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WO/1995/033313A1 |
This invention relates to a method for improving the audibility of a broadcast control channel of a base station (BTS1 to BTS3) in a radio system in which transceiver units have been divided on the TDMA/FDMA principle into channels, the ...
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WO/1995/027352A1 |
A high speed bidirectional cable transmission system for CATV and other television systems includes unidirectional transmission of video signals from a head end unit (10) to a plurality of transceivers or subscribers connected to a trans...
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WO/1995/019079A1 |
A radio access method for facilitating communication between at least one first station and a plurality of second stations is disclosed. First, each signal intended for transmission is buffered at a first station. The signals are then di...
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WO/1995/009496A1 |
The invention relates to a method for digital semi-duplex transmission between two radio units. To transmit reverse information, the method comprises the steps of transmitting a selected number (N-1) of speech or data blocks during a tim...
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WO/1995/008247A1 |
An optical communications system comprises an inner core network, a plurality of outer networks coupled to the core, and local networks coupled to the outer networks whereby to provide access to terminals coupled to the network. Informat...
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WO/1995/004415A1 |
A communication system includes a plurality of subscribers each of said subscribers having a transceiver including a transmitter (34) and a receiver (35, 36). In the system there are means (31) coupled to each of said transceivers to ena...
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WO/1995/002942A1 |
The availability and location of a multiplicity of multiplexed digital information streams, transmitted over one of a multiplicity of channels, are identified by transmitting a Global Channel Map which includes a version number, one Band...
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WO/1994/021061A1 |
An apparatus is provided for use in a multi-channel digital transmitter and receiver. A filtering process is accomplished by conditioning portions of a digitized signal during digital signal processing by integrating, taking the differen...
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WO/1994/011961A1 |
The invention relates to a method and an arrangement for dynamic allocation of multiple carrier wave channels for multiple access by frequency division multiplexing. The invention provides a number of mobile units with the possibility of...
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WO/1994/010772A1 |
A method and means are provided of transmultiplexing a plurality of signals between a plurality of signal terminals (17 or 29) and a plurality of selected radio frequency channels. The method includes the step of, and means for, frequenc...
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WO/1993/020628A1 |
In a wireless frequency and time division multiple access (FD/TDMA) communications system having time-slotted communications channels, there is provided a method of and apparatus for hopping wireless communications. It comprises sequenci...
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WO/1993/003558A1 |
A communication system having a site (42) employing a plurality of communication channels. Each channel is assigned a desired received signal strength threshold. A channel is assigned to a subscriber unit (43a, 43b) based upon the streng...
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WO/1992/016063A1 |
System for broadcasting and receiving digital data within time divisional multiplexed channels, grouped in frames, each frame comprising multicarrier symbols, including data symbols and system symbols, each symbol comprising a set of ort...
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WO/1992/008303A1 |
Data, for example, data over a traffic message channel, is transmitted over a radio data system by multiplexing across several available channels. Data is transmitted at intervals over each channel so that data is transmitted at differen...
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WO/1992/006546A1 |
An intelligent communications node (20) is capable of dynamically selecting frequency and time slot assignments for communications with remote communication devices (22, 24, 26) having different communication protocols including differen...
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WO/1992/006545A1 |
A device in which the frequency band (W) of a multiple carrier signal (MCS) is divided into a number K of sub-bands. The data contained in each sub-band are sampled at a predetermined rate (Sr) to generate a spaced sequence of samples. T...
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WO/1990/013956A1 |
A distributed intelligence network (10) using time and frequency domain multiplexing. On power-up, each node (20) determines its skew and requests downloading of program code and configuration data. A node claims timeslots by transmittin...
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WO/1990/008434A1 |
A communication system (Figure 2) that provides TDM and FDM communications between communication units (104). At least two control slots (403) are provided in each TDM frame window (Figure 4) to provide communication control information ...
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WO/1990/005417A1 |
Method for converting electronic signals from frequency-division multiplex (FDM format) into time-division multiplex (TDM format) while retaining substantially all signal information (amplitude and phase information) of a band-limited si...
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WO/1989/005071A1 |
Apparatus for converting a frequency division multiplex (fdm) signal to a time domain multiplex (tdm) signal in which a voltage controlled oscillator (21) whose output is a staircase of reference frequencies mixed by a mixer (20) with a ...
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WO/1981/003095A1 |
Digital Subscriber Communication System for transmitting voice or data information. Existing digital systems are primarily used to carry a large number of multiplexed voice transmission from one point to another. The purpose of this inve...
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WO/1979/000271A1 |
A FDM/TDM transmultiplexer uses sampling rate multiplication to increase the sampling rate for time division multiplexed (TDM) to frequency division multiplexed (FDM) conversion and decrease the sampling rate for FDM to TDM conversion. T...
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JP2020109988A |
[Subject] Needs for the new method for asymmetrical transmission in a radio communications system exist. [Means for Solution] A method according to an embodiment of the present invention includes transmission and reception of a signal th...
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JP6573963B2 |
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JP2019520770A |
An embodiment of this indication provides a method and a device of signal processing in a fiber-optic-communications system. This method divides into a plurality of groups an electric signal for a plurality of receivers which can be set ...
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JP2018207402A |
To provide a base station, a terminal, a radio communication system and a communication method, which can improve transmission efficiency with the suppression of a transmission quality deterioration.The base station, which performs radio...
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JP6440720B2 |
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JP6437904B2 |
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JP6421234B2 |
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JP6411519B2 |
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JP6334766B2 |
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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 |
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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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JP2017530576A |
This indication is related with one or more techniques for making possible the component career for multicareer wireless communication. The capability of UE which supports six or more down-link component careers, or a base station may be...
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JP2017521894A |
The mode of this indication realizes pairing of the career between zones, and a time sharing double Trust (TDD) career. When the zone made into the pair is a frequency division double Trust (FDD) zone, in order to enable full duplex oper...
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JP2017518000A |
[Subject] Present invention, Set to the radio communications system which supports the subcarrier collection (Carrier Aggregation) based on a FDD band (Frequency Division DuplexBand) and a TDD band (Time Division Duplex Band). It is rela...
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JP2017108464A |
To meet the need for a novel method for asymmetric communications in wireless communication system.A method according to an embodiment of the invention comprises the steps of receiving and transmitting signals over a time division duplex...
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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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JP2017511018A |
For assignment of UL channel resource by determining the 1st DL HARQ timing of a FDD career (300), and determining the 2nd DL HARQ timing of a FDD career (300), It is a method in the 1st communication device (110) for enabling HARQ feedb...
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JP6100817B2 |
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JP2017505054A |
The present invention indicates D2D correspondence procedure and a device, and it is characterized by method concerned comprising the following. A transmitting end device transmits a control message in the control domain of the present c...
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JP2017022511A |
To provide a transmission/reception device, radio communication system, method, and program that improve the use efficiency of a radio frame.A legacy preamble portion of a radio frame has a function to maintain backward compatibility, an...
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JP2017011685A |
To provide a transmission device that enables communication using a flexible frame configuration.A transmission device for transmitting a plurality of transmission data using the orthogonal frequency-division multiplexing (OFDM) scheme c...
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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 |
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JP2016040912A |
To provide a method and a system for modulation and equalization in a time-frequency shift communication system.A data frame 601 defines a matrix of data elements [D]. A digital encoder multiplies 610 the matrix [D] 601 by a matrix [U1] ...
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JP5889922B2 |
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JP2016508306A |
In order to multiplex physical channel 400 between a network node and a device which are contained in a mixture wireless network, It is a method in a network node and is a mixture wireless network, A cellular network containing one or mo...
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