Abstract: Embodiments of the present disclosure provide methods performed by a terminal device. Such methods include transmitting multiple preambles on different transmission chains of the terminal device to a network node of the wireless communication system. The multiple preambles are associated with a single synchronization signal and physical broadcast channel block (SSB) or with different SSBs. Different conditions apply depending on whether the multiple preambles are associated with the single SSB or the different SSBs, and depending on whether the single SSB or different SSBs map to a single random access channel occasion (RO) or to multiple frequency-division multiplexed (FDM) ROs. Other embodiments include terminal devices configured to perform such methods, as well as network nodes configured to perform operations complementary to such methods.

Abstract: Various embodiments of the present disclosure provide a method for random access. The method which may be performed by a terminal device comprises determining whether the terminal device is capable of reporting channel state information to a network node in a random access procedure. In accordance with an exemplary embodiment, the method further comprises transmitting an uplink message to the network node in the random access procedure to indicate a result of the determination.

Abstract: The present disclosure is related to a UE, a network node, and methods for CE RA signaling and configuring. A method at a UE for performing an RA procedure comprises: receiving, from a network node, one or more parameters; and determining, based on at least the one or more parameters, at least one of: a first number of PRACH transmissions; a second number of PUSCH transmissions scheduled by a RAR associated with the RA procedure; and a third number of MsgA PUSCH transmissions.

Abstract: A transistor assembly with gate current shunting capability includes first field effect transistor (FET), a first pull-up current source, a first pull-down current source, a first switching device, a control circuit, a capacitor, and a second FET. The first FET is an N-channel FET including a first gate, a first drain, and a first source. The first drain is electrically coupled to a first power supply. Each of the pull-up current source and the pull-down current source is electrically coupled to the first gate. The first switching device is electrically coupled in series with the first pull-down current source and is controlled by a first control signal. The control circuit is at least partially powered by a second power supply and generates the first control signal. The capacitor and the second FET collectively shunt current away from the first gate during a pre-power operating state of the transistor assembly.

Abstract: Embodiments of the present disclosure provide methods and apparatus for transmitting CSI report. For example, a first aspect of the present disclosure provides a method performed at a terminal device, including: transmitting a first CSI report; transmitting a second CSI report; wherein at least a portion of the second CSI report is obtained based on the first CSI report. For example, a second aspect of the present disclosure provides a method performed at a terminal device, including: transmitting a first CSI report; and transmitting, to a network node, a change indicator about whether at least a portion of the first CSI report changes. According to embodiments of the present disclosure, the success rate of transmitting a CSI report may be improved and the payload for transmitting a CSI report may be reduced.

Abstract: Embodiments of the present disclosure provide methods and apparatuses for random access procedure. A method performed by a terminal device comprises transmitting multiple preambles on different transmission chains of the terminal device to a network node. The multiple preambles are associated with a same or different synchronization signal and physical broadcast channel block (SSB).

Abstract: During a random access (“RA”) procedure associated with a network node of a new radio (“NR”) communications network, a communication device can determine information associated with at least one of the communication device and a channel between the communication device and the network node. The communication device can further determine a number of physical RA channel (“PRACH”) transmissions to transmit to the network node prior to receiving a random access response as part of the RA procedure based on the information. The communication device can further transmit the number of PRACH transmissions to the network node as part of the RA procedure.

Abstract: A method, system and apparatus are disclosed. A method implemented in a user equipment, UE, is provided. A physical random access channel, PRACH, transmission is triggered based on at least one condition being met. The PRACH transmission is performed according to a power level, where the power level is based on a first power reduction value associated with a power management maximum power reduction, P-MPR, and the first power reduction value is less than a second power reduction value of a power reduction applied to an uplink transmission other than the PRACH transmission.

Abstract: Various embodiments of the present disclosure provide a method for random access. The method which may be performed by a terminal device comprises determining whether the terminal device is capable of reporting channel state information to a network node in a random access procedure. In accordance with an exemplary embodiment, the method further comprises transmitting an uplink message to the network node in the random access procedure to indicate a result of the determination.

Abstract: The present disclosure provides a method in a network device. The method includes: determining a configuration for a terminal device to transmit a Transmission Block, TB, the configuration indicating at least a transmission mode in which a single TB is allowed to be transmitted over more than one slot; transmitting the configuration to the terminal device; and receiving the TB that is transmitted from the terminal device according to the configuration.

Abstract: Methods and apparatuses for uplink transmission are disclosed. A terminal device receives, from a base station, a signaling about whether and/or how to perform coherent transmissions over time. The terminal device transmits, based on the received signaling, a first signal on a physical channel in a first time instant in a first set of subcarriers. The terminal device transmits, based on the received signaling, a second signal on the physical channel in a second time instant in a second set of subcarriers. The transmission in the first time instant and the transmission in the second time instant are coherent with each other.

Abstract: Embodiments of the present disclosure provide methods, apparatus and computer program products for transmitting and receiving an uplink signal on physical control channel. A method comprises: determining that a terminal device has a capability of transmitting the uplink signal on physical control channel in at least a first time instant and a second time instant coherently; performing a first transmission of the uplink signal on physical control channel in the first time instant in a first set of subcarriers; and performing a second transmission of the uplink signal on physical control channel in the second time instant in a second set of subcarriers.

Abstract: The disclosure discloses a transmission system capable of implementing four-wheel drive and an operating model thereof. The transmission system includes an odd shift motor, an even shift motor, a front-wheel drive shaft, a rear-wheel drive shaft, a front-wheel output shaft gear disposed on the front-wheel drive shaft, and a rear-wheel output shaft gear disposed on the rear-wheel drive shaft. The front-wheel output shaft gear and the rear-wheel output shaft gear are connected by a front/rear drive shaft coupling sleeve. In the disclosure, coordinated control of two motors allows the motors to operate with high efficiency to the maximum, which improves the efficiency of the transmission system. A four-wheel drive model and a two-wheel drive model are implemented through the coordinated control of two motors. Moreover, in the disclosure, sensor information is used to synchronously control a rotational speed during gear shift, which can reduce the impact during the gear shift.

Abstract: Provided herein are methods of determining loss of heterozygosity in human leukocyte antigen in liquid biopsies and applications thereof in cancer treatment.

Abstract: A video encoding system in which pixel data is decomposed into frequency bands prior to encoding. The frequency bands are organized into blocks that are provided to a block-based encoder that encodes the blocks and passes the encoded blocks to a wireless interface that packetizes the blocks for transmittal over a wireless connection. The encoder may categorize the encoded frequency bands into multiple priority levels, and may tag each frequency block with metadata indicating the frequency band represented in the block, the priority of the frequency band, and timing information. The wireless interface may then transmit or drop packets according to the priority levels of the encoded frequency blocks in the packets and/or according to the timing information of the frequency blocks in the packets.

Abstract: According to some embodiments, a method performed by a wireless device for transmitting multiple layers of an uplink physical channel comprises transmitting to a network node an indication of a capability to operate according to a first mode of operation and a second mode of operation. In the first mode a codebook subset comprises precoding matrices with at most one non-zero elements per column, and in the second mode the codebook subset comprises precoding matrices with at most two non-zero elements per column. The codebook subset is in a codebook for use when transform precoding of a physical channel is disabled. The method further comprises receiving a configuration from the network node for a selected mode of operation, and transmitting the physical channel using transform precoding and, at least when transmitting with two layers, using the codebook subset comprising the precoding matrices of the selected mode.

Abstract: The disclosure discloses a transmission system capable of implementing four-wheel drive and an operating model thereof. The transmission system includes an odd shift motor, an even shift motor, a front-wheel drive shaft, a rear-wheel drive shaft, a front-wheel output shaft gear disposed on the front-wheel drive shaft, and a rear-wheel output shaft gear disposed on the rear-wheel drive shaft. The front-wheel output shaft gear and the rear-wheel output shaft gear are connected by a front/rear drive shaft coupling sleeve. In the disclosure, coordinated control of two motors allows the motors to operate with high efficiency to the maximum, which improves the efficiency of the transmission system. A four-wheel drive model and a two-wheel drive model are implemented through the coordinated control of two motors. Moreover, in the disclosure, sensor information is used to synchronously control a rotational speed during gear shift, which can reduce the impact during the gear shift.

Abstract: Various embodiments of the present disclosure provide a method for TBoMS transmission. The method which may be performed by a terminal device comprises encoding with low density parity check (LDPC) base graph on each code block (CB) of a Transport Block over Multiple Slots (TboMS), wherein the TBoMS comprises multiple slots; and performing rate matching on the LDPC code for each of the multiple slots of the TBoMS, wherein a time unit of the rate matching is per slot in the TBoMS, and wherein the TBoMS comprises one or more CBs.

Abstract: A mixed reality system that includes a device and a base station that communicate via a wireless connection The device may include sensors that collect information about the user's environment and about the user. The information collected by the sensors may be transmitted to the base station via the wireless connection. The base station renders frames or slices based at least in part on the sensor information received from the device, encodes the frames or slices, and transmits the compressed frames or slices to the device for decoding and display. The base station may provide more computing power than conventional stand-alone systems, and the wireless connection does not tether the device to the base station as in conventional tethered systems. The system may implement methods and apparatus to maintain a target frame rate through the wireless link and to minimize latency in frame rendering, transmittal, and display.

Abstract: Systems and methods are disclosed for frequency hopping schemes that are compatible with joint channel estimation. In one embodiment, a method implemented in a User Equipment (UE) comprises determining a value of a hopping index for a first set of N consecutive slots, wherein the N is an integer greater than 1, and after the N consecutive slots, incrementing the value of the hopping index for a second set of N consecutive slots. The method further comprises, for an uplink slot within the second set of N consecutive slots, determining a set of physical resource blocks (PRBs) in which to transmit a physical channel from a set of frequency offsets according to the value of the hopping index for the second set of slots and transmitting the physical uplink channel in the selected set of PRBs in the uplink slot.