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JP6334766B2 |
A method according to an embodiment of the invention includes receiving and transmitting signals over an asymmetric time division duplex (TDD) communication path. Signals are sent over the asymmetric TDD communication path via a first po...
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JP2018074464A |
To prevent reduction of communication quality by preventing interference of communication between mutually proximate metal lines of multiple communication systems of which the available frequency bands are partially overlapped, in accord...
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JP6267723B2 |
A method in a network node for multiplexing a physical channel 400, between the network node and devices comprised in a mixed wireless network, wherein the mixed wireless network further comprises a cellular network comprising one or mor...
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JP2017220898A |
To provide a technology for performing more efficient communication.A slave station device which performs communication with a master station device comprises: input means for inputting data to be transmitted to the master station device...
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JP2017092577A |
To highly accurately estimate channel statistics even in an environment of much noise.A radio channel analysis device comprises: an observation data acquisition unit 22 for acquiring observation data including a plurality of pilot signal...
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JP2017085188A |
To provide a base station device and a terminal device that can perform efficient communication in a system in which the base station device and the terminal device communicate with each other.A terminal device comprises: an upper-level ...
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JP6100817B2 |
A method according to an embodiment of the invention includes receiving and transmitting signals over an asymmetric time division duplex (TDD) communication path. Signals are sent over the asymmetric TDD communication path via a first po...
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JP2016189502A |
To provide a receiver, or the like, in which not only a single target but also multiple targets may be an object, by using a time division spread spectrum code and a frequency division spread code.A transmission unit 7 included in a tran...
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JP5969121B2 |
A system and method of providing a modulated signal useable in a signal transmission system. The method includes transforming, perhaps with respect to both time and frequency, a data frame including a plurality of data elements into a tr...
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JP5889922B2 |
Certain aspects of the present disclosure propose techniques for independently signaling features supported by a user equipment (UE) in different duplexing modes. The UE may be capable of communicating in frequency division duplexing (FD...
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JP5852098B2 |
Techniques for supporting peer-to-peer (P2P) communication and wide area network (WAN) communication are disclosed. In one aspect, P2P communication may be supported on an uplink spectrum. A user equipment (UE) may communicate (i) with a...
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JP5774631B2 |
Frame structures and transmission techniques for a wireless communication system are described. In one frame structure, a super-frame includes multiple outer-frames, and each outer-frame includes multiple frames, and each frame includes ...
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JP5714113B2 |
The present invention, pertaining to the field of mobile broadcast television technologies, discloses a method and apparatus for generating a broadcast positioning signal, and a positioning method. The method for generating a broadcast p...
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JP5677532B2 |
To provide a method for establishing connection between radio communication devices in regard to a radio communication method in which intermittent reception of a connection request signal is performed.A radio communication device includ...
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JP5670515B2 |
A method according to an embodiment of the invention includes receiving and transmitting signals over an asymmetric time division duplex (TDD) communication path. Signals are sent over the asymmetric TDD communication path via a first po...
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JP5642618B2 |
Techniques for multiplexing and transmitting multiple data streams are described. Transmission of the multiple data streams occurs in “super-frames”. Each super-frame has a predetermined time duration and is further divided into mult...
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JP5397434B2 |
To prevent an influence of radio wave interference by efficiently avoiding the radio wave interference in a radio communication system as a whole.A radio access point device forms transmission sections by time dividing a plurality of fre...
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JP5319701B2 |
Systems and methods are disclosed for using two TDD carriers in the same paired spectrum by offsetting the DL and UL transmissions in frequency to cause the TDD carriers to behave as two half-duplex FDD carriers. DL and UL transmission a...
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JP5290449B2 |
Techniques are provided to support fast frequency hopping with a code division multiplexed (CDM) pilot in a multi-carrier communication system (e.g., an OFDMA system) [520]. Each transmitter (e.g., each terminal [420x]) in the system tra...
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JP2012165400A |
To efficiently send data in a wireless communication system.An output waveform comprises traffic and overhead segments, and code division multiplexing (CDM) or orthogonal frequency division multiplexing (OFDM) is selected for each traffi...
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JP4982409B2 |
A disclosed radio communication apparatus includes an intermediate band detecting unit detecting an intermediate band which is a band between a first frequency band and a second frequency band which are allocated to a same mobile communi...
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JP4980491B2 |
A network includes a master and a set of slaves that communicate orthogonal frequency-division multiplexing (OFDM) and time division multiple access (TDMA) symbols on sub-carriers. A master broadcasts to the set of slaves using downlinks...
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JP4979172B2 |
In a wireless code-division multiple access (CDMA) system ( 100 ), a talkgroup ( 101 ) of subscriber units is provided. A sub-talkgroup ( 102 ) of subscriber units, forming a part of the talkgroup is assigned at least one inbound channel...
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JP4957803B2 |
A pilot arrangement method in a mobile radio communication system by which, in order to avoid a problem that poor CQI accuracy affects the scheduling of channel arrangement to cause the throughput to be deteriorated, a working frequency ...
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JP2011239229A |
To provide a function for enabling wireless communication between wireless stations for an existing wireless communication system with a frequency band distinct from that of the existing wireless communication system without modifying th...
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JP4680459B2 |
The invention concerns a method for transmitting a biorthogonal multicarrier signal BFDM/OM, using a transmultiplexer structure providing: a modulating step, using a synthesis filter bank (11), having two 2M parallel branches, M>=2, each...
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JP2010283835A |
To evaluate one communication network while performing communication in another communication network by improving compression mode communication.A compressed frame is structured to include a first part, a second part and a separation sl...
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JP4515312B2 |
A base station comprises a receiving unit configured to receive a shared control channel assigned to a channel band where a plurality of frequency blocks each of which includes a plurality of subcarriers are arranged in a frequency direc...
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JP4425709B2 |
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JP4401390B2 |
Embodiments of the present invention comprise methods and systems for establishment and modification of network allocation parameters.
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JP2009284449A |
To provide a base station and a communication method, capable of providing an optimal communication environment in accordance with a communication status.A base station A, which communicates with a plurality of mobile terminals B, is con...
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JP4354414B2 |
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JP4262607B2 |
A communications node for an optical network is disclosed. The node includes a tunable wavelength receiver for receiving optical data from source nodes at a plurality of source wavelengths and a tunable wavelength transmitter for transmi...
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JP4256066B2 |
Methods and systems of communication reduce the internal interference associated with conducting radio communication in a wireless local loop communication system down to acceptable levels. Problems associated with internal interference ...
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JP4234175B2 |
A multi-mode wireless transmit/receive unit (WTRU) includes at least one antenna, first and second communication mode receivers and a first communication mode transmitter. The first and second receivers simultaneously receive signals fro...
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JP2009033575A |
To provide a communication device and method which optimally allocate radio communication channels, in a radio communication system having a plurality of carrier frequencies and using the plurality of carrier frequencies.When allocating ...
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JP2008178122A |
To reduce the distortion of a signal output from an amplifier even if a signal input to the amplifier is a signal with power greater than estimated power.An antenna 10 connects a plurality of terminal devices. A PA 24 amplifies an RF sig...
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JP4119434B2 |
Radio communication system includes terminal including unit detecting radar wave transmitted through second-frequency channel, first-and-second-frequency channels through which radar wave fails to be transmitted being simultaneously util...
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JP4095141B2 |
To permit the reception and utilization of information in an HTML format at an FM broadcasting receiver by performing error correcting processing to use a redundant code with a data format and error correction or error detection to use a...
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JP2008104182A |
To provide a physical layer transport composite processing system which is used in a wireless communication system.A plurality of interconnected processing blocks are provided. The blocks are interconnected by a read data bus, a write da...
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JP4083270B2 |
In the radio transmission method according to the invention, which operates with a mixed frequency and time division multiplex method FDMA/TDMA, in which a relatively broad frequency band is divided according to the FDMA method into a pl...
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JP4077355B2 |
A communication device carries out communication using N number of communication channels, where N is an integer not less than 2. The communication device includes interleavers that shuffle a data series, which is meant to be transmitted...
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JP4059419B2 |
A master station communicates with the main network, whilst a set of mobile or fixed sub stations of voice or data users share the channel using time division multiplexing. The number of time division channels available depends on the qu...
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JP2008054168A |
To provide a mobile communication system to be connected certainly and rapidly.In one piece of TDMA slot 500, plural pieces of control channels are constituted along a frequency axis regarding one control channel along a time axis, by co...
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JP4043948B2 |
A method for subcarrier allocation and loading for a multi-carrier, multi-subscriber system is described. At least one cluster in a first and second set of clusters of subcarriers is associated for use in communication with a first and s...
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JP4016953B2 |
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JP2007534186A |
A receiver-specific regulation of transmission energy for a symbol for transmission, by adjustment of the symbol duration or by adjustment of the number of bits transmitted with the symbol, or a combination of both measures, each using a...
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JP3996929B2 |
An Ethernet passive optical network provides a subscriber with a high speed and large capacity data service and a real time digital broadcast/video service. The network includes an optical line terminal for frame-multiplexing broadcast/v...
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JP2007274103A |
To provide a communication method of a mobile station with at least two communication modes whereby two wireless communications are carried out at the same time without causing interference between the two communications. In the wireless...
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JP2007228593A |
To provide a shared memory arbiter capable of obtaining physical layer processing that enables high processing speed and flexibility. The present invention relates to a physical layer transport composite processing system, used in a wire...
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