Abstract: A repeater generates repetition signals by repeating uplink signals over a plurality of subframes; controller sets a timing for transmitting the repetition signals, based on information indicating a transmission candidate subframe for a sounding reference signal used for measuring an uplink reception quality; and a transmitter transmits the repetition signals at the set timing.

Abstract: The embodiments of the present disclosure provide a processing method and device. The method includes: receiving a redundancy version RV sequence, where an RV identity for last N transmission opportunities in the RV sequence is 0 or 3, and N is a positive integer; and decoding a retransmission position according to an RV identity order indicated by the RV sequence.

Abstract: A user equipment that has performed a random access procedure with respect to a base station may determine a DCI size to be monitored based on DCI size alignment and the base station may determine a DCI size to be used based on the DCI size alignment. The DCI size alignment may include aligning the size of a legacy UL DCI format and the size of a legacy DL DCI format after aligning the size of a new UL DCI format and the size of a new DL UCI format. Each of the new UL DCI format and the legacy UL DCI format is a DCI format used to schedule a physical uplink shared channel (PUSCH), and each of the new DL DCI format and the legacy DL DCI format is a DCI format used to schedule a physical downlink shared channel (PDSCH).

Abstract: Provided are a communication device and a communication method capable of further improving the quality between radio links in a communication system in which a base station device and the communication device communicate with each other. A communication device according to the present disclosure includes a receiver and a transmitter. The receiver receives a synchronization signal transmitted from a base station device. The transmitter transmits a physical random access channel including a feature capable of uniquely identifying the synchronization signal received by a receiver and/or a PRACH resource to the base station device.

Abstract: Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine at least one of a granularity or range of a timing adjustment value based at least in part on at least one of a timing adjustment command indicating the granularity, configuration information indicating the granularity, information regarding a communication, carrier, or band associated with the user equipment, or a combination thereof; and/or perform timing adjustment based at least in part on at least one of the granularity or the range of the timing adjustment value. Numerous other aspects are provided.

Abstract: A wireless network with network-level channel hopping. A wireless network includes a wireless device. The wireless device includes a receiver, a data channel selector, and a transmitter. The receiver is configured to receive a beacon signal comprising a beacon sequence value. The data channel selector is configured to select, as a pseudorandom function of the beacon sequence value, a data channel on which to transmit in an interval following reception of the beacon signal. The transmitter is configured to transmit on the data channel selected by the channel selector.

Abstract: A method for indicating a time difference between a PUCCH and a PDSCH, a base station, and a readable medium. The method for indicating a time difference between a PUCCH and a PDSCH comprises: determining whether a PDSCH-to-HARQ-timing-indicator field indicates a time difference between a PDSCH and a PUCCH which is used for feeding back HARQ-ACK; generating indication information according to the indication result; and indicating the indication information to the UE by means of downlink control information. By applying the solution, a UE is able to accurately acquire a time slot for feeding back HARQ-ACK while a time difference between a PDSCH and a PUCCH which is used for feeding back the HARQ-ACK is indicated by a PDSCH-to-HARQ-timing-indicator field.

Abstract: A first communication device generates a first packet and transmits the first packet via a first wireless local area network (WLAN) communication channel having a first radio frequency (RF) bandwidth. The first communication device generates a second packet and, after transmitting the first packet, transmits the second packet via the first WLAN communication channel. The first communication device receives a transmission from one or more second communication devices that overlaps in time with transmission of the second packet. The transmission from the one or more second communication devices is received via a second WLAN communication channel having a second RF bandwidth.

Abstract: A user equipment (UE) is disclosed. The UE includes a receiver and a processor that receive a radio resource control (RRC) signal including uplink (UL) sounding reference signal (SRS) configuration information. The UE also receives a semi-persistent scheduling (SPS) message to activate transmission of UL SRSs The UE may then transmit UL SRSs in a time and frequency pattern based on at least the UL SRS configuration information. A UE method and an eNode-B are also disclosed.

Abstract: Method and apparatus are provided for estimating first downlink (DL) channel information of first DL channels in accordance with reference signals received on first uplink (UL) channels, the first UL channels being a subset of available UL channels, and the first DL channels corresponding to the first UL channels. Channel feedback is received for a set of DL channels, and second DL channel information is estimated in accordance with the estimated first DL channel information and the received channel feedback.

Abstract: The present disclosure relates to the field of communications. Disclosed are an information transmission method and apparatus, and a communication device. When a first PUCCH bearing a first UCI overlaps with, in a time domain, a plurality of second PUCCHs that do not overlap with each other in a time domain and bear HARQ-ACKs, or when the first PUCCH bearing the first UCI overlaps with the second PUCCHs bearing a first HARQ-ACK in a time domain, if it is determined that a third PUCCH simultaneously bearing the first HARQ-ACK and the first UCI overlaps with a fourth PUCCH bearing a second HARQ-ACK in a time domain, a terminal device discards the first UCI. By discarding the first UCI, it is possible to avoid multiplex transmission of HARQ-ACKs that do not overlap with each other in a time domain in a time slot due to the fact that the HARQ-ACKs overlap with other types of UCI to ensure effective and timely transmission of the HARQ-ACKs.

Abstract: The present disclosure relates to a resource allocation procedure, performed between a user equipment and radio base station. The UE is configured with at least one numerology scheme, each associated with parameters partitioning time-frequency radio resources into resource scheduling units differently. The UE is configured with logical channels each of which is associated with at least one numerology scheme. A receiver of the UE receives from the radio base station an uplink scheduling assignment, which indicates uplink radio resources usable by the UE. A processor of the UE determines for which numerology scheme the received uplink scheduling assignment is intended based on the received uplink scheduling assignment. The processor performs a logical channel prioritization procedure by allocating the assigned uplink radio resources to the configured logical channels and by prioritizing those logical channels that are associated with the numerology scheme for which the uplink scheduling assignment is intended.

Abstract: An integrated circuit includes circuitry, which, in operation, controls transmitting downlink data to a terminal apparatus; receiving a plurality of transport blocks which are transmitted in a same time period using a same frequency band in a spatial multiplexing scheme, wherein a same acknowledgement information (ACK/NACK) relating to an error detection result of the downlink data is scrambled with different scrambling schemes respectively for the plurality of transport blocks and the respectively scrambled ACK/NACK is multiplexed with data on respective ones of the plurality of transport blocks, and channel quality information (CQI) of a downlink channel is multiplexed with the data on only one transport block of the plurality of transport blocks by the terminal apparatus; and extracting the ACK/NACK and the CQI from the received plurality of transport blocks.

Abstract: Systems, apparatuses, methods, and computer-readable media are provided for uplink beam management and power control in wireless communications systems. Disclosed embodiments include beam management and power control enhancements for Physical Uplink Shared Channel (PUSCH), Sounding Reference Signal (SRS), and Physical Uplink Control Channel (PUSCH) transmissions. Other embodiments may be described and/or claimed.

Abstract: Methods and apparatuses are provided in a wireless communication system in which a radio resource control (RRC) message is received to change or release a secondary cell group (SCG). A re-establishment for a radio link control (RLC) entity of a terminal is performed based on the RRC message. A packet data convergence protocol (PDCP) data recovery is performed based on the RRC message. Performing the PDCP data recovery includes selectively transmitting a PDCP protocol data unit (PDU) previously submitted to the re-established RLC entity, for which a successful delivery has not been confirmed by the re-established RLC entity.

Abstract: This disclosure provides methods, devices and systems for increasing the transmit power of wireless communication devices operating on power spectral density (PSD)-limited wireless channels. Some implementations more specifically relate to short training field (STF) designs and signaling that support distributed transmissions. A transmitting device that transmits data on a distributed resource unit (dRU) may transmit an STF sequence over a spreading bandwidth of the dRU according to an existing STF tone plan. Each STA allocated a dRU for transmission in a trigger-based (TB) physical layer convergence protocol (PLCP) protocol data unit (PPDU) maps its STF sequence to one or more spatial streams and may apply one or more global cyclic shift delays (CSDs) to the STF sequence mapped to the one or more spatial streams, respectively. As such, different global CSDs may be assigned to different STAs so that each STA transmits its STF sequence with different amounts of delay.

Abstract: The present disclosure relates to a communication method and system for converging a fifth generation (5G) communication system for supporting higher data rates beyond a fourth generation (4G) system with a technology for Internet of things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of operating a terminal for a slot aggregation signaling is provided. The method includes receiving control information including slot aggregation information from a base station, receiving data in aggregated slots based on the slot aggregation information from the base station, and transmitting an acknowledgement (ACK) corresponding to the data to the base station.

Abstract: Certain aspects of the present disclosure provide techniques for configuration of resources to determine signal-to-interference-plus-noise ratio (SINR). A method that may be performed by a user equipment (UE) includes transmitting, to a base station (BS), an indication that the UE is configured with at least one capability to support a combination of a channel measurement resource (CMR) and at least one interference measurement resource (IMR), if group based beam reporting is configured, receiving a reference signal (RS) resource setting for the CMR to perform channel measurement based, at least in part, on the capability of the UE, receiving at least one RS resource setting for the at least one IMR to perform interference measurement based, at least in part, on the capability of the UE, determining at least one signal-to-interference-plus-noise ratio (SINR) parameter based on results of performing the channel measurement and the interference measurement, and transmitting the SINR parameter to the BS.

Abstract: A method for time multiplexing subframes on a serving cell to a user equipment, wherein one set of subframes operate with the legacy LTE transmission format and one set of subframes operate with an evolved transmission format comprising reduced density CRS transmission without a PDCCH control region.

Abstract: Systems, methods, apparatuses, and computer program products for applying beam diversity for multi-slot physical downlink shared channel (PDSCH) are provided. One method may include receiving configuration of a multi-slot transmission mode for a multi-slot communication channel. The method may also include receiving, based on the configuration of the multi-slot transmission mode, transmission configuration indications of a plurality of transmit beams for slots in the multi-slot communication channel. A selected set of candidate transmit beams may be received among the plurality of transmit beams for the slots in the multi-slot communication channel. The method may also include determining, among the selected set of candidate transmit beams, which transmit beam is used for each slot in the multi-slot communication channel, and applying a reception beam corresponding to each transmit beam used for each slot in the multi-slot communication channel.

Abstract: Embodiments of the present disclosure provide methods, devices and computer readable media for multi-TRP communication. In a method for communication, a terminal device receives control information from at least one of a first network device and a second network device. The terminal device determines, from the control information, a first parameter for communication of a first data between the first network device and the terminal device and a second parameter for communication of a second data between the second network device and the terminal device, and the first data and the second data are identical. The terminal device performs, based on the first and second parameters, the communication of the first data with the first network device and the communication of the second data with the second network device. The embodiments of the present disclosure propose a new design of control information for multi-TRP communication.

Abstract: A method of an access network node of a carrier aggregation enabled cellular wireless communication system, and a method of a wireless terminal device of a carrier aggregation enabled cellular wireless communication system are disclosed. The method for the network node comprises identifying a need for an inter-band handover where a same physical frequency on which the access network node interacts with a wireless terminal device has more than one logical reference, wherein the wireless terminal device currently operates using a first logical reference, assigning a target frequency for the inter-band handover as a second logical reference for the physical frequency, and performing handover signalling with the wireless terminal device including the assigned target frequency.

Abstract: One example discloses a wireless Access Point (AP) device, within a wireless local area network (WLAN), including: a controller configured to generate a reserve slot time trigger frame to a selected set of wireless devices; wherein the controller is configured to be coupled to an antenna; wherein the antenna is configured to transmit the reserve slot time trigger frame over a physical media to the selected set of user station devices (STAs) and exchange traffic with the selected set of STAs over the physical media; wherein the reserve slot time trigger frame is configured to reserve a slot time on the physical media; and wherein the controller is configured to transmit a burst of downlink (DL) traffic from the AP device during the slot time.

Abstract: Methods, systems, and apparatuses are described herein for beamforming based initial access, beam management, and beam based mobility designs for NR systems. Issues are identified and addressed related to one or more of initial access, control channel design, eMBB and URLLC mixing, and beam training. The methods, systems and apparatus may include a receiving scheduling information and a preemption indication via a DCI. In addition, there may be a detecting and decoding of the preemption indication, a determining of a HARQ feedback associated, and a sending, to a network node, of the HARQ feedback.

Abstract: In order to appropriately control uplink control information even in a case of controlling repetition transmission by use of a plurality of pieces of downlink control information, a user terminal according to the present disclosure includes a receiving section that receives downlink shared channels repeatedly transmitted by use of a plurality of slots, and a control section that, in a case that transmissions of the downlink shared channels transmitted in the respective slots are controlled based on different pieces of downlink control information, controls transmissions of acknowledgment signals for the downlink shared channels repeatedly transmitted, using a resource specified by at least one piece of downlink control information.

Abstract: This disclosure relates to methods and devices for scheduling transmission of control information in wireless communication systems. In one implementation, the method includes receiving, by a wireless network node, a first scheduling request for a radio channel to transmit a first set of information. The method may also include scheduling, by the wireless network node, a first radio channel during a first time slot as a first shared channel for transmitting the first set of information in response to the first scheduling request, the first shared channel being shared by control information and the first set of information. The method may further include detecting, by the wireless network node, a conflict related to the first shared channel, and resolving, by the wireless network node, the conflict related to the first shared channel.

Abstract: A distributed radio access network (RAN) includes a plurality of remote units (RUs) communicatively coupled to a centralized unit. During each of at least one measurement iteration: one of the plurality of RUs is selected as a transmit-mode RU and all other of the plurality of RUs are in receive-mode; the transmit mode-RU transmits a known pattern signal to the receive-mode RUs; and each receive-mode RU determines a frame or symbol boundary difference between when the transmit-mode RU transmitted the known pattern signal and when the respective receive-mode RU received the known pattern signal. Following the at least one measurement iteration: the centralized unit determines a respective timing offset based on each frame or symbol boundary difference; the centralized unit determines a common alignment point for the RUs based on the timing offsets; and each RU's timing is adjusted to align with the common alignment point.

Abstract: Wireless communications for optimizing transmission power levels are described. Uplink transmission power levels for a wireless device may be dynamically adjusted based on conditions in a source cell and one or more neighboring cells. Transmission power levels may be increased or decreased gradually, and optimized power levels may be achieved, based on conditions in a source cell and one or more neighboring cells.

Abstract: The present disclosure relates to a random access method and apparatus, a network device, a terminal, and a storage medium. The terminal transmits a random access request to a network device; and receives a random access response, which is returned by the network device based on the random access request. The random access response is used to indicate a value of an uplink Timing Advance (TA) adjustment amount, and the TA adjustment amount is a positive value, a negative value, or 0.

Abstract: Disclosed are a resource determination method and apparatus for flexible acquisition of a PUCCH resource by a terminal at each sub-slot or each TRP. At a terminal side, a resource determination method provided in the present disclosure includes receiving configuration signaling, and acquiring at least one physical uplink control channel (PUCCH) resource set on the basis of the configuration signaling, determining a target PUCCH resource set; and according to a PUCCH resource indication domain and the serial number of a target corresponding to the PUCCH, determining a PUCCH resource from the target PUCCH resource set, and the target includes a sub-slot where PUCCH transmission is located and/or a transmission receiving point (TRP) corresponding to the PUCCH.

Abstract: A session creation method and an apparatus are provided. The method includes: sending, in a case that a first Session Initiation Protocol (SIP) session has been created among a first electronic device and N second electronic devices, a first REFER request to a third electronic device. The first REFER request is used for requesting to create a second SIP session with the third electronic device, and the third electronic device is at least one of the N second electronic devices. The method includes receiving a first response message fed back by the third electronic device in response to the first REFER request and creating the second SIP session in a case that the first response message indicates that the third electronic device agrees to create second SIP session. N is a positive integer.

Abstract: Certain aspects of the present disclosure provide techniques for reducing a size of semistatic codebooks for HARQ feedback. A method that may be performed by a user equipment (UE) includes determining a number (M) of candidate downlink transmission occasions for a time period, determining a maximum number (k) of simultaneous downlink transmissions the UE can receive during the time period, receiving one or more downlink transmissions during the time period from a base station, and determining a type of encoding for the HARQ feedback based on: (i) a number of the one or more downlink transmissions received, (ii) the number (M) of candidate downlink transmission occasions for the time period, and/or (iii) the maximum number (k) of simultaneous downlink transmissions.

Abstract: A wireless communications network includes a base station configured for operating a wireless communications network cell of the wireless communications network so as to provide communication in a plurality of slots. Each slot includes a plurality of associated physical resources. The wireless communications network includes at least one transmitter configured for transmitting a signal in the wireless communications network cell by mapping the signal into a number of part signals and for transmitting the number of part signals with a corresponding number of associated slots using a corresponding number of sets of physical resources, each set containing at least a subset of the associated plurality of physical resources of the slot. Each set of physical resources is received at the base station shifted with a set-individual offset and with respect to a synchronized start of the slot.

Abstract: A method performed by a User Equipment (UE) is provided. The method includes receiving a first Downlink (DL) assignment on a first Physical Downlink Control Channel (PDCCH), where the first DL assignment may determine a first time location of a first time slot including a first resource for transmitting first Hybrid Automatic Repeat reQuest (HARQ)-Acknowledgement (ACK) feedback. The method further includes performing a first DL process in response to receiving the first DL assignment, receiving a second DL assignment on a second PDCCH in a time interval between an end of the first PDCCH and a beginning of the first resource, and interrupting the first DL process in response to receiving the second DL assignment, where the first DL process includes at least one operation for the UE to generate the first HARQ-ACK feedback.

Abstract: Disclosed herein are systems and methods for improved, rapid wireless emergency communication in both advanced (5G/6G) and low-complexity (CDMA-CA) networks. Embodiments may provide improved means for preempting other non-emergency communication, delivering an emergency message with sufficient information to enable first-responders to take appropriate action even if no further communication is possible, and for establishing a privileged voice connection following the emergency message. Embodiments may include a hailing-type emergency message configured to alert a base station when the addresses of base station is unknown to the emergency node. With improved speed and reliability of emergency communication, first-responders may begin an appropriate life-saving response without delay and with knowledge of the type and location of the emergency.

Abstract: Provided are a method for performing wireless communication by a first device, and an apparatus for supporting same. The method may comprise the steps of: establishing a first session for SL communication with a second device; transmitting auxiliary information relating to the SL communication to a base station; and receiving information on a resource relating to the SL communication from the base station.

Abstract: A communication method and apparatus are disclosed. The method includes: after determining that a first base station is affected by atmospheric duct interference from a second base station, the first base station sends first information to the second base station through a core network, to notify the first base station that the first base station causes atmospheric duct interference to the second base station. After determining that the first base station is affected by the atmospheric duct interference from the second base station, the first base station notifies the second base station in a wired link manner, and may send the first information to the second base station through the core network.

Abstract: In at least one embodiment, a user equipment (UE) may receive a control signal from a base station to update a target pathloss reference signal from an existing pathloss reference signal. In at least one embodiment, the UE may obtain a plurality of samples of the target pathloss reference signal. In at least one embodiment, the UE may determine, based on obtaining the plurality of samples of the target pathloss reference signal, that the UE is unable to update the target pathloss reference signal. In at least one embodiment, the UE may adjust the uplink transmission power of the UE based on the existing pathloss reference signal or to a maximum transmit power based on said determining that the UE is unable to be updated to the target pathloss reference signal.

Abstract: In an aspect, a PDCCH and a PDSCH are transmitted by a BS to a UE, whereby the PDCCH includes a first DCI part and the PDSCH includes a second DCI part (e.g., a 2-part DCI). In an example a first grant associated with the second DCI part is offset relative to a slot position of the second DCI part, whereas a second grant associated with the second DCI part is offset relative to the slot position to which the first grant is offset. In another aspect, two or more grants are grouped together, with the respective group being mapped to a PUCCH.

Abstract: Systems, methods, and/or techniques for improving downlink spectrum efficiency may be disclosed. For example, a higher order modulation (HOM) transmission may be provided to a device. The higher order modulation transmission may be configured to be indicated by the network or a device. Additionally, multiple modulation and coding scheme (MCS) tables, transport block size (TBS) tables, and/or channel quality index (CQI) tables may be provided to support the higher order modulation transmission.

Abstract: A partial sounding method for sounding-reference-signal (SRS) is proposed. The network node may transmit higher-layer signal configuring a fractional SRS resource for partial sounding in configured resource blocks (RBs) to user equipment (UE). The UE may determine an SRS sequence length and a frequency-domain starting position of the fractional SRS resource based on the higher-layer signal to increase the SRS capacity.

Abstract: Implementations of the present application provide a wireless communication method and a terminal device, which can avoid a communication conflict between a side link and an uplink and a downlink, thereby improving the communication performance on the side link and the uplink and the downlink. The wireless communication method comprises: a first terminal device receiving first information sent by a second terminal device, wherein the first information is used to indicate first resources and/or second resources, the first resources are resources used by the second terminal device to perform cellular communication, and the second resources are resources used by the second terminal device to perform sidelink communication with a third terminal device; and the first terminal device performing, on resources other than the resources indicated by the first information, sidelink communication with the second terminal device.

Abstract: Aspects of the present disclosure include methods, apparatuses, and computer readable media for receiving an aggregate bandwidth configuration including, a downlink (DL) bandwidth configuration indicating DL resources for one or more DL receptions, and an uplink (UL) bandwidth configuration indicating UL resources for one or more UL transmissions, calculating a maximum power reduction backoff value based on the UL bandwidth configuration, and transmitting UL information for at least one of the one or more UL transmissions based on the maximum power reduction backoff value.

Abstract: A resource exclusion method and apparatus, and a device and a storage medium, relating to the field of communications. The method is applied to a first terminal, and comprises: determining a quantity of reserved periods Q of a second terminal according to a resource reserved period Prx and a threshold Tscal, the threshold Tscal being determined according to a predetermined value; and when a first resource set overlaps a second resource set, excluding a target resource in the first resource set from a candidate resource set in a resource selection window, the second resource set being determined according to the resource reserved period Prx and the quantity of reserved periods Q, wherein the first resource set comprises at least one resource that may be used by the first terminal, and the second resource set comprises at least one resource that can be used by the second terminal.

Abstract: One example discloses a wireless Access Point (AP) device, configured to operate within a wireless local area network (WLAN), including: a controller configured to generate a reserve slot time trigger frame and a request to transmit trigger frame; wherein the controller is configured to be coupled to an antenna; wherein the antenna is configured to transmit the trigger frames over a physical media to a set of user station devices (STAs) and exchange traffic with the set of STAs over the physical media; wherein the reserve slot time trigger frame is configured to reserve a slot time on the physical media; and wherein the request to transmit trigger frame is configured to command a first STA from the set of STAs to transmit data buffered in the first STA to the AP device.

Abstract: A data transmission method and apparatus, and a related device, and may be used in the internet of vehicles, for example, V2X, LTE-V, or V2V, or may be used in fields such as D2D, intelligent driving, and intelligent connected vehicle. A network device may send first downlink control information to a first terminal device and a second terminal device, to indicate the first terminal device and the second terminal device to perform user cooperative transmission in a first stage. After the transmission in the first stage is completed, the network device sends second downlink control information to the first terminal device and the second terminal device, to indicate the first terminal device and the second terminal device to perform user cooperative transmission in a second stage. The network device uses a two-level scheduling manner to improve transmission efficiency in the second stage.

Abstract: The present disclosure relates to a connection management in wireless communications. According to an embodiment of the present disclosure, when a multi-universal subscriber identity module (MUSIM) device switches to a second network from a first network upon receiving a paging from the second network and reverts back to the first network after a scheduling gap ends, the MUSIM device releases a connection with the first network.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive, when operating in a multiple link communication system, one or more downlink control information (DCI) messages scheduling one or more downlink communications. The user equipment may determine, based at least in part on the one or more DCI messages, whether a communication constraint is satisfied for the one or more downlink communications. The user equipment may determine a communication configuration for the one or more downlink communications based at least in part on whether the communication constraint is satisfied. The user equipment may receive, in the multiple link communication system, the one or more downlink communications based at least in part on the communication configuration. Numerous other aspects are provided.

Abstract: Methods and apparatuses for timing adjustment in a system comprising multiple transmission and reception points (TRPs). A method for operating a user equipment (UE) includes receiving first information for one or more first measurement reference signals (RSs) from a first cell to measure for determining a downlink (DL) timing difference, receiving second information for one or more second measurement RSs from a second cell to measure for determining the DL timing difference, and receiving a configuration for reporting the DL timing difference between the first and second cells. The method further includes measuring, based on the first and second information, the first and second measurement RSs, respectively; determining, based on the first and second measured measurement RSs, a timing difference report for the first and second cells; and transmitting, based on the configuration, the timing difference report to one or more of the first and second cells.

Abstract: A 2-step random access method and device for an unlicensed band are provided. The method is executed by a terminal device and includes: determining, based on an LBT detection result, whether to send an msgA and whether to update a power ramping counter for the msgA, where the power ramping counter is used to determine transmission power for the msgA, and the msgA includes a PRACH and a PUSCH; and determining, based on a sending status of the msgA, whether to update a transmission counter for the msgA.