H04L27/2654

FBMC-MIMO transmission/reception system with ML detection

A transmitter of an FBMC-MIMO system in which, for each FBMC-OQAM modulator associated with a transmission antenna, the symbols of a block to be transmitted are grouped in pairs, the input symbols in a pair being combined to output first and second combined symbols, the combined symbols being input to the FBMC-OQAM modulator. The invention also relates to a receiver including an FBMC-OQAM demodulator and an ML detector from the observables obtained, for each reception antenna. The used ML detection allows for not being affected by intrinsic interference and obtaining a high degree of diversity without increasing the number of antennas.

Filter control apparatus and method for filter bank multi-carrier technique in wireless communication system

The present invention relates to a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system such as long term evolution (LTE). The present invention relates to the transmission of a filter bank multi-carrier (FBMC) symbol in a wireless communication system, and a method for operating a transmission terminal comprises the steps of: transmitting a first FBMC symbol generated by applying filters to subcarriers according to a first pattern; and transmitting a second FBMC symbol generated by applying the filters to the subcarriers according to a second pattern. In addition, the present invention also comprises examples different from the above mentioned example.

Apparatus and method for pre-processing for filter bank multi carrier scheme in wireless communication system

The present disclosure relates to a 5G or pre-5G communication system for providing a higher data rate after a 4G communication system such as LTE. Particularly, the present disclosure relates to pre-processing for Filter Bank Multi-Carrier (FBMC) in a wireless communication system, and a method of a communication node includes the operations of receiving a signal from a counterpart node, determining a pre-processing scheme according to a channel and a frequency confinement characteristic of a filter based on the received signal, and performing pre-processing for a subcarrier set corresponding to the filter in accordance with the determined pre-processing scheme.

RADIO TRANSMITTER AND RECEIVER DEVICES PROCESSING SIGNAL WAVEFORMS WITH SELECTED PULSE SHAPING SCHEME
20190222453 · 2019-07-18 ·

The disclosure relates to a radio transmitter device (and method) comprising a processor configured to: modulate a data frame onto a radio resource based on a transmission waveform, wherein the transmission waveform is formed according to a pulse shaping scheme; allocate a section of the radio resource for carrying information of the pulse shaping scheme; and transmit a signal waveform with selected pulse shaping scheme over the radio resource, wherein the signal waveform includes the information of the pulse shaping scheme and this information is sent over the allocated section of the radio resource. The disclosure further relates to a radio receiver device receiving such signal waveform.

WIRELESS COMMUNICATION METHOD AND WIRELESS COMMUNICATION DEVICE
20190190671 · 2019-06-20 · ·

A method includes for a designated pilot symbol of at least one pilot symbol to be inserted into a data sequence, determining a first subcarrier and a second subcarrier adjacent to a position of the designated pilot symbol in a frequency domain; at least separately determining a first position and a second position on the first subcarrier and the second subcarrier; determining a first symbol and a second symbol, so that the first symbol is capable of neutralizing interference on the designated pilot symbol of data symbols in positions other than the first position within a predetermined range of the first subcarrier, and the second symbol is capable of neutralizing interference on the designated pilot symbol of data symbols in positions other than the second position within a predetermined range of the second subcarrier; and respectively inserting the first symbol and the second symbol in the first and second positions.

INFORMATION PROCESSING DEVICE, COMMUNICATION DEVICE, INFORMATION PROCESSING METHOD, COMMUNICATION METHOD, AND PROGRAM
20190173730 · 2019-06-06 · ·

[Object] To realize IQ imbalance correction in a more preferable aspect.

[Solution] An information processing device including: a calculation unit configured to calculate an error between predetermined reference coordinates on an IQ plane and a signal point of a received predetermined reference signal on a basis of a reception result of the reference signal on which phase modulation or quadrature amplitude modulation is implemented and mapping information of the reference signal; and a generation unit configured to generate correction data for correcting a deviation of a signal point of a received signal on a basis of a calculation result of the error.

Device and method for transmitting filter bank multi-carrier symbols in wireless communication system

The present disclosure relates to a pre-5.sup.th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4.sup.th-Generation (4G) communication system such as Long Term Evolution (LTE). The present invention relates to the transmission and the reception of filter bank multi-carrier (FBMC) symbols in a wireless communication system, a method for operating a transmitting end comprises the step of: generating a first symbol in which sample values of a front end are shifted to a rear end; generating a second symbol in which sample values of a rear end are shifted to a front end; and transmitting a plurality of symbols comprising the first symbol and the second symbol on a time axis in an overlapping manner.

APPARATUS AND METHOD FOR HYBRID MULTIPLE ACCESS WIRELESS COMMUNICATION SYSTEM

Provided are an apparatus and method for a hybrid multiple access wireless communication system. The apparatus comprises: a parameter acquisition unit configured to acquire a relevant parameter of a hybrid multiple access wireless communication system; and a sub-carrier allocation unit configured to use the relevant parameter to allocate sub-carriers to each user equipment with the purpose of optimizing overall communication quality of the hybrid multiple access wireless communication system.

Apparatus and method for transmitting/receiving signal in wireless communication system supporting distributed antenna system
10270496 · 2019-04-23 · ·

The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-generation (4G) communication system such as a long term evolution (LTE). Embodiments of the present disclosure provide a method of a base station in a wireless communication system, including: determining a signal transmission mode to be used by each of antennas based on a channel condition between each of the antennas and a terminal; and transmitting signals to one or more terminals from each of the antennas based on the signal transmission mode.

FASTER-THAN-NYQUIST SIGNALING FOR FBMC BURST TRANSMISSIONS
20190109743 · 2019-04-11 ·

The present disclosure pertains to a method for operating a transmitting node in a wireless communication network. The method comprises transmitting a signal based on Filter Bank Multi-Carrier, FBMC, filtering, wherein the signal comprises signal carrying pulses, g(t), the pulses having a sampling interval T, the pulses being transmitted with a separation interval of T, with 0<<1. The disclosure also pertains to related methods and devices.