A detection method and apparatus, a terminal, and a storage medium are provided. The method includes that: a decoding parameter in a process that a decoder of a Narrowband Physical Downlink Control Channel (NPDCCH) decodes Downlink Control Information (DCI), a comparison parameter obtained by comparing an encoding result obtained by reversely encoding the decoded DCI by an encoder of the NPDCCH with the DCI before decoding, and a Signal-to-Noise Ratio (SNR) of the DCI are acquired; in a case where the decoding parameter, the comparison parameter and the SNR satisfy a first valid condition, a data transmission repetition number and a search space length of the NPDCCH are acquired; and in a case where the search space length matches the number of subframes corresponding to the data transmission repetition number, it is determined that the DCI is valid.

Provided are a data transmission method and apparatus and a storage medium. The data transmission method includes that a first communication node succeeds in channel contention on a first channel; the first communication node performs channel detection on a second channel within the preset duration before the sending moment of the first channel to acquire a detection result; and the first communication node sends a notification frame to a second communication node on the second channel in response to the detection result being idle, where the notification frame is used for instructing the second communication node not to send data on the second channel.

Various embodiments of the present disclosure provide a method for random access. The method which may be performed by a terminal device comprises determining a interlace configuration for uplink shared channel transmission to a network node in a two-step contention-free random access procedure. The method further comprises performing the uplink shared channel transmission to the network node in the two-step contention-free random access procedure, according to the determined interlace configuration. According to some embodiments of the present disclosure, the interlaced resource allocation for uplink shared channel transmission may be configured for a two-step contention-free random access procedure in a flexible and efficient way, so that the performance of the random access procedure can be improved.

A first physical layer device includes a first transmitter and a first receiver. The first transmitter transmits first data to a second physical layer device over a medium at a first line rate during a first transmit period. The first receiver is configured to not receive data during the first transmit period and an echo reflection period occurring after the first transmit period. The echo reflection period is based on a length of the medium between the first physical layer device and the second physical layer device. The first receiver is configured to, after the echo reflection period, receive second data from the second physical layer device over the medium at a second line rate that is less than the first line rate.

A method performed by a terminal in a wireless communication system includes: receiving, from a base station, configuration information associated with a channel state information (CSI) report including at least one information associated with a CSI resource setting; receiving, from the base station, information associated with channel occupancy duration; determining whether at least one symbol for receiving a channel state information reference signal (CSI-RS) is within channel occupancy duration, based on the at least one information associated with the CSI resource setting and the received information associated with the channel occupancy duration; receiving, from the base station, at least one CSI-RS on the at least one symbol, based on a result of the determining; and when the CSI report is determined to be transmitted, transmitting; to the base station, the CSI report based on the configuration information associated with the CSI report and the received at least one CSI-RS.

A client device is configured to communicate with an access point over a wireless network, exchanging data with the access point over a selected communication channel. The client device stores an identifier of the selected communication channel. After the wireless connection to the access point has ended, the client device initiates a process to reconnect to the access point over the selected communication channel using the stored identifier.

A transmission of a sounding reference signal by an electronic device is provided. A method of an electronic device includes transmitting a signal via a first antenna subset including at least one of a plurality of antennas, measuring an emission environment of the plurality of antennas, using the signal, determining at least one antenna to be used for transmitting a sounding reference signal (SRS), based on the emission environment, and transmitting the SRS via the at least one determined antenna. The emission environment includes a strength of a reflected signal that corresponds to the signal and is reflected by the first antenna subset, or a strength of a reception signal that corresponds to the signal and is received by a second antenna subset including at least one remaining antenna.

An Unlicensed Band (Uband) reference signal sending method, receiving method and devices are provided, a Uband channel includes multiple predetermined candidate transmission positions for transmitting a reference signal, and each candidate transmission position is a transmission occasion for the reference signal. The sending method includes that: an Evolved Node B (eNB) senses whether the Uband channel is idle or not at all or part of the candidate transmission positions, and determines idle candidate transmission positions; and the eNB selects to send the reference signal to User Equipment (UE) at all or part of the idle candidate transmission positions according to historical Uband channel contention state information.

A method for information transmission includes that: a network device determines a first time-domain resource available on a first carrier, where the first carrier is an unlicensed carrier and the first time-domain resource is in a first downlink transmission burst; and the network device sends first information to a terminal device through the first time-domain resource on the first carrier, where the first information is used to indicate time-domain resource information of a first transmission burst according to a first subcarrier spacing.

An architecture to reduce or eliminate uplink interference induced by aerial user equipment (UE) when aerial UE is introduced into groups of terrestrial based UE operating in terrestrial fourth generation (4G) long term evolution (LTE), fifth generation (5G) networks. A method can comprise determining a number of terrestrial based user equipment impacted by uplink interference caused by uplink transmissions associated with aerial user equipment, wherein the aerial user equipment and the terrestrial based user equipment are controlled by serving cell equipment; determining an enclosed area that bounds the number of terrestrial based user equipment; and initiating a carrier aggregation process on the aerial user equipment, wherein the carrier aggregation divides the uplink transmissions associated with the aerial user equipment over a group of serving cell equipment included in the enclosed area.