Abstract: A linear amplifier of an envelope tracking supply modulator includes a pre-driver stage circuit and an output stage circuit. The pre-driver stage circuit receives an envelope input, and generates a pre-driver output according to the envelope input. The output stage circuit receives the pre-driver output, and generates an amplifier output according to the pre-driver output. The amplifier output is involved in setting a modulated supply voltage of a power amplifier. The output stage circuit has a plurality of amplifiers, including a first amplifier and a second amplifier. When the power amplifier has a first output power level, the first amplifier is involved in setting the amplifier output, and the second amplifier is not involved in setting the amplifier output. When the power amplifier has a second output power level different from the first output power level, the first amplifier and the second amplifier are involved in setting the amplifier output.

Abstract: A reconfigurable crystal oscillator and a method for reconfiguring a crystal oscillator are provided. The reconfigurable crystal oscillator includes a transconductance circuit, a feedback resistor, a crystal tank, an input-end capacitor and an output-end capacitor. Both of the feedback resistor and the crystal tank are coupled between an input terminal and an output terminal of the transconductance circuit. The input-end capacitor is coupled to the input terminal of the transconductance circuit, and the output-end capacitor is coupled to the output terminal of the transconductance circuit. In particular, the transconductance circuit is configured to provide a transconductance, and when an operation mode of the reconfigurable crystal oscillator is switched, an input-end capacitance of the input-end capacitor and an output-end capacitance of the output-end capacitor are switched, respectively.

Abstract: Various solutions for random access channel (RACH) preamble design in non-terrestrial network (NTN) communications with respect to user equipment and network apparatus are described. An apparatus may initiate a RACH procedure. The apparatus may determine a fractional frequency offset pattern or a cover code across groups of preamble sequences. The apparatus may generate a RACH preamble signal according to at least one of the fractional frequency offset pattern and the cover code. The apparatus may transmit the RACH preamble signal to a network node.

Abstract: A radio frequency (RF) communication assembly includes an RF communication circuit and a compensator apparatus. The compensator apparatus receives an input including an I-component of a pre-compensated signal, a Q-component of the pre-compensated signal, and encoded operating conditions of the RF communication circuit. The RF communication circuit includes RF circuit components causing signal impairments. The compensator apparatus perform neural network computing on the input, and the RF communication assembly generates a compensated output signal that compensates for at least a portion of the signal impairments.

Abstract: A bluetooth communication method includes: a first communication device establishing bluetooth connection with a second communication device, wherein the first communication device is configured to execute multiple tasks; the first communication device communicating with the second communication device through the bluetooth connection, to allocate at least one task of the multiple tasks to the second communication device for execution; and the first communication device receiving an execution result of the at least one task from the second communication device through the bluetooth connection.

Abstract: A method of two-stage sidelink control information (SCI) can include receiving a transport block, and transmitting from a transmission user equipment (Tx UE) to a reception user equipment (Rx UE) the transport block with two-stage SCI including a 1st-stage SCI and a 2nd-stage SCI. The 1st-stage SCI can be transmitted over a physical sidelink control channel (PSCCH). The 2nd-stage SCI and the transport block can share resources of a physical sidelink shared channel (PSSCH). The 2nd-stage SCI and the transport block can share a demodulation reference signal (DMRS).

Abstract: A method of two-stage sidelink control information (SCI) for sidelink transmission is described. In one novel aspect, the SCI is transmitted from a transmission UE (Tx UE) to a reception UE (Rx UE) in two stages. In one embodiment, the 1st-stage SCI carries information related to channel sensing, and is transmitted over a physical sidelink control channel (PSCCH). The 2nd-stage SCI is transmitted over a physical sidelink shared channel (PSSCH) associated with the PSCCH. In one embodiment, the first-stage SCI includes priority information or information of time-frequency resources for the SL transmission. In another embodiment, the first-stage SCI indicates time-frequency location of the second-stage SCI.

Abstract: A method for managing inter-radio access technology (inter-RAT) capability of a user equipment (UE) includes: receiving system information broadcasted from a public land mobile network (PLMN), wherein the system information is indicative of a disaster condition of the PLMN, and the UE is currently camps on a first RAT of the PLMN; and in response to receiving the system information, performing a PLMN search operation to camp on a second RAT of the PLMN, and performing an inter-RAT management operation to prevent the UE from transiting to the first RAT of the PLMN.

Abstract: A method for adaptively adjusting state transition time in a Peripheral Component Interconnect (PCI) Express (PCIe) system and associated apparatus such as a root complex (RC) device and an endpoint device are provided. The method may include: toggling a clock request signal on a signal path coupled between the RC device and the endpoint device based on a request from the RC device or on a request from the endpoint device, wherein when the clock request signal toggles, the endpoint device transits from a first state to a second state; and toggling a reference clock signal from the RC device at a timing determined according to a training parameter among at least one predetermined parameter which is set dependent on at least one of the factors: a transition time, a restoration delay, a latency tolerance report (LTR) and a bias state, after the clock request signal toggles.

Abstract: A semiconductor package includes a package substrate, an interposer on and electrically connected to the package substrate, a central logic die disposed on and electrically connected to the interposer, peripheral function dies disposed on and electrically connected to the interposer and located in proximity to the central logic die, and at least one dummy die disposed between the central logic die and the peripheral function dies so as to form a rectangular shaped die arrangement. The at least one dummy die is disposed at a corner position of the rectangular shaped die arrangement.

Abstract: A data sending control method includes acquiring log data of a plurality of log sources by a log classifier module, acquiring a plurality of system conditions by a priority decision maker module, generating log source priority information by the priority decision maker module according to the plurality of system conditions, dispatching the log data of the plurality of log sources to at least one corresponding data block in a priority queue by the log classifier module according to the log source priority information and queue priority information, periodically scanning the priority queue, allocating the log data of the at least one corresponding data block to a transmitting queue by a log sending scheduler module, and outputting the allocated log data buffered in the transmitting queue.

Abstract: A computing system includes a memory, an MPU, and a processor. The MPU is arranged to: receive permission information of the memory; and perform a protection operation through a dynamic firewall. The processor is arranged to execute a root manager and a hypervisor. The root manager is arranged to provide the permission information to the MPU. The hypervisor is arranged to: receive the permission information from the MPU; set the dynamic firewall according to the permission information; and provide the dynamic firewall to the MPU.

Abstract: A radio frequency (RF) front-end circuit of a wireless communication device is provided. The RF front-end circuit includes a receiving amplifier, a down-converter, an up-converter, a transmitting amplifier and an output driver, where the receiving amplifier and the down-converter are configured to process received signals according to a local oscillation (LO) signal, and the up-converter, the transmitting amplifier and the output driver are configured to process transmitted signals according to the LO signal. The receiving amplifier, the up-converter or the transmitting amplifier includes a transformer load. The transformer load includes a switchable inductor. When the wireless communication device operates in a first mode, the LO signal has a first frequency, and the switchable inductor has a first inductance. When the wireless communication device operates in a second mode, the LO signal has a second frequency, and the switchable inductor has a second inductance.

Abstract: A flip chip ball grid array package includes a package substrate and a flip chip device mounted on a top surface of the package substrate. The flip chip device includes a semiconductor integrated circuit die; an epoxy molding compound encapsulating vertical sidewalls of the semiconductor integrated circuit die; a re-distribution layer structure disposed on an active surface of the semiconductor integrated circuit die and on a lower surface of the epoxy molding compound; a sintered nanosilver layer disposed on a passive rear surface of the semiconductor integrated circuit die and on an upper surface of the epoxy molding compound; and a stiffener ring mounted around the flip chip device on the package substrate.

Abstract: A layout routing method includes determining a routing pattern according to a swapping rule, a via pattern, area constraints and pin locations; optimizing swapping in differential pairs according to the routing pattern; extracting features of each routing net to obtain extracted features; using an unsupervised algorithm to generate different routing groups according to the extracted features; and determining a routing order of the routing groups according to complex features of the routing groups.

Abstract: A virtual machine (VM) operating system (OS) configuration system includes a processor, wherein the processor is arranged to execute a host VM, a hypervisor, a root module, and a guest VM. The host VM is arranged to generate a driving signal for driving a booting of a guest VM. The hypervisor is arranged to generate a first trigger signal according to the driving signal, for triggering verification of a descriptor. The root module is arranged to verify the descriptor according to the first trigger signal to generate a verified descriptor, and store the verified descriptor in a protected memory, wherein an OS of the guest VM is configured according to the verified descriptor.

Abstract: The present invention provides a wireless communication method of an access point. The wireless communication method comprises the steps of: establishing a cache table comprising a plurality of reference MAC and corresponding PMKs and reference PMKIDs; receiving an association request from a station; reading a MAC address of the station and a PMKID from the association request; if the MAC address of the station and the PMKID do not match items of the cache table, performing a calculation on the PMKID to obtain an original PMKID; determining if the original PMKID matches any one of the reference PMKIDs within the cache table; and if the original PMKID matches one reference PMKID within the cache table, determining that the reference MAC recorded in the cache table and the MAC address belong to the same station.

Abstract: A down-sample video coding system is provided. A decoding system receives to be decoded data from a bitstream for one or more pictures of a video. Each picture includes pixels having different color components. The decoding system receives up-down-sampling parameters that are applicable to a current video unit in the received data. The up-down-sampling parameters include different subsets for different color components. The decoding system decodes the data to reconstruct the current video unit. The decoding system up-samples the reconstructed current video unit according to the up-down-sampling parameters. The different color components of the current video unit are up-sampled according to different subsets of the up-down-sampling parameters.

Abstract: A method for updating an associated ID (AID) in a network when a Basic Service Set (BSS) color change occurs is provided. The network includes an Access Point (AP) and a plurality of associated stations (STAs). The method includes: detecting a color collision; setting a new BSS color in response to the color collision; configuring an AID update request frame, wherein an updated AID according to the new BSS color is inserted into a subElement Information Element (IE) field of the AID update request frame; and sending the AID update request frame to the plurality of associated STAs to inform the associated STAs of the updated AID.

Abstract: Described herein are phased array and transceiver systems with distortion measurement circuitry configured to obtain distortion measurements of system transmitters and provide the distortion measurements to receive beamforming components of the system. Such systems advantageously make use of existing beamforming components of the system to additionally route distortion measurements for baseband DPD processing. Such systems may not need external components to measure signals radiated by antennas of the system or dedicated paths linking system transmitters directly to a baseband processor. In some embodiments, receive beamforming components may be configured to sum distortion measurements from each transmitter to create an aggregate distortion measurement usable as representative of the average transmitter for DPD processing.