Abstract: This disclosure provides methods, devices and systems for synchronizing an end of an exchange of frames during a transmission opportunity (TXOP) with a target synchronization time using a synchronization short inter-frame space (SynSIFS) before a transmission by a wireless communication device that controls the medium. The wireless communication device obtains control of the medium for the TXOP by completing a CCA procedure. An exchange of frames during the TXOP includes transmissions from the wireless communication device and responses from other devices while the wireless communication device controls the medium. A duration of the SynSIFS may be adjustable at a microsecond granularity. Accordingly, the wireless communication device may select a duration of the SynSIFS that allows alignment of the end of the exchange with the target synchronization time. The wireless communication device also may adjust a number of symbols in the transmission from the wireless communication device.

Abstract: In general terms, network resource allocation takes place within a wireless communication channel in which resource is defined with respect to time and frequency; a resource allocation process involves joint allocation of resource for communication to and from group of devices, to enable a cyclic exchange of information between the devices and a base-station and thus to enable wireless closed loop control of the device. By jointly allocating resources in one go, overheads are reduced thereby providing a more efficient resource allocation mechanism. Furthermore, bundled transmissions are scheduled, including repetitions of transmissions to increase the likelihood of transmission success. By determining a minimum bundle length required to meet a predefined threshold for received signal quality, the reliability of the transmissions can be ensured.

Abstract: Radio communication method and device with an alterable TTI are provided. The method includes: blindly detecting a primary physical downlink link control channel to acquire first downlink control information which includes configuration information and an exit frame number of a first target TTI; scheduling the first target TTI based on the first downlink control information, and performing data transmission with a base station; and when a frame number of transmitted data exceeds the exit frame number, blindly detecting the primary physical downlink link control channel to schedule a second target TTI indicated by the primary physical downlink link control channel. Solutions in embodiments of the present disclosure may enable to use various TTI simply and efficiently in radio communication, and are particularly adaptive to the feature of TCP service.

Abstract: A method and apparatus are disclosed from the perspective of a UE (User Equipment). In one embodiment, the method includes the UE being configured with a control resource set (CORESET). The method further includes the UE receiving a Downlink Control Information (DCI) on the CORESET, wherein an index is included in the DCI and the index indicates a time domain resource allocation pattern. The method also includes the UE receiving data in Orthogonal Frequency Division Multiplexing (OFDM) symbols determined according to the time domain resource allocation pattern, wherein a range of the time domain resource allocation pattern starts from the first OFDM symbol of the CORESET or after an offset from the first OFDM symbol of the CORESET, and the range of the time domain resource allocation pattern may end across a slot boundary.

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: This disclosure provides systems, methods, apparatuses, and computer-readable media for multiplexing channel state information (CSI) reports in scenarios involving multiple transmit-receive points (TRPs). In one aspect, a user equipment (UE) may receive at least one configuration that identifies a resource for multiplexing CSI reports that have a potential to collide in a slot. The UE may receive the at least one configuration from either, or both, of a first TRP or a second TRP. The UE may transmit at least one of a first set of CSI reports to the first TRP or a second set of CSI reports to the second TRP, multiplexed in the resource, according to the at least one configuration.

Abstract: A mobile communication technology, and, more particularly, a method for efficiently transmitting data stored in a message 3 (Msg3) buffer and a user equipment for the same is disclosed. The method of transmitting data by a user equipment in uplink includes receiving an uplink (UP) Grant signal from a base station on a specific message, determining whether there is data stored in a message 3 (Msg3) buffer when receiving the UL Grant signal on the specific message, determining whether the specific message is a random access response message, and transmitting the data stored in the Msg3 buffer to the base station using the UL Grant signal received on the specific message, if there is data stored in the Msg3 buffer when receiving the UL Grant signal on the specific message and the specific message is the random access response message.

Abstract: A method performed by a communication device comprises identifying a long transmission time interval (TTI) transport block size from a set of long TTI transport block sizes used for transport block transmission within a long TTI. The method further comprises determining a short TTI transport block size, used for transport block transmission within a short TTI, by downscaling the long TTI transport block size based on a relation between a number of symbols in the short TTI and a number of symbols in the long TTI that is greater than the number of symbols in the short TTI.

Abstract: A method includes: receiving, by a first node, transmission timing information sent by a second node, where the transmission timing information includes a first network timing advance; and determining, by the first node, frame timing of the first node based on the transmission timing information, where the frame timing includes a downlink frame sending time and/or an uplink frame receiving time of the first node; and the second node is an upper-level node of the first node.

Abstract: A wireless communication method includes: obtaining operational information of a first wireless communication system; in response to the operational information of the first wireless communication system, adjusting a wireless communication configuration of a second wireless communication system to set an adjusted wireless communication configuration for the second wireless communication system; and performing, by the second wireless communication system, wireless communication under the adjusted wireless communication configuration. The first wireless communication system and the second wireless communication system co-exist in a same electronic device.

Abstract: An apparatus of a wireless system, product to be implemented at a computer process of the wireless system, and method to operate the apparatus. The apparatus includes an input; an output; and processing circuitry connected to the input and to the output, the processing circuitry to implement logic to: receive, through the input and from a first modem of the wireless system, information on a traffic attribute relating to communication in compliance with a first wireless communication protocol; determine, based on the traffic attribute, blacklisted channels to be avoided during a discovery procedure by a second modem of the wireless system, the discovery being in compliance with a second wireless communication protocol; and send, through the output, information based on the blacklisted channels to the second modem to cause the second modem to avoid the blacklisted channels during the discovery procedure.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, during an accumulation period, a plurality of transmit power control (TPC) commands that are based at least in part on one or more sidelink communications transmitted by the UE. The UE may determine a transmit power adjustment for the UE based at least in part on the plurality of TPC commands. The UE may selectively adjust a transmit power of the UE based at least in part on the transmit power adjustment. Numerous other aspects are provided.

Abstract: The method implemented at a network device includes dividing a wireless system bandwidth into a plurality of non-overlapping bandwidth ranges each including a plurality of operating channels available for channel bonding. The method also includes allocating one of the plurality of bandwidth ranges for a wireless communication between the network device and a terminal device served by the network device. The method further includes determining, from the plurality of operating channels for the bandwidth range, one operating channel as a primary channel of the wireless communication. Embodiments of the present disclosure also provide a corresponding network device, a method implemented at a terminal device and a corresponding terminal device, and a non-transitory computer-readable medium.

Abstract: A wireless device receives configuration parameters indicating a time alignment timer of a timing advance group comprising a cell. The time alignment timer is started in response to receiving a timing advance command for the timing advance group. The wireless device transmits an uplink signal for a beam failure recovery procedure for the cell based on a beam failure of the cell. The beam failure recovery procedure is aborted based on an expiry of the time alignment timer during the beam failure recovery procedure.

Abstract: Methods, systems, and devices for wireless communications are described. A transmitting user equipment (UE) such as a vehicle may identify data for transmission and transmit a request message to one or more receiving UEs (e.g., other vehicles). The request message may be associated with a first priority. The transmitting UE may monitor resources for a response message. The response message may be associated with a second priority. If the transmitting UE receives a response message, the transmitting UE may determine whether to transmit the data based on a comparison of the priorities of the request message and the response message. In some cases, the transmitting UE may transmit the data if the transmitting UE does not receive any response message. A receiving UE may receive the request message and determine whether to transmit a response message based on the priority and/or the receive power of the request message.

Abstract: Provided in the implementations of the present disclosure are a wireless communication method and communication device. The method includes: determining a second time unit according to a time domain position of at least one first time unit in a plurality of first time units used for transmitting data; and transmitting feedback information by using the second time unit, wherein the feedback information is feedback information aiming at the data transmitted on the plurality of first time units.

Abstract: System and method for synchronizing at least one small cell with at least one macro cell in a heterogeneous network. The method comprises the at least one small cell triggering an NB-IoT modem for a clock reference signal. The NB-IoT modem detects a first synchronization signal and a second synchronization signal, the first synchronization signal and the second synchronization signal being transmitted by at least one NB-IoT cell connected to the at least one macro cell. The NB-IoT modem synchronizes the at least one small cell with the at least one macro cell based on at least one of the first synchronization signal and the second synchronization signal.

Abstract: The present invention provides a terminal capable of suitably performing random access processing. In a terminal (100), a RACH resource determination unit (104) determines the format of a random access signal on the basis of a parameter related to the transmission of the random access signal, which includes a preamble part and a data part. A wireless transmission unit (109) transmits the random access signal on the basis of the format.

Abstract: Aspects of the subject disclosure may include, for example, a method in which a processing system of a first network element receives information indicating that a user equipment (UE) support dual connectivity with first and second inter-radio access technologies (IRATs). The UE is enabled to communicate with a second network element using the second IRAT. The system provides to the UE uplink power configurations for data transmissions between the UE and the network elements, and performs a closed loop control procedure that includes determining a first transmit power control (TPC) value for first data transmissions from the UE and a second TPC value for second data transmissions from the UE, and adjusting the first TPC value and the second TPC value to allocate UE uplink transmission power between the first IRAT and the second IRAT. Other embodiments are disclosed.

Abstract: The present invention relates to methods and arrangements in a base station and a user equipment for determining an uplink transmission timing correction for communication in a telecommunication system in which aggregation of component carriers is applied. The base station receives a signal from the user equipment on an uplink (UL) component carrier and measures the arrival time of the signal. A timing correction of the UL transmission timing based on the arrival time of the signal is determined. Thereupon the base station determines for which of the uplink component carriers used by the user equipment the timing correction is valid. The timing correction and the validity information is sent to the user equipment. The user equipment adjusts the UL transmission timing for each UL component carrier the timing correction is valid for.

Abstract: A method of UE power profile adaptation to traffic and UE power consumption characteristics based on power profile is proposed. In one preferred embodiment, hybrid of bandwidth part (BWP) and power profile is proposed. UE is configured with multiple BWPs and each BWP includes a set of power profiles. Two types of adaptation triggering can be used, a first type of trigger is based on power saving signals sent from the network, and the second type of trigger is based on timers. When the traffic characteristic for UE changes, the network can send a power saving signal to UE to trigger power profile adaptation, e.g., BWP+power profile switching. When traffic has been digested and becomes sporadic, then power profile adaptation can be triggered based on timers, e.g., a timer for BWP adaptation and another timer for power profile adaptation.

Abstract: A millimeter-wave wireless multiple antenna system (80) and method (100) are provided in which a UE (120) uses a multi-antenna subsystem (81) to identify a plurality of m strongest transmit beams (122) from the base station (110) based on power measurements of a plurality of synchronization signal blocks (SSBs) transmitted on a corresponding plurality of transmit beams by the base station (110), and to generate a composite uplink random access channel (RACH) preamble (123) that is sent (124) to the base station (110) to identify the plurality of m strongest transmit beams and relative weights for each of the plurality of m strongest transmit beams which are used by the base station (112) to generate an optimal downlink transmit beam for use in sending a RACH response to the UE (120).

Abstract: A system described herein may provide for the use of artificial intelligence/machine learning (“AI/ML”) techniques to model energy usage information and energy saving techniques in various locations or regions (e.g., sectors) associated with one or more radio access networks (“RANs”) of a wireless network. The system may determine energy saving techniques, such as radio frequency (“RF”) transmission modification in time and/or frequency domains, antenna mode modification, cell sleep mode, beamforming parameters, and/or other suitable techniques to modify energy consumption at such sectors. The system may balance energy savings with maintaining Quality of Service (“QoS”) metrics at an acceptable level.

Abstract: Example methods for multi-access point (AP) coordination and apparatus are described. One example method includes generating a first radio frame by a first AP. The first radio frame includes indication information used to indicate transmission duration of a second radio frame sent by a second AP. The first AP sends the first radio frame to the second AP. In a sending period of the second radio frame, the first AP sends a third radio frame to a first station (STA) associated with the first AP.

Abstract: A method for reporting performance of a terminal in a mobile communication system includes the steps of receiving a request for performance reporting from a base station, determining an indicator of whether a delay time related operation that the terminal supports is in correspondence with the request which corresponds to a pre-set condition, and transmitting a message including the determined indicator to the base station. The size of the performance reporting message may be minimized in reporting the performance of the terminal.

Abstract: A method for operating a user equipment (UE) comprises receiving information about a downlink (DL) transmission transmitted from NRRH>1 RRHs, wherein: NRRH=number of remote radio heads (RRHs), RRH r comprises a group of antenna ports, and r=1, . . . , NRRH; receiving the DL transmission; and decoding the information about the DL transmission; wherein the DL transmission is based on a scheme that is a combination of a precoding scheme and a diversity scheme, wherein the precoding scheme corresponds to applying an intra-RRH precoder component to antenna ports within an RRH, and wherein the diversity scheme corresponds to applying an inter-RRH diversity component to antenna ports across RRHs.

Abstract: The present disclosure relates to a data transmitting device, data receiving device and the corresponding data transmitting method and data receiving method for transmitting/receiving data over a wireless channel in a communication system. In particular, a first resource grant is received for a data transmission in a subframe and a second resource grant for a data transmission of data in said subframe. Then, it is determined, according to which of the first resource grant and the second resource grant data are to be transmitted in the subframe; and the data is transmitted in the subframe according to the selected first grant or second grant.

Abstract: Systems and methods for the generation of sensing signals and sensing signal configurations for a wireless communication network are provided. In an embodiment, a sensing node identifier (ID) associated with a network entity is determined. This sensing node ID is used to determine a sensing signal configuration, which includes a resource configuration and a symbol sequence. The resource configuration is selected from a set of physical resources associated with a wireless communication network. The symbol sequence is based on the sensing node ID and is specific to the network entity in the wireless communication network. A sensing signal can be transmitted according to the sensing signal configuration.

Abstract: Various arrangements for expediting sensor reporting in a wireless hybrid time division multiple access (TDMA) shared-medium network are presented. A TDMA channel allocation process for the wireless hybrid TDMA shared-medium network may be performed such that each sensor device of a plurality of sensor devices is assigned a different timeslot. Within each timeslot of the plurality of timeslots, a grant-free transmission window may be reserved. Any sensor device may be permitted to transmit data during any grant-free transmission window. In response to the sensor device determining the sensor data is to be transmitted, the sensor device may transmit a message indicative of the sensor data during a grant-free transmission window of a timeslot assigned to a different sensor device.

Abstract: The present disclosure relates to an electronic apparatus, a wireless communication method and a computer-readable medium. According to one embodiment, an electronic apparatus for wireless communication comprises: a processing circuit configured to: determine whether a first user equipment satisfies a condition for performing direct link communication with a second user equipment by using an unlicensed frequency band resource; and if the condition is satisfied, control the first user equipment to perform direct link communication with the second user equipment by using the unlicensed frequency band resource.

Abstract: There is provided a base station which can prevent transmission of a Time Synchronisation Info IE (Information Element) from causing a procedure which the base station cannot execute. When the base station (10-1) according to the present invention receives Muting Pattern Information which does not contain a Muting Pattern Offset, the base station (10-1) decides that the Muting Pattern Offset requested in a former request has been accepted.

Abstract: Aspects described herein relate to determining multiple beams to use in transmitting messages in a random access procedure with one or more transmission/reception points (TRPs) of a cell, and transmitting, to the one or more TRPs of the cell, multiple instances of a first random access message based on the multiple beams, where each of the multiple instances of the first random access message include a preamble portion and a payload portion. In another aspect, a node receiving the multiple instances of the first random access message can determine multiple beams to use in transmitting messages in the random access procedure and can transmit with one or multiple TRPs, to the UE and in response to the first random access message, multiple instances of a second random access message based on the multiple beams.

Abstract: Systems and methods herein describe embodiments for handling a data drift. An example system accesses the data pipeline, which is comprised of a plurality of stages. For each stage of the plurality of stages in the data pipeline, the system identifies stage schema fields for processing data in the data pipeline and generates a set of stage schema fields comprising the identified stage schema fields in the stage. In response to detecting an origin stage, the system generates a set of pipeline schema fields, whereby the set of pipeline schema fields comprise a union of the generated sets of stage schema fields. The set of pipeline schema fields are then stored.

Abstract: One example discloses a multi-radio device, including: a controller configured to be coupled to a radio; wherein the controller is configured to receive a request to communicate a signal with an initial communication priority from the radio; wherein the controller includes a priority offset module configured to, adjust the initial communication priority by a first offset; and wherein the controller includes a priority escalator module configured to, adjust the initial communication priority by a second offset.

Abstract: Apparatus and methods for multi-cell broadcast access channel utilization in a wireless network. In one embodiment, the apparatus and methods provide random access channel (RACH) procedure for a 3GPP-compliant user device (e.g., an enhanced UE or UEe) which attempts to connect to multiple cells simultaneously. In one variant, the UEe employs a multi-step (e.g., 4-step) RACH procedure to connect to the multiple cells. This significantly increases the likelihood of RACH procedure success and UEe access. In another variant, a 2-step RACH process is utilized. Variants of the apparatus and methods utilizing unlicensed spectrum and LBT (listen-before-talk) protocols are also described.

Abstract: A dictionary configuration method, a buffer control method, a network side device and a UE are provided. The buffer control method for the network side device includes: receiving, by the network side device, first check information transmitted by the UE; determining, by the network side device, whether content in a compression buffer of the UE is identical to content in a decompression buffer of the network side device; and when the content in the compression buffer is different from the content in the decompression buffer, transmitting, by the network side device, buffer resetting information to the UE.

Abstract: Certain embodiments are directed to techniques (e.g., a device, a method, or a non-transitory computer readable medium storing code or instructions executable by one or more processors) for many-to-many communication techniques for coordinating communications among a group of mobile devices that can be performed by a first mobile devices. The first mobile device can transmit a request to establish outgoing pairwise ranging sessions with other mobile devices of the group. Each of the mobile devices of the group of mobile devices can establish ranging sessions with the other mobile devices. Each mobile device can act as both an initiating device and a responding device for the ranging session. The first mobile device can detect one or more redundant ranging sessions the mobile devices. The first mobile device can identify whether to keep or terminate each of the one or more redundant ranging sessions based on a common criterion.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a sidelink synchronization signal and may identify a set of parameters (e.g., cyclic shifts or orthogonal cover codes) that are configured for generating a set of reference signals for transmission within a sidelink broadcast resource based on receiving the sidelink synchronization signal. The UE may transmit, within the sidelink broadcast channel resource, a first reference signal of the set of reference signals that is generated based on applying, to a reference signal sequence, a first parameter of the set of parameters that is orthogonal to a second parameter of the set of parameters that is applied to the reference signal sequence to generate a second reference signal of the set of reference signals.

Abstract: Provided is a positioning reference signal transmission method performed by a transmitter, the method including acquiring a first time domain sample data in which a cyclic prefix (CP) insertion is completed based on a zero input; acquiring a second time domain sample data corresponding to a waveform of a signal that continues during a plurality of symbols; synthesizing the first time domain sample data and the second time domain sample data; and transmitting a positioning reference signal based on a result of synthesizing the first time domain sample data and the second time domain sample data.

Abstract: 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 Long Term Evolution (LTE). The present disclosure provides a method of receiving downlink channel and/or downlink reference signal on an unlicensed band. An LTE user equipment (UE) receives control information of a cell operating on an unlicensed band, and receives downlink channel and/or downlink reference signal transmitted in the cell according to the control information. According to the present disclosure, data can be properly received on an unlicensed band.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE) may transmit uplink (UL) messages in unlicensed spectrum with a reduced UL timing delay. The UL timing delay may be reduced by using a shortened transmission time interval (TTI) (e.g., a TTI that is reduced in duration relative to other TTIs in the system or in a legacy system) or by reducing the number of TTIs between a grant and the corresponding UL message. The reduced UL timing delay may decrease the likelihood that the UE will wait for a subsequent transmit opportunity (TxOp) to transmit the UL message. In some cases, the reduced UL timing delay corresponds to a reduced hybrid automatic repeat request (HARM) processing delay. In some cases, a time difference (e.g., measured in TTIs) between a measurement reference TTI a corresponding channel state information (CSI) report may also be reduced.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, an mobile station (MS) may receive an indication of a cyclic prefix (CP) length for one or more subsequent communications and an indication that MS-specific information is to be transmitted before the CP for the one or more subsequent communications. The MS may receive the one or more subsequent communications having the MS-specific information transmitted before the CP. Numerous other aspects are described.

Abstract: Methods, systems, and devices for wireless communication are described. A wireless device (base station or UE) may receive an indication of a listen before talk (LBT) gap for sharing a channel occupancy time (COT), the COT being acquired by another wireless device (base station or UE), and detect whether a slot within the COT is occupied by the other wireless device, the slot occurring prior to the LBT gap. The wireless device may also, responsive to detecting that the slot is occupied by the other wireless device, perform an LBT procedure during the LBT gap, and, responsive to a successful LBT procedure, transmit a signal to the other wireless device within the COT.

Abstract: A method, computer system, and a computer program product for data optimization is provided. The present invention may include performing a reading at a determined frequency, wherein the reading at the determined frequency is within a bracket parameter. The present invention may include determining a bracket value based on the bracket parameter. The present invention may include posting the bracket value to a subledger.

Abstract: Methods, systems, and devices for wireless communications are described. A control resource set (CORESET) may be configured to support multiple transmission configuration indicator (TCI) state control channels. Space division multiplexing (SDM) may be implemented to enable multi-TCI states by using multiple ports and layers. A certain layer and demodulation reference signal (DMRS) port may be associated with a certain TCI state. For orthogonal ports, resources elements (REs) may be assigned such that a first set of REs are assigned to the first DMRS port and a second set of REs are assigned to the second port. The multiple DMRS ports may be code division multiplexed (CDM'd) within an RE such that multiple DMRS ports may be associated with the same RE. For non-orthogonal ports, the same RE may be used for multiple TCI states, where scrambling sequences may be applied to DMRSs associated with the TCI states.

Abstract: A wireless communication method includes transmitting, from a base station (BS), multiple downlink (DL) signals. The wireless communication method further includes receiving, with a user equipment (UE), two or more DL signals of the multiple DL signals, and notifying, with the BS, the UE of a number of the two or more DL signals. The two or more DL signals are associated with a Physical Random Access Channel (PRACH) resource.

Abstract: Provided in the embodiments of the present disclosure are a resource determination and information sending method and device, a storage medium and a processor. The resource determination method includes: receiving configuration information, the configuration information carrying indication information for indicating information of a Physical Resource Block (PRB) that supports resource assignment for a terminal with a subcarrier Resource Unit (RU) as a minimum granularity; receiving information carrying a resource assignment field, a Resource Indication Value (RIV) of a specified field in the resource assignment field being used for indicating resource information assigned to the terminal; and determining, according to the indication information and the RIV, a resource assigned to the terminal.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-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. The present disclosure provides a method for processing uplink control information (UCI) and a terminal. The method for processing UCI includes: determining the UCI which overlaps with a Physical Uplink Shared Channel (PUSCH) resource in time domain according to the PUSCH resource; determining whether to transmit the UCI, and performing corresponding processing based on a determination result.

Abstract: Techniques and apparatus for hybrid automatic retransmission request (HARQ) acknowledgement (ACK) bundling in half duplex frequency division duplexing (HD-FDD) systems are provided. One technique includes determining ACK parameter(s) to be used for acknowledging a bundled transmission that includes instance(s) of a channel across subframe(s). An indication of the ACK parameter(s) is signaled to a user equipment (UE). The ACK parameter(s) include a first ACK parameter that conveys a size of the bundled transmission and a second ACK parameter that conveys an amount of time for the UE to delay acknowledging a data transmission in an instance of the channel after receiving the data transmission. The UE may acknowledge the bundled transmission in accordance with the ACK parameter(s).

Abstract: Embodiments of the present disclosure disclose a mobility management method, user equipment, and a base station. The mobility management method may include: receiving, by user equipment UE in a connected mode, a source identifier of the UE from a first base station, where the source identifier is used to uniquely identify the UE in the first base station; entering, by the UE, a low-overhead state in the case that a low-overhead activation condition is satisfied, where in the low-overhead state, the UE stores a connection context of the UE in the connected mode, and camps on a cell according to a cell reselection criterion during movement; and reporting, by the UE when a first preset condition is satisfied, the source identifier to a second base station to which a second cell belongs, where the second cell is a serving cell on which the UE currently camps.