253 results about "Uplink scheduling" patented technology

A method and apparatus for determining uplink scheduling information. The method includes a user equipment (UE) reports full power transmission capability and / or coherence transmission capability to a base station, determining a codebook subset of a codebook-based PUSCH and / or second information according to first information, the first information comprising at least one of the following information: the full power transmission capability, the coherence transmission capability, codebook subset restriction information of the codebook-based PUSCH, and first instruction, and the second information comprising an overhead indicated by a precoded matrix and the number of transport layers of the codebook-based PUSCH and / or an encoding mode indicated by the precoded matrix and the number of transport layers of the codebook-based PUSCH, and receiving uplink scheduling information of the codebook-based PUSCH, and determining the precoded matrix and the number of transport layers of the codebook-based PUSCH according to the uplink scheduling information of the codebook-based PUSCH.

The invention belongs to the technical field of communication, and discloses a communication system supporting NB-IOT voice service, which comprises a terminal, a base station, a core network and an IMS server, wherein the terminal, the base station and the core network all support NB-IOT voice services, the terminal is connected with the base station through a Uu interface, the base station is connected with the core network and the IMS server through an S1 interface, and the terminal is connected with the core network through an Nas logic interface; the terminal is used for initiating and receiving an IMS voice call, supporting establishment of an SIP session with the AS server to complete IMS signaling connection, and establishing a bearer required by IMS voice. According to the invention, the NB-IOT terminal and the NB-IOT base station support measurement and switching functions, so that the voice service continuity is ensured; qCI1 and 5 voice bearing and SIP session processing are established in an NB-IOT terminal, a base station and a core network, and it is ensured that a transmission channel is established for a control plane service and a data plane service of voice; the base station supports voice uplink pre-scheduling, so that the problem of insufficient uplink scheduling capability of the base station is solved.

The invention provides a method for reporting a beam report and a communication device. The method is applied to the field of communication. The method comprises: a UE requesting to report a beam report by sending a first scheduling request (SR) to a network device, the first SR carrying one or more of the following items: first indication information and priority information of the beam report; therefore, the network equipment can accurately know the requirement of the UE for sending the beam report, so that the reliability of transmitting the beam report is improved. Compared with the traditional SR which is only used for requesting the uplink scheduling resource, the first SR introduced in the embodiment of the invention supports the request for uploading the beam report, thereby being beneficial to improving the flexibility and precision of beam management.

Certain aspects of the present disclosure provide techniques for wireless communication by a user equipment (UE). For example, the UE may transmit, to a plurality of transmission and reception points (TRPs), a layer parameter based on a maximum number of multiple input multiple output (MIMO) uplink layers that are supported by the UE for uplink communication to the plurality of TRPs. The UE may receive, from at least one TRP of the plurality of TRPs, uplink scheduling information responsive to transmitting the layer parameter. The UE may further transmit, to each of the plurality of TRPs, a physical uplink shared channel (PUSCH) communication according to the uplink scheduling information.

This application relates to the field of wireless communication technologies, and discloses a random access method, a terminal, a network device, and a communication system. In this application, an RRC establishment cause may be determined in a random access procedure based on a network congestion status, and an uplink scheduling message including the RRC establishment cause is sent to the network device.

The disclosure relates to a fifth generation 5G or sixth generation (6G) communication system for supporting a higher data transmission rate. A method of a user equipment includes receiving, via higher layer signaling, a first configuration of a list of transmission configuration indication (TCI) states, receiving a first medium access control (MAC) control element (CE) to activate TCI states among the TCI states in the list, wherein the MAC CE maps the activated TCI states to codepoints of a TCI field in downlink control information (DCI), receiving the DCI including the TCI field with a codepoint, identifying an indicated TCI state based on the codepoint, identifying first transmission power for a first uplink transmission based on a pathloss offset value included in the indicated TCI state, and transmitting the first uplink transmission based on the first transmission power.

Various aspects of the present disclosure relate to a UE configured to determine that first data stored in the memory for an uplink transmission is not suitable for subsequent uplink scheduling based on a criterion, and trigger the transmission of a control message that indicates an amount of the first data that will not be provided in an uplink transmission.

A method and apparatus to improve uplink scheduling efficiency is provided. This disclosure provides methods and apparatus to selecting format for a triggered BSR with consideration on RRC configuration and amount of data to be reported and number of logical channel groups to be reported. With the method, more accurate reporting is enabled when certain conditions are fulfilled.

Apparatuses and methods are disclosed for joint downlink / uplink (DL / UL) scheduling and parameter selection for constrained simultaneous transmit and receive (STR) access point (AP) multi-link devices (MLDs). In one embodiment, a STR capable MLD includes an AP STA. The MLD is configured to jointly schedule an uplink communication on a first link and a simultaneous downlink communication on a second link by selecting a first non-access point (non-AP) station (STA) for the uplink communication and a second non-AP STA for the simultaneous downlink communication out of a plurality of non-AP STAs, the first and second links being a STR constrained pair of links, the first link being associated with the first non-AP STA, the second link being associated with the second non-AP STA, and the first and second non-AP STAs not being affiliated with a same MLD.

The methods and techniques disclosed herein enhance uplink scheduling for augmented reality (XR) to support XR traffic with strict latency and reliability requirements. The XR traffic has large packets arriving quasi-periodically with a variable size. An example method by a user equipment (UE) includes receiving (2302), from a network entity, a grant (CG) indicating a physical uplink shared channel (PUSCH) configuration for a first PUSCH resource in a plurality of PUSCH occasions for each traffic period. The UE transmits (2314 or 2316), to the network entity, a message indicating UE usage for a plurality of PUSCH occasions in the current traffic period when a first amount of data transmittable using the first PUSCH resource differs from a second amount of data transmittable using a second PUSCH resource evaluated by the UE device for transmitting data in the current traffic period.

An uplink scheduling method and an apparatus are provided. The method includes: A network device determines uplink scheduling information, where the uplink scheduling information is used for scheduling a terminal device to perform a first uplink transmission and a second uplink transmission, a first timing advance associated with the first uplink transmission is different from a second timing advance associated with the second uplink transmission, the first uplink transmission and the second uplink transmission are two consecutive uplink transmissions, and there is an interval of preset duration between the first uplink transmission and the second uplink transmission; and the network device sends the uplink scheduling information to the terminal device. According to the foregoing method, when there is an interval between two adjacent uplink transmissions that the network device schedules the terminal device to perform, it is avoided that the first uplink transmission and the second uplink transmission overlap in time domain, thereby improving data transmission efficiency.

A method for a terminal to transmit signals in a wireless communication system according to at least one of the embodiments disclosed herein comprises: transmitting terminal capability information related to 8 transmission antenna ports of the terminal; receiving downlink control information (DCI) for uplink scheduling including information about a transmission precoding index (TPMI); and transmitting an uplink signal on the basis of the DCI. The terminal capability information may include information for reporting an antenna port group supporting full power transmission among a plurality of antenna port groups composed on the basis of the 8 transmission antenna ports, and the transmission power of the uplink signal may be determined on the basis of whether the TPMI acquired through the DCI is related to the reported antenna port group.

A terminal includes: a transmission unit configured to transmit information indicating a terminal capability related to uplink transmission switching to a base station; a reception unit configured to receive a configuration related to uplink transmission switching and uplink scheduling information from the base station; and a control unit configured to perform switching of a band for transmission, based on the configuration related to uplink transmission switching and the uplink scheduling information. The transmission unit includes, in the information indicating the terminal capability, information indicating a combination of three or more bands that support uplink transmission switching.

A communication apparatus includes a reception unit configured to receive uplink scheduling information notifying an uplink scheduling method from a base station, a setting unit configured to set a bit rate of a plurality of video frames using information that is different depending on the uplink scheduling method, an encoding unit configured to encode the plurality of video frames at the set bit rate, and a transmission unit configured to transmit at least one video frame in the plurality of encoded video frames to the base station.

According to the information transmission method and the communication device, a terminal can send information related to a computing task of the terminal to a network side device (such as network equipment), and the network equipment guides sending of a computing data packet according to the information of the computing task in combination with the computing power condition of a computing unit in a communication network and indicates a result to the terminal. For example, it is possible to indicate to a terminal whether or not transmission of a computing packet or a transmission resource of the computing packet is permitted. The network equipment can identify the computing data packet in the uplink scheduling process, the scheduling terminal can be prevented from uploading (sending) the computing data packet under the condition that computing power resources in a communication network are occupied, and the computing efficiency of the computing data packet and the computing power resource utilization rate are improved.

An uplink scheduling method and an apparatus are provided. The method includes: A network device determines uplink scheduling information, where the uplink scheduling information is used for scheduling a terminal device to perform a first uplink transmission and a second uplink transmission, a first timing advance associated with the first uplink transmission is different from a second timing advance associated with the second uplink transmission, the first uplink transmission and the second uplink transmission are two consecutive uplink transmissions, and there is an interval of preset duration between the first uplink transmission and the second uplink transmission; and the network device sends the uplink scheduling information to the terminal device.

The disclosure relates to a fifth generation 5G or sixth generation (6G) communication system for supporting a higher data transmission rate. A method of a user equipment includes receiving, via higher layer signaling, a first configuration of a list of transmission configuration indication (TCI) states, receiving a first medium access control (MAC) control element (CE) to activate TCI states among the TCI states in the list, wherein the MAC CE maps the activated TCI states to codepoints of a TCI field in downlink control information (DCI), receiving the DCI including the TCI field with a codepoint, identifying an indicated TCI state based on the codepoint, identifying first transmission power for a first uplink transmission based on a pathloss offset value included in the indicated TCI state, and transmitting the first uplink transmission based on the first transmission power.

The invention discloses an Internet of Things building environment terminal low-delay time slot control method. The method comprises the following steps: acquiring a baseline sequence time slot control table; receiving a guard proof record from a terminal node, only updating guard items in the baseline table according to the record, and generating a post-authentication sequential time slot control table capable of reflecting the real state of the node; scheduling opportunistic uplink according to a time bond mechanism in an unallocated gap of the authenticated time slot control table to generate an opportunistic uplink scheduling result; and combining the authenticated sequential time slot control table with the opportunity uplink scheduling result, and synthesizing and issuing an execution-level scheduling plan. According to the invention, the dynamic self-adaption to the terminal state is realized while the deterministic scheduling is guaranteed, the channel utilization rate is improved, and the access service with fairness and predictable time delay guarantee is provided for opportunistic uplink.

Methods, systems, and devices for wireless communication are described for user equipment (UE) indication of uplink scheduling information to a base station. The uplink scheduling information may provide information on a periodic traffic pattern, such as for periodic extended reality (XR) data flows. The uplink scheduling information may provide uplink assistance information (UAI) to a base station to assist the base station with providing uplink resources that efficiently serve an XR session. The UAI may indicate one or more of a periodicity of uplink traffic, an offset between uplink traffic and a packet arrival, a data size for uplink traffic for each time period associated with the XR session, a request to enable uplink transmission skipping, or any combinations thereof. A base station may provide one or more dynamic grants, configured grants, or proactive grants to a UE based on the uplink scheduling information.

This application provides an uplink resource configuration method. The method may be applied to user equipment that supports dual-SIM dual-active. In this method, after an uplink conflict occurs after uplink scheduling of a plurality of base stations is received, the user equipment that supports dual-SIM dual-active obtains a type of an uplink data packet of a service corresponding to each base station. When a current uplink data packet of a high-priority service is a padding package, the user equipment may preferentially allocate an uplink resource to a low-priority service to send an uplink data packet of the low-priority service, and does not allocate the uplink resource to the high-priority service.

The invention discloses a communication method and device based on channel quality, equipment and a storage medium. Comprising the following steps: acquiring a mode constraint corresponding to a current communication mode, and determining a final time slot aggregation level according to the mode constraint and a recommended time slot aggregation level; when it is determined that the PUSCH is in a non-data retransmission state, adding the final time slot aggregation level as a newly added field into a physical layer scheduling instruction; and generating an uplink scheduling message according to the physical layer scheduling instruction, and sending the uplink scheduling message to the terminal. The method comprises the following steps: measuring PUSCH channel quality to obtain a recommended time slot aggregation level, determining a final aggregation level in combination with a current mode constraint, and sending an actual aggregation level determined by referring to a constraint condition and a channel actual condition to a terminal as a newly added field in a physical layer scheduling instruction. Therefore, the terminal can dynamically perform aggregation transmission of the data according to the channel transmission quality, and the reliability of data transmission is ensured.

The invention provides a communication control method and device, communication equipment, a chip and a medium, and the method comprises the steps: determining an SR transmission type based on the time slot number of a scheduling request SR transmission period and the current TA, enabling different SR transmission types to correspond to different numbers of transmission opportunities, and transmitting the SR through employing the transmission opportunities corresponding to the SR transmission types. According to the scheme, the sending opportunity of the uplink scheduling request is selected based on the time slot number of the scheduling request SR sending period and the current TA, and the method and the device can be suitable for TDD and FDD.

A method for a terminal to transmit a signal in a wireless communication system according to at least one of the embodiments disclosed in the present specification may comprise the steps of: receiving downlink control information (DCI) for uplink scheduling; and performing non-codebook-based uplink transmission in a frequency band allocated through the DCI, wherein the DCI includes a first field providing information about L sounding reference signal (SRS) resources, M SRS resources are allocated for each sub-band of the frequency band on the basis of the rank of the uplink transmission being M, and the M SRS resources are allocated among the L SRS resources identified through the first field.

User equipment and base stations are disclosed. The user equipment comprises a transceiver, at least one processor, and a memory storing instructions that cause the at least one processor to perform operations including receiving uplink scheduling information of a plurality of sub-bands, performing carrier sensing on each of the plurality of sub-bands, determining a transmission frequency band for the uplink transmission based on the carrier sensing, the transmission frequency band including at least one idle sub-band among the plurality of sub-bands that is free for transmission, processing a baseband signal according to a number of sub-bands included in the determined transmission frequency band, shifting a frequency of the processed baseband signal based on a center frequency of the transmission frequency band, generating an RF signal of the adjusted baseband signal, and performing the uplink transmission for the generated RF signal to the base station.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may generate and transmit at least one TCP ACK message according to a delay timer. A duration for the delay timer may be based on a downlink data pattern associated with downlink data packets for the UE and an uplink scheduling pattern associated with uplink data packets for the UE. The UE may generate and transmit multiple TCP ACK message segments corresponding to the TCP ACK message based on the downlink data pattern and the uplink scheduling pattern. A TCP ACK message segment may correspond to feedback for a respective portion of the quantity of data. The UE may generate and transmit a TCP ACK message associated with the quantity of data based on a transmission blanking pattern.

The present disclosure relates to uplink transmission in TDD supporting feNB‑IOT operation. Implementations of a user equipment (UE), a next generation Node‑B (gNB), and a communication method are generally described herein. The UE may receive a narrowband physical downlink control channel (NPDCCH) including uplink scheduling parameters. The UE may determine an uplink scheduling delay for transmitting a narrowband physical uplink shared channel (NPUSCH) based on time division duplexing (TDD). The uplink scheduling delay may be based on the sum of a predetermined first number of subframes and a variable second number of subframes. The second number of subframes may be based on a variable-sized window, the window starting when the first number of subframes has passed since the NPDCCH was received, and ending when a certain number of uplink subframes has passed since the start of the window. The certain number of uplink subframes may be indicated by the uplink scheduling parameters.

Described herein is a User Equipment, UE, comprising: at least one processor, and at least one memory storing instructions that, when executed by the at least one processor, cause the UE at least to: determine a start time and an end time of a first time window comprising at least a second time window with uplink scheduling restrictions; and if, based on the determining, a time that remains before the start time of the first time window is equal to or smaller than a pre-configured time margin, perform triggering of a Delay Status Report, DSR.

The present application provides a communication method and a related device. In the method, a second device receives, from a first device, downlink control information (DCI) used to indicate whether the second device sends a first signal to a third device, wherein the first signal is a carrier signal or a data signal, and is used by the third device to report data. Alternatively, it is understood that the DCI is used to trigger whether the second device sends the first signal to the third device. On the basis of the solution, the second device may determine, by means of the DCI sent by the first device, whether to send the first signal to the third device, wherein the first signal is used by the third device to report data to the first device, so that uplink scheduling of the third device is implemented by means of the DCI and the first signal.

The embodiments of the present application relate to the technical field of communications. Provided are an NTN-based cell handover method, and a device. The method comprises: when a terminal device is handed over from a source NTN access network device to a target NTN access network device, the target NTN access network device reserving uplink resources for the terminal device at a specified location, and indicating the reserved uplink resources by means of a conditional handover start time, a first time domain length, and resource indication information. The terminal device finds uplink resources at a specified location by means of the conditional handover start time, the first time domain length, and the resource indication information, and uses the uplink resources at the specified location to send a message indicating completion of a cell handover, thereby significantly reducing resource waste caused by uplink resource reservation, and also avoiding a handover failure caused by the absence of uplink scheduling for the terminal device.

An embodiment of the present application provides a data transmission method and a communication device, wherein the data transmission method may include: when performing transmission of a first media access control protocol data unit (MAC PDU), starting a first timer for a hybrid automatic repeat request (HARQ) process associated with the first MAC PDU, wherein the duration of the first timer is determined based on the packet delay budget (PDB) duration of the first MAC PDU, and the uplink scheduling of the first MAC PDU is the uplink scheduling of the configuration authorization; before the first timer expires, the HARQ process is used to transmit the first MAC PDU. Using this application, transmission resources can be saved.