Abstract: Provided are a data transmission method and apparatus, a transmitter, a receiver and a storage medium. The method includes determining the number N of resource units and corresponding N resource units, where N is an integer greater than or equal to 1; acquiring M data blocks to be transmitted, M is an integer greater than or equal to 1, where each data block of the M data blocks includes information for indicating the number N of resource units and a position of at least one of the N resource units; and transmitting the M data blocks on the N resource units.

Abstract: This disclosure relates generally to wireless communications and, more particularly, to systems and methods for uplink signaling using blind channel estimation at a base station. In one embodiment, a method performed by a communication device, includes: associating a time slot with a data packet comprising a head portion and a tail portion, wherein the head portion comprises a communication device identifier and the tail portion comprises user data associated with the head portion; spreading the head portion into a first predetermined transmission format; spreading the tail portion into a second predetermined transmission format; and transmitting the spreaded head portion with the spreaded tail portion to a communication node, wherein the spreaded head portion comprises information to be used by the communication node for channel estimation and for decoding the tail portion to retrieve the user data.

Abstract: An adapter device, a feeder device, and an antenna are provided. The adapter device includes a coaxial cable, an air dielectric microstrip, a ground plane, and a non-flat metal part. An outer conductor of the coaxial cable is electrically connected to the non-flat metal part, the non-flat metal part and the ground plane form non-flat capacitive coupling, and an inner conductor of the coaxial cable is electrically connected to the air dielectric microstrip. The outer conductor of the coaxial cable is grounded.

Abstract: Methods, apparatus and systems for reference signal configuration in a wireless communication are disclosed. In one embodiment, a method performed by a wireless communication device is disclosed. The method comprises: generating a pilot signal occupying N symbol resources, wherein the pilot signal includes at least one most sparse reference signal (RS) port that is determined from a predetermined pool of most sparse RS ports, wherein the predetermined pool includes at least N most sparse RS ports, wherein N is an integer larger than one; and transmitting a signal comprising the pilot signal to a wireless communication node.

Abstract: Apparatus and methods for measuring surface topography are described. The analysis apparatus and methods detect light reflected from the reflective backside of a cantilever assembly including a tip, calculate a background level (BGL) value obtained from an optical scan of a reference sample using a power spectral density (PSD) value obtained from a topographical scan of a reference sample to generate a correlational coefficient between the BGL and the PSD values. The correlational coefficient between the BGL and PSD values is used to measure the BGL value of additional EUV mask blanks by a topographical scan of the EUV mask blanks using the same tip mounted to the cantilever.

Abstract: A pyrrolo[2,3-d]pyrimidine derivative targeting EGFR mutations, as well as the preparative method and the use thereof are provided. The derivative is a compound of formula I, or a salt thereof, or a stereoisomer thereof. It has low toxicity to normal cells and has a significant inhibitory effect on lung cancer cell lines, especially has good selectivity and significant inhibitory effect for EGFR-mutant HCC827 cells, against the phosphorylation of EGFR, and against mutant EGFR. It can be used to treat lung cancer, especially non-small cell lung cancer and can also be used to prepare tyrosine kinase inhibitors, especially the inhibitors of EGFR phosphorylation.

Abstract: Methods, systems, and devices for contention-based transmissions using differential coding techniques in mobile communication technology are described. An exemplary method for wireless communication includes transmitting, by a wireless device, a payload including a first portion that is modulated using a differential coding technique and a second portion that is modulated using an amplitude-shift keying (ASK) or phase-shift keying (PSK) modulation, and where the payload includes an identity of the wireless device and at least one of a user plane data or a control plane data.

Abstract: Provided are a signal processing method and apparatus, a first communication node, a second communication node, and a storage medium. The signal processing method includes acquiring N first sequences, combining the N first sequences to obtain a second sequence, and generating a signal according to the second sequence. N is an integer greater than or equal to 2.

Abstract: A data transmission method and apparatus, a first communication node, and a second communication node are provided. The method includes: acquiring data, wherein the data includes information of N pilots; and sending the data and the N pilots; wherein N is an integer greater than or equal to 1.

Abstract: Provided is a data processing method and apparatus, a first communication node, a second communication node and a storage medium. The data processing method includes: N first sequences are acquired; a second sequence is determined according to at least one first sequence of the N first sequences; a processing is performed on data based on the second sequence to obtain data symbols; and the N first sequences and the data symbols are sent; where N is an integer greater than or equal to 2.

Abstract: Disclosed are a reference signal processing method and apparatus, a first communication node, and a second communication node. The reference signal processing method may include: creating w sequences, wherein different first communication nodes do not all take a same value of w, and w is a positive integer; generating a reference signal based on the w sequences; and sending the reference signal and a data signal which corresponds to the reference signal.

Abstract: This disclosure relates to methods and devices for enabling access to a cell-free wireless communication network. The cell-free wireless communication network may include a plurality of access points and at least one central processing unit controlling the access points. In one implementation, the method may include obtaining an access assisting signal in an access assisting signal set. The access assisting signal set may include a plurality of access assisting signals that enable a user equipment to initially access to the cell-free wireless communication network. The method may include broadcasting the access assisting signal. The plurality of access points broadcast respective access assisting signals at a same time.

Abstract: Disclosed are a data processing method and apparatus, a device, a storage medium, and a processor. The data processing method includes: acquiring a first sequence, where the first sequence includes one of: a sequence obtained by processing a first specified element of a second sequence, or a sequence acquired from a first sequence set, and the first sequence set includes one of: a sequence set obtained by processing M sequence sets, or a preset first sequence set; and processing first data by using the first sequence, where M is an integer greater than or equal to 1.

Abstract: Provided are a partial pseudo-randomization processing method, a corresponding apparatus, a device and a storage medium. The method includes performing pseudo-randomization processing on part of N bits b1, b2, . . . , bN to generate new N bits d1, d2, . . . , dN; and encoding the d1, d2, . . . , dN.

Abstract: The present invention provides a high-throughput vapor deposition apparatus and a vapor deposition method. A rotary workbench (2) is located in a reaction chamber (1); a gas introduction device (3) is located in the reaction chamber (1) and above the rotary workbench (2); a plurality of through holes (31) is provided on the gas introduction device (3); a gas isolation structure (4) divides an upper chamber (11) into an isolation gas chamber (111) and a reaction gas chamber (112) which are isolated from each other; an isolation gas is introduced into the isolation gas chamber (111) via an isolation gas introduction channel (5), and a reaction gas is introduced into the reaction gas chamber (112) via a reaction gas introduction channel (6), for carrying out thin film deposition on an area of a substrate corresponding to the reaction gas chamber (112).

Abstract: Apparatus and methods for measuring surface topography are described. The analysis apparatus and methods detect light reflected from the reflective backside of a cantilever assembly including a tip, calculate a background level (BGL) value obtained from an optical scan of a reference sample using a power spectral density (PSD) value obtained from a topographical scan of a reference sample to generate a correlational coefficient between the BGL and the PSD values. The correlational coefficient between the BGL and PSD values is used to measure the BGL value of additional EUV mask blanks by a topographical scan of the EUV mask blanks using the same tip mounted to the cantilever.

Abstract: Apparatus and methods for measuring surface topography are described. The analysis apparatus and methods detect light reflected from the reflective backside of a cantilever assembly including a tip, calculate a background level (BGL) value obtained from an optical scan of a reference sample using a power spectral density (PSD) value obtained from a topographical scan of a reference sample to generate a correlational coefficient between the BGL and the PSD values. The correlational coefficient between the BGL and PSD values is used to measure the BGL value of additional EUV mask blanks by a topographical scan of the EUV mask blanks using the same tip mounted to the cantilever.

Abstract: An energy management method for a hybrid electric vehicle (HEV) includes: acquiring a state variable of an HEV; determining a speed of the HEV at a next moment by using a Markov model; according to a speed at a current moment and an acceleration at the current moment so that determining required power of the HEV at the next moment; determining battery power of the HEV according to the required power of the HEV at the next moment and engine power so that constructing a dynamic model for battery charging/discharging; determining energy costs of the HEV according to the required power at the next moment; constructing an energy optimization scheduling model of the HEV according to the energy costs; and determining an energy management model of the HEV according to the energy optimization scheduling model and the dynamic model for battery charging/discharging, to precisely manage energy of the HEV.

Abstract: A wireless communication method is provided to include: sending, by a user device, a first message to a network device in a wireless network to initiate a 2-step random access to the wireless network; and receiving, in response to the first message, a second message to perform the 2-step random access, the second message including a field indicating whether a transport block size of a payload of the second message is scaled.

Abstract: Systems and methods for determining a mapping that associates a plurality of preambles to a plurality of channel resource units used to carry a plurality of payloads associated with the plurality of preambles, including but not limited to, determining that the plurality of channel resource units is carrying the plurality of payloads, determining that a set of preambles of the plurality of preambles is associated with a same beam, and prioritizing mapping the set of preambles to reference signals of the plurality of channel resource units corresponding to different code division multiplexing (CDM) groups.