Top Research Papers on Wireless Communication

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The result showed that a certain portion of signals was lost during the EEG data acquisition and processing as the degradation of Bluetooth affected EEG measurement, and suggested that when using a wireless BCI system, it is necessary to keep a distance from WiFi to avoid Bluetooth performance degradation.

An SVC network based on keypoint transmission is established, which dramatically reduces transmission resources while only losing detailed expressions, and the proposed wireless semantic communication system can remarkably improve transmission efficiency.

The hardware architecture and channel characterization for MA systems are presented, based on which the variation of the channel gain with respect to the MA's position is illustrated, and the performance advantages of MAs over conventional fixed-position antennas are analyzed.

The effect of multipath on a class of systems denoted henceforth as “mediumband” is studied, and its channel is characterized in compact form in order to enable future research into this class of wireless communication systems.

It is shown that mediumband channels possess a distinct channel model, and pose both challenges and opportunities for reliable wireless communication.

It is shown that metasurfaces can enhance the performance of wireless communication systems thanks to their unique physical features such as real-time signal coding, nonreciprocal-beam radiation, non reciprocal beamsteering amplification and advanced pattern-coding multiple access communication.

In a wireless master device (N201), a wireless scheduling unit (16) allocates a real-time data period within a communication cycle for performing wireless communication with a wireless slave device that transmits real- time data and non-real-timeData which has lower priority than the real- Time dataperiod.

In a wireless master device (N201), a wireless scheduling unit (16) allocates a real-time data period within a communication cycle for performing wireless communication with a wireless slave device that transmits real- Time data and non-real-timeData which has lower priority than the real- time data.

This article proposes denoising diffusion probabilistic models (DDPM) for a wireless communication scheme with non-ideal transceivers, where 30% improvement is achieved in terms of bit error rate.

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A general workflow of OWC systems is presented, which consists of three stages: before signal emission, during signal propagation (DSP), and after signal receiving (ASV), which summarizes existing attacks in optical-related wireless applications and corresponding counter-attack solutions.

AI/ML will have more important roles than ever in 6G wireless communications with the above extreme high requirements for a diversity of applications, including new combinations of the requirements for new use cases.

This project tried to show a basic prototype of wireless data transmission using LiFi and what future it holds within itself for the new generation needs.

It is demonstrated that intentional electromagnetic interference (IEMI) can be utilized to not only induce spurious serial communications but to also alter legitimate communications, arbitrarily and at a distance, through attacks that cause controlled, bidirectional bit flips.

The present invention addresses the problem of an increase in transmission delay when a communication is performed using a plurality of wireless transmission devices having different wireless transfer delays if a pluralityof wireless lines are regarded as a single wireless line.

The digital version of metasurface, information metAsurface (IM), is systematically introduced with its application in wireless communications and the basic concepts and principles of IMs and their programmable features are presented.

A wireless communication apparatus according to one embodiment of the present invention is provided with a baseband processing device that generates IQ data and a wireless transmission device that modulates the IQ data into microwaves and wirelessly transmits the microwaves.

In the implementation of SVD-MIMO transmission, with a small number of antennas simplifies the build process and ensure satisfactory decoding capabilities.

The present invention can start a call in a short time and elongate the operational time with a wireless communication apparatus serving as a mobile wireless station.

With the help of the present invention it is possible to start call with device of wireless communication that acts as mobile station of wireless Communication for a short period of time and to prolong time of such wireless communication device operation.

The invention provides a wireless communication apparatus that includes a sender identity evaluating portion that evaluates whether a sender of consecutively received packets is the same, and a physical layer control portion that controls aphysical layer using an evaluation result if the sender identity evaluate portion evaluates that a sender

The invention provides a Wireless communication system, a wireless communications apparatus and a wireless communication method to perform beam formation based on channel estimation in reverse direction by an Implicit feedback when the number of antennas on the transmission side terminal is small.

Although the near distance with the communication partner, but also avoid signal or amplifies the received signal to be transmitted, it is possible to reduce wasteful power consumption.

Ein drahtloses Kommunikationssystem umfasst eine erste draht lose Komm unter Verwendung eines ersten Slots, eines zweiten Slots and eine dritte Drahtlose Komunikationvorrichtung.

Disclosed are a wireless communication device, wireless communication method and wireless communication system that allow selective utilization of the advantages of both centralized and distributed control while minimizing the time necessary for a cell search.

To prevent a decrease in power consumption deterioration and the communication speed of the wireless communication, each node 50, the number of nodes to be searched to determine the transmission power for data communication so that the target value is found.

Differences in transmission delays in multiple wireless lines can be suppressed with the help of a wireless communication device, a wireless communications system, and a wireless Communication method.

This arrangement allows for a quick channel change in response to detection of radar/radio signals, such as a weather radar, during communication of a 5 GHz frequency band in the WDS mode.

A wireless communication system using a multi-air stream transmitted from the first terminal including N antennas to a second terminal including M antennas to execute the data transfer.

In a wireless communication apparatus performing data transmissions using a plurality of code words, as to a response time in which a transmitting station transmits data to a receiving station and receives a response signal (Ack/Nack signal), it is arranged that the period of a first response time corresponding to a higher-level code word be shorter than that of a second response time corresponds to a lower- level code word.

A wireless communication system wherein wireless communications are performed via radio propagation paths, wherein a first wireless communication apparatus comprises a receiving unit for receiving a radio signal via a radio propagation path and a disconnection detecting unit for detecting a disconnected channel.

In response to a control section, which after a pause request when the transmission control signal, the determination portion determines that the data transmission from the counterpart communication apparatus becomes possible, the Transmission control response addressed to the wireless communication device transmit a response signal request signal.

The wireless communication apparatus comprising: a receiving unit, a plurality of frequency bands selecting priority of the highest frequency band of receiving a signal; and a transmitting unit, using the selected frequency band and the highest priority of selecting the highestpriority of selection of the band than the low band priorities.

This invention provides technology whereby communication stations for carrying out random accessing can carry out information transmission by using a proper transmission rate.In a first MRQ state, a reception station feeds back an MCS (modulation coding scheme) wherein a succeeding packet is to be transmitted to a transmission station and sets a Duration value corresponding to the MCS. In a second MRQ state, the reception station carries out no MCS feedback, esteems a default MCS set by the transmission station and sets a Duration value corresponding to the MCS. Further, in a third MRQ state,t...

A wireless communication apparatus comprising a detecting means for detecting temperature inside the device; and a control means for It detected by the temperature detecting means becomes a preset first threshold value or more when the maximum transmission speed of the device itself can be realized to be limiting.

The objective of the invention is to suitably operate a virtual carrier to be used in an MTC by avoiding interferences from control signals and synchronization signals inserted in the data areas of subframes transmitted from a macro eNodeB.

The invention provides a wireless communication system, wireless communication device and wireless communication method that multiplies a first data stream and a second data stream by the transmission weight matrix.

The beacon slot management unit sets the elapse of the predetermined pause period after a beacon slot, and the beacon signal switching unit has elapsed after the predeterminedPause period, and set the beacon slot using the beaconslot of the transmission signal within a predetermined time period.

This invention is directed to reduction of the load in detecting control signals used when using a plurality of frequency bands to perform communications.

A wireless communication apparatus comprising a communication unit that transmits a reference signal; a first multiplying unit, the other end of communication is performed based on the received reference signals to determine the weight of the first transmission weight multiplier.

When the wireless communication terminal, which performs a carrier aggregation, manages the synchronization timings of a plurality of uplinks, the wirelesscommunication apparatus can quickly and efficiently perform a process to adjust the synchronizationTimings.

본 발명은 통신 장치(1, 2)는, 효율적으로 실행할 수 있게 한다.

A radio communication method for a radio communication device having a first communication unit and a second communication unit includes detecting a connectable local-area radio network based on the read communication set information when the communication determination unit determines that a connection between theRadio communication device and a local- area radio network is in the difficult state.

Base station 20, mobile terminal device 30 the result of monitoring the changes in the parameters of the adaptive array antenna to control the directivity of the beam to be transmitted, if the value indicating the change falls below a predetermined value, the signal to be transmit inhibit control of directivity.

This wireless communication device is provided with antennas, transceiver units connected to each of the antennas, and a hopping control unit which performs control such that the frequency channel is switched at fixed time intervals in synchronization with the communication partner.

The present invention relates to wireless communication device, wireless communication system and wireless communications methods, and the use control of multiple frequency bands can be effectively performed.

In the SVD-MIMO transmission using a singular value decomposition, the feedback from the receiver to the transmitter the amount of information is reduced and calibration can compensate for the error between the transmitter and the receiver transmit and receive both the analog parts.

A wireless communication method MIMO communication using a wireless communication apparatus having N antennas includes performing first inverse-matrix determining processing which determines a first inverse matrix of a channel matrix for a first antenna selected from the N antennas.

According to the scheme of the invention, the system throughput of a wireless network distributed in an intensive small community on the specific resource block is maximized.