonal Frequency Division Multiple Access (OFDMA) wireless communication system are described. A wireless communication device communicating over distinct OFDMA control ...
08/28/2012
8254361Method and apparatus for transmitting signals for multiple input multiple output wireless communication system
A storage unit stores a preamble signal defined in a legacy system and a preamble signal defined in a MIMO system. A monitoring unit in a transmitting apparatus monitors the existence of any communication apparatus which is not compatible with the MIMO system but ac...
08/28/2012
8249045Communication control apparatus and method
When it is judged that the size of a band of a wireless IP network (10A) is insufficient for transferring IP packets within a predetermined period of time, a band calculating unit (107C) calculates a band of a wireless IP network (10B) that enab...
08/21/2012
8249042Wireless mesh network
Method and apparatus for providing a wireless mesh network and network node are described. More particularly, a network having network node neighborhoods is described. A node comprises a multi-sectored antenna and a transceiver controller. Nodes are configured for i...
08/21/2012
8249046Interference management with MIMO in a peer-to-peer network
Aspects relate to interference management in a multiple-input-multiple-output peer-to-peer network utilizing connection scheduling. When channel side information is available at both transmitter and receiver, both devices determine transmit/receiver beamforming vect...
08/21/2012
8249044Notification information generating apparatus, communication apparatus, notification information generating method and program
To generate notification information for improving accuracy of channel quality information reconstructed based on a difference in notifying using the difference in channel quality information between channels. A notification information generating apparatus 400
08/21/2012
8249043Method of data transmission in a multi-carrier based transmission system and device implementing the method
The invention concerns multi-carrier based digital telecommunication systems where the channel is used to transport several data streams according to the frequency division multiple access scheme. The proposed method concerns a mapping of data on physical res...
08/21/2012
8249047Method of transmitting control signal in wireless communication system
A method of transmitting a control signal in a wireless communication system includes receiving data or a control signal, and transmitting a feedback signal through a control channel in response to the data or the control signal, wherein the control channel comprise...
08/21/2012
8233467Method of ratio data emission, emitter and receiver using the method
Coding and decoding schemes useful in the context of MIMO (Multiple Input Multiple Output) or MISO (Multiple Input Single Output) communications especially used in conjunction of OFDM-like transmission schemes. A space frequency block code (SFBC) is based on the sim...
07/31/2012
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