1616results about "Error prevention/detection by transmission repeat" patented technology

A method of a terminal may comprise: receiving, from a base station, DCI including a first field indicating HARQ-ACK retransmission and a second field indicating a priority; identifying first HARQ-ACK information having a priority identical to the priority indicated by the second field; and transmitting, to the base station, a first HARQ-ACK codebook including the first HARQ-ACK information based on the indication of the first field.

Provided are a communication device, a base station, and methods for a communication device and a base station. The communication device comprises a transceiver, which receives wireless signals. The communication device further comprises a circuitry which, in operation, (i) detects, in the received wireless signals, presence of a wake-up signal, WUS, (ii) based on the WUS, determines from the received wireless signals, wake-up information, and (iii) based on the wake-up information, determines to receive control information other than WUS and wake-up information.

This disclosure is generally directed to wireless communication systems and methods, and particularly relates to resource control for wireless transmission with repetitions based on subband full duplex. The various implementations concern determination of conditions under which the various repetitions of an uplink (or downlink) wireless transmission are allowed to be transmitted in a mixed manner across an uplink (or downlink) bandwidth part and an uplink (or downlink) subband within an otherwise downlink (or uplink) bandwidth part. Various mechanisms for determining resources for the transmission of the repetitions based on one or more resource identification fields in a resource control message for scheduling the wireless transmission are further disclosed. Such mechanisms provide consistent resource allocation between the repetitions transmitted in the mixed manner.

A base station and a user equipment (UE) may exchange messages to perform a Random Access Channel (RACH) procedure. The UE performs measurements on a plurality of signal synchronization blocks (SSBs), selects M physical random access channel (PRACH) groups based on one or more of the measured SSBs satisfying a predetermined threshold, provides the measurements for the M PRACH groups to a base station in an initial access transmission for a RACH procedure and monitors for a random access response (RAR) message based on a repetition number for the RAR message indicated by the base station.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a terminal in a wireless communication system includes receiving, from a base station, configuration information on an orthogonal cover code (OCC), identifying a transport block (TB) and multiple slots for a TB processing, based on the configuration information, applying a different OCC sequence to each repetition of the TB, and transmitting, to the base station, a physical uplink shared channel (PUSCH).

According to the large file uploading method and device, the electronic equipment and the storage medium provided by the invention, the operation environment parameters of the target client are collected, and the file uploading strategy containing the data block size, the concurrent transmission quantity and the retry mechanism is dynamically generated based on the parameters; meanwhile, according to the strategy, the file to be uploaded is divided into a plurality of data blocks and integrity verification is executed, the uploading state of each data block is persistently stored in the uploading process, and uploading of the uncompleted data blocks is recovered based on the uploading state after transmission interruption is detected. The problems that due to the fact that a fixed fragment size and a static concurrent strategy cannot adapt to different device performance and network environments, the uploading state is lost after page refreshing or browser restarting is caused by depending on browser cache, the verification efficiency is low, and uploading fails, resource utilization is not good, and uploading starting is delayed can be solved. The technical effects of improving the environmental adaptability, the resource utilization efficiency and the uploading success rate of Web cloud disk large file uploading are achieved.

A terminal includes a transmitter that transmits a second signal specifying a resource for an initial transmission of a first signal on a sidelink; and a controller that selects, reserves, or pre-reserves a resource for the initial transmission of the first signal on the sidelink and at least one of one or more resources for one or more retransmissions of the first signal on the sidelink.

This UE can: transmit, on the basis of a configured grant, a physical uplink shared channel (PUSCH) including a transport block; and determine, on the basis of whether a packet delay budget of the transport block has expired, whether retransmission is performed according to a downlink control information (DCI) format if the DCI format related to the transport block is received.

Wireless communications systems and methods related to determining physical uplink shared channels (PUSCHs) for communicating in a configured grant resource are provided. A first communication device determines a PUSCH opportunity set including one or more PUSCH opportunities for communicating in a configured grant resource. The first wireless communication device communicates, with a second wireless communication device, a communication based on the determined PUSCH opportunity set.

The present invention relates to a wireless communication system, in which a terminal comprises a transceiver and a processor that controls the transceiver, wherein the processor may: receive first information indicating whether a first slot includes a subband for uplink transmission; receive second information indicating whether a second slot includes the subband for uplink transmission; and perform repetition transmission of a physical uplink shared channel (PUSCH) on the first slot and the second slot, wherein the first slot includes the subband for uplink transmission, and the second slot does not include the subband for uplink transmission.

Methods and apparatuses are provided in a wireless communication system. Configuration information regarding a hybrid automatic repeat and request-acknowledgement (HARQ-ACK) retransmission is received from a base station (BS) via higher layer signaling. Downlink control information (DCI) is received from the BS. An offset for the HARQ-ACK retransmission is identified as a value of a modulation and coding scheme (MCS) field included in the DCI, based on the configuration information. The HARQ-ACK retransmission is performed on a slot identified based on the offset.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling that indicates an orthogonal cover coding (OCC) codeword assigned to the UE and an OCC factor. The UE may receive an uplink grant that allocates, to the UE, uplink resources over a series of uplink time units for a quantity of repetitions of a transmission block. The UE may subsequently use the assigned OCC codeword to transmit each repetition of the quantity of repetitions of the transmission block over a quantity of uplink time units of the series of uplink time units, where a function of the quantity of uplink time units and the quantity of repetitions satisfies a threshold, and where the quantity of uplink time units is greater than or equal to the OCC factor.

An alert broadcast system can receive a first alert message indicating an emergency from an alert management system. The first alert message generated by an emergency alert originator can include a unique identifier associated with the emergency. The alert broadcast system can forward the first alert message to a first group of wireless devices and cause each of the first group of wireless devices to temporarily store the unique identifier. The alert broadcast system can receive a second alert message, including the unique identifier from the alert management system. The alert broadcast system can forward the second alert message to a second group of wireless devices. The respective wireless device can perform an action based on a determination that the respective wireless device has received the first alert message prior to receiving the second alert message and that the second alert message is partly duplicative of the first alert message.

A method performed by a first wireless access point for coordinating a multi-access point transmission in a wireless network of multiple access points includes receiving an indication of a transmit opportunity for the first wireless access point, transmitting at least one indication frame to the multiple access points comprising information related to the transmit opportunity, receiving at least one request frame from one or more access points of the multiple access points indicating participation with the transmit opportunity, and transmitting a trigger frame to the one or more access points that indicated participation with the transmit opportunity, wherein the trigger frame comprises information indicating respective power levels for the participating access points. The shared transmit opportunity may then be used to transmit downlink data to associated stations of the first wireless access point and the other participating access points during the transmit opportunity.

The invention discloses a satellite-borne equipment embedded system software on-orbit reconstruction method and a satellite-borne equipment embedded system. The method comprises the following steps: partitioning a FLASH memory of a microcontroller of satellite-borne equipment into a region, a BootLoader boot program region and an application program storage region; an independent BootLoader bootstrap program is solidified in the BootLoader bootstrap program area in advance; receiving a program file subpackage from a satellite service computer during on-orbit operation; a two-stage reliable transmission protocol including sequential receiving and packet supplementing receiving is adopted to receive a program file, wrong and missing packets are received and dynamically recorded in the sequential receiving stage, and only the wrong and missing packets are selectively retransmitted in the packet supplementing receiving stage; according to an instruction of the satellite service computer, the received complete program file is verified, the program file is written into the application program storage area after passing the verification, updating is completed, the BootLoader bootstrap program jumps to the updated application program, and on-orbit reconstruction is completed.

Disclosed are a method and a device for uplink transmission and reception in a wireless communication system. A method performed by a wireless communication system according to an embodiment of the present disclosure may comprise the steps of: receiving, from a base station, first configuration information related to physical random-access channel (PRACH) preamble repeated transmission; and performing first PRACH preamble repeated transmission in first multiple random-access channel occasions (ROs) one basis of the first configuration information, wherein a power of the first PRACH preamble repeated transmission performed across the first multiple ROs is based on a first reference signal (RS) for acquiring of a path-loss value, and transmission power ramping is not be applied within the first multiple ROs.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, configuration information indicating that network coding is enabled for initial transmissions associated with a multicast / broadcast service (MBS) and indicating that network coding is enabled for retransmissions associated with the MBS. The UE may receive, via a multicast traffic channel or a dedicated traffic channel, an initial transmission associated with the MBS, wherein the initial transmission is associated with a first set of encoded packets. The UE may transmit a radio link control (RLC) status feedback message associated with the initial transmission. The UE may receive, via the multicast traffic channel or the dedicated traffic channel, a retransmission associated with the initial transmission, wherein the retransmission is associated with a second set of encoded packets. Numerous other aspects are described.

A method can include receiving, by a wireless device, one or more configuration parameters indicating a synchronization signal block (SSB). The method can also include determining, based on a received signal power of the SSB, a number of repetitions of a preamble for a random access procedure. The method can further include determining a gap between a first symbol of a first repetition, of the number of repetitions, of the preamble in a first slot and a second symbol of a second repetition, of the number of repetitions, of the preamble in a second slot to be less than a first number of symbols. The method can additionally include foregoing, skipping, omitting, or otherwise not transmitting the second repetition of the preamble based on determining the gap to be less than the first number of symbols.

A method can include receiving, by a wireless device, configuration parameters of a bearer of the wireless device. The configuration parameters can include a first indication that duplication of packets associated with a first protocol data unit (PDU) set of the bearer is configured. The configuration parameters can also include a second indication that duplication of packets associated with a second PDU set of the bearer is configured. The method can also include receiving a medium access control control element (MAC CE). The MAC CE can include a first control field indicating the duplication of packets associated with the first PDU set being activated. The MAC CE can also include a second control field indicating the duplication of packets associated with the second PDU set being deactivated. The method can further include communicating packets of the bearer based on the MAC CE.

A method and a device for communicating in a wireless communication system are disclosed. The method according to one embodiment of the present disclosure may comprise steps in which a device: transmits a device-to-reader (D2R) preamble to a reader device; and repeatedly transmits, to the reader, a physical device-to-reader channel (PDRCH) subsequent to the D2R preamble.

A common PDSCH repetition transmission indication method includes: determining, by a terminal, a number of repetition transmissions for first downlink transmission based on first indication information, where the first indication information is used to indicate at least one number of repetition transmissions, and the first downlink transmission is common PDSCH repetition transmission.

The disclosure relates to a communication technique for fusing a 5G communication system with IoT technology to support higher data rate after the 4G system and a system thereof. The disclosure may be applied to an intelligent service (e.g., smart home, smart building, smart city, smart or connected car, healthcare, digital education, retail, security and safety related services, etc.) based on 5G communication technology and IoT-related technology. The disclosure discloses a method for allowing a UE to normally receive a MBS service in various scenarios.

Aspects are provided that allow a UE to perform DMRS bundling in PUSCH repetitions in response to a configuration from a base station indicating or enabling the UE to perform the DMRS bundling. The UE receives a configuration from a base station indicating to bundle DMRS in repetitions of an uplink data channel transmission for joint channel estimation. The UE determines a DMRS bundling window based on the configuration. The UE transmits the bundled DMRS in the DMRS bundling window. The base station performs the joint channel estimation based on the bundled DMRS. Improved link quality between the UE and base station and signal gains may accordingly result from applying DMRS bundling over multiple repetitions of PUSCH transmissions.

Disclosed are methods, systems, and computer-readable medium to perform operations including: generating a mapping pattern that comprises a length-4 frequency division orthogonal cover code (FD-OCC4), the mapping pattern for mapping demodulation reference signals (DMRS) in frequency to a plurality of resource elements in at least one orthogonal frequency-division multiplexing (OFDM) symbol, wherein the DMRS are associated with a plurality of DMRS ports; mapping, using the FD-OCC4, the DMRS to the plurality of resource elements in the at least one OFDM symbol; and transmitting a transmission comprising the at least one OFDM symbol.

A communication system includes a target unit provided in a vehicle and including at least one target unit processor and at least one target unit memory coupled to each other; and a communication tool coupled to the target unit for bidirectional communication and including at least one communication tool processor and at least one communication tool memory coupled to each other. The communication tool processor transmits certain information including first certain data and a first padding value to the target unit. The target unit processor determines whether the first padding value matches a preset specific padding value, and transmits abnormality information to the communication tool when the first padding value does not match the specific padding value. Upon receiving the abnormality information, the communication tool processor transmits the certain information including the first certain data and a second padding value different from the first padding value to the target unit.

Systems and methods for reliable Channel State Information (CSI) feedback towards multiple Transmission / Reception Points (TRPs) are provided. In some embodiments, a wireless device receives a configuration for one or more of: Semi-Persistent CSI (SP-CSI) reporting on PUCCH comprising a first PUCCH resource; SP-CSI reporting on PUSCH comprising a reporting periodicity and slot offset; and periodic CSI reporting on PUCCH comprising a second PUCCH resource activated with a third and a fourth spatial relations or uplink TCI states, and a reporting periodicity and slot offset. The wireless device also receives an appropriate activation command and transmits SP-CSI in a PUCCH resource; a periodic CSI in a PUCCH resource; and / or a SP-CSI in a PUSCH resource. In this way, reliability of SP-CSI on PUSCH, or SP-CSI on PUCCH, or periodic CSI on PUCCH can be improved by repeating the SP-CSI or periodic CSI over multiple TRPs.