H04L1/20

Communication apparatus and communication method for measuring a channel quality indicator (CQI)

To measure the channel quality of the own cell accurately in a condition where there is no interference from a neighbor cell. A wireless communication terminal according to the invention is a wireless communication terminal to be connected to a base station for transmitting and receiving data to/from the base station, the wireless communication terminal including: a receiver that receives a signal which includes control information provided for measuring a channel quality of own cell from the base station; an extractor that extracts the control information from the signal received by the receiver; a measurement section that measures, on the basis of the control information, the channel quality of the own cell in a domain where a neighbor cell does not transmit a signal; and a transmitter that transmits a measurement result of the channel quality of the own cell measured by the measurement section, to the base station.

Communication apparatus and communication method for measuring a channel quality indicator (CQI)

To measure the channel quality of the own cell accurately in a condition where there is no interference from a neighbor cell. A wireless communication terminal according to the invention is a wireless communication terminal to be connected to a base station for transmitting and receiving data to/from the base station, the wireless communication terminal including: a receiver that receives a signal which includes control information provided for measuring a channel quality of own cell from the base station; an extractor that extracts the control information from the signal received by the receiver; a measurement section that measures, on the basis of the control information, the channel quality of the own cell in a domain where a neighbor cell does not transmit a signal; and a transmitter that transmits a measurement result of the channel quality of the own cell measured by the measurement section, to the base station.

Error rate measuring apparatus and error rate measuring method
11579192 · 2023-02-14 · ·

An error rate measuring apparatus includes a data transmission unit that transmits a test signal of a known pattern and a parameter value defined by a communication standard to a device under test, and a bit error measurement unit that measures a bit error of a signal transmitted from the device under test. The data transmission unit sequentially changes the parameter value and transmits the parameter value to the device under test. The bit error measurement unit measures a bit error of a signal transmitted from the device under test corresponding to the parameter value. The error rate measuring apparatus further includes a discrimination unit that discriminates a parameter value at which the number of bit errors is the least in a measurement result of the bit error measurement unit, as an optimum value of emphasis of an output waveform of the device under test.

Error rate measuring apparatus and error rate measuring method
11579192 · 2023-02-14 · ·

An error rate measuring apparatus includes a data transmission unit that transmits a test signal of a known pattern and a parameter value defined by a communication standard to a device under test, and a bit error measurement unit that measures a bit error of a signal transmitted from the device under test. The data transmission unit sequentially changes the parameter value and transmits the parameter value to the device under test. The bit error measurement unit measures a bit error of a signal transmitted from the device under test corresponding to the parameter value. The error rate measuring apparatus further includes a discrimination unit that discriminates a parameter value at which the number of bit errors is the least in a measurement result of the bit error measurement unit, as an optimum value of emphasis of an output waveform of the device under test.

PROTOCOL DATA UNIT (PDU) ERROR PROBABILITY FEEDBACK
20230043492 · 2023-02-09 ·

Systems, methods, apparatuses, and computer program products for error probability feedback are provided. One method may include transmitting, to at least one user equipment, a configuration for protocol data unit error probability calculation and reporting. The method may also include receiving, from the at least one user equipment, feedback related to the protocol data unit error probability.

PROTOCOL DATA UNIT (PDU) ERROR PROBABILITY FEEDBACK
20230043492 · 2023-02-09 ·

Systems, methods, apparatuses, and computer program products for error probability feedback are provided. One method may include transmitting, to at least one user equipment, a configuration for protocol data unit error probability calculation and reporting. The method may also include receiving, from the at least one user equipment, feedback related to the protocol data unit error probability.

Beta offset management for URLLC UCI

A method and apparatus are disclosed for configuring at least one set of beta offset values, and for each of the at least one set of beta offset values, at least one subset of beta offset values being defined for information corresponding to Uplink Control Information, UCI, and being associated with at least one service type. A method and apparatus are disclosed for obtaining a configuration of at least one set of beta offset values, for each of the at least one set of beta offset values, the configuration being associated with at least one subset of beta offset values, the at least one subset of beta offset values being defined for information corresponding to UCI and being associated with at least one service type.

Estimation apparatus, estimation method, and non-transitory computer-readable recording medium
11558154 · 2023-01-17 · ·

In order to appropriately estimate the number of radio frames that fail to be acquired, an estimation apparatus 200 includes: a memory storing instructions; and one or more processors configured to execute the instructions to: acquire a plurality of radio frames transmitted and received through a radio channel; specify key frames, based on time information of the plurality of acquired radio frames; calculate a sum of time lengths of at least a part of the plurality of radio frames being located between two adjacent ones of the key frames; and estimate a number of unacquired radio frames, based on the specified key frames and the calculated sum, the unacquired radio frames being radio frames failing to be acquired.

RELIABLE DEVICE-TO-DEVICE COMMUNICATION
20230008931 · 2023-01-12 ·

Methods and apparatuses are disclosed herein for ascertaining reliability aspects for Device-to-Device (D2D) links prior to actual data transmission. In some embodiments, a method performed by a second Wireless Communication Device (WCD) comprises attempting to receive synthetic packet transmissions, each comprising R replicas of a respective synthetic packet, from a first WCD over a direct or indirect D2D link using a current resource allocation. The method further comprises determining that the D2D link violates a requirement based on results of the attempting to receive the synthetic packet transmissions and sending a violation notification to a Centralized Scheduler (CS). Corresponding embodiments of a second WCD are also disclosed. Embodiments of a method of operation of a first WCD and corresponding embodiments of the first WCD as well as embodiments of a method of operation of a CS and corresponding embodiments of the CS are also described herein.

Device and method for estimating communication quality
11595139 · 2023-02-28 · ·

A communication quality estimating device estimates an error rate of a signal with FEC capable of correcting K errors. The device obtains a frequency measurement value that indicates a frequency at which a codeword including m errors is received. The device determines a transition probability and a continuation probability included in each of a plurality of formulae, such that a frequency calculation value that is calculated using the plurality of formulae and indicates a frequency at which a codeword including m errors is received is brought close to the frequency measurement value. The device calculates a frequency at which a codeword including more than K errors is received, by using the plurality of formulae each with the determined transition probability and the determined continuation probability. The device estimates after-FEC error rate based on a result of the calculation.