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: This disclosure relates to methods and devices for configuring guard subcarriers in transmission subbands to reduce interband interference in a wireless communication network. In one implementation, the method may include determining that a first subcarrier spacing for a first radio frequency transmission band is less than a second subcarrier spacing for a second radio frequency transmission band, and the first radio frequency transmission band is close to the second radio frequency transmission band in frequency spectrum. The method may further include configuring a subcarrier of the first radio frequency transmission band as a guard subcarrier carrying dummy data when the first radio frequency transmission band and the second radio frequency transmission band are simultaneously used to transmit data loads.

Abstract: A data modulation method, a communication device and a storage medium are disclosed. The data modulation method includes: performing a preset modulation operation on B consecutive data blocks, and configuring the B consecutive data blocks to have a same head-end reference signal sequence and/or a same tail-end reference signal sequence; inserting Z zeros between adjacent time domain data of the B consecutive data blocks; performing a filtering operation on the B consecutive data blocks into which Z zeros have been inserted, and transmitting the filtered data on a physical resource, where B is greater than or equal to 2 (i.e., B?2), and Z is greater than or equal to 0 (i.e., Z?0).

Abstract: A data transmission method includes transmitting to-be-transmitted data in N frequency domain resource blocks, where each of the N frequency domain resource blocks includes K(n) subcarriers, where n=1, 2, . . . , N, N is greater than or equal to 1, and K(n) is greater than or equal to 1; performing inverse Fourier transform and an upsampling operation on the to-be-transmitted data in each of the N frequency domain resource blocks to form N groups of data sequences; and transmitting the N groups of data sequences.

Abstract: Provided are a data modulation method and apparatus, a device, and a storage medium. The method includes: a modulation manner is configured, and data is modulated by using the modulation manner. That the constellation point modulation symbol of the modulation manner is formed by combining the first group of constellation point modulation symbols and the second group of constellation point modulation symbols includes: adjusting a phase of the second group of constellation point modulation symbols based on a phase of the first group of constellation point modulation symbols; and forming, based on a combination of the first group of and adjusted second group of constellation point modulation symbols, the constellation point modulation symbol of the modulation manner.

Abstract: A method and an apparatus for determining a timing advance, and a device and a non-transitory computer-readable storage medium. The method may include: obtaining, by a terminal device, timing advance (TA) list information, where the TA list information is sent to the terminal device by a base station or is configured by default to be stored in the terminal device, and the TA list information indicates at least one TA list, each TA list including at least one TA value; obtaining, by the terminal device, a target TA value according to the TA list information; and adjusting, by the terminal device, a TA for uplink channel transmission using the target TA value.

Abstract: Provided are a communication method and device and a storage medium. The communication method applied to a first communication node includes determining a first-type subcarrier set and a second-type subcarrier set, where each first-type subcarrier in the first-type subcarrier set is in a same resource block as at least one second-type subcarrier in the second-type subcarrier set, a first-type subcarrier in the first-type subcarrier set is configured for transmission of communication information and sensing information, and a second-type subcarrier in the second-type subcarrier set is configured for the transmission of the communication information; and sending the first-type subcarrier set and the second-type subcarrier set to a second communication node.

Abstract: Methods, systems, and devices related to digital wireless communication, and more specifically, to techniques related to operating an access network with multiple domains. In an example embodiment, a method for wireless communication can include receiving, at a physical resource group control function, a first message on a service-based interface provided by the physical resource group control function. The method may also include, in response to receiving the first message, transmitting, by the physical resource group control function, a second message on the service-based interface provided by the physical resource group control function.

Abstract: Provided are an information feedback method and apparatus, an information receiving method and apparatus, a device, and a storage medium. The information feedback includes the following: a second node configures a report configuration and sends the report configuration to a first node; the first node receives the report configuration sent by the second node and determines channel state information according to the report configuration, where the channel state information includes a reference signal, and the reference signal satisfies a grouping criterion associated with the report configuration; the channel state information is fed back to the second node through a report instance; and the second node receives the channel state information fed back by the first node through the report instance.

Abstract: Disclosed are a signal sending method, a signal receiving method, an electronic device, and a storage medium. The signal sending method includes generating a first transmission signal, where the first transmission signal includes a communication signal and a sensing signal and at least two periodic repetitions of the sensing signal exist within the time period of each orthogonal frequency-division multiplexing symbol in the time domain, and sending the first transmission signal.

Abstract: A data modulation method, a communication device and a storage medium are disclosed. The data modulation method includes, performing a preset modulation operation on B consecutive data blocks, and configuring the B consecutive data blocks to have a same head-end reference signal sequence and/or a same tail-end reference signal sequence, inserting Z zeros between adjacent time domain data of the B consecutive data blocks; performing a filtering operation on the B consecutive data blocks into which Z zeros have been inserted, and transmitting the filtered data on a physical resource, where B is greater than or equal to 2 (i.e., B?2), and Z is greater than or equal to 0 (i.e., Z?0).

Abstract: Methods, apparatus, and systems for increasing spectral efficiency for transmissions with different numerologies. In one example aspect, a wireless communication method. The method includes operating, by a communication device, a first transmission band associated with a first numerology. The first transmission band comprises a first subcarrier spacing ?f1 and a first symbol length of T1 in time domain. The method includes operating, by the communication device, a second transmission band associated with a second numerology. The second transmission band comprises a second subcarrier spacing ?f2. The method also includes operating, by the communication device, a third transmission band positioned between the first transmission band and the second transmission band. The third transmission band comprises a subcarrier spacing equal to the second subcarrier spacing ?f2 and a symbol length equal to the first symbol length T1.

Abstract: Disclosed are a signal sending method, a signal receiving method, an electronic device and a storage medium. The signal sending method includes the following. A first transmission signal is generated, where the first transmission signal includes a communication signal and a sensing signal, and the sensing signal occupies bandwidth resources of at least two component carriers in a frequency domain; and the first transmission signal is sent.

Abstract: Provided are a data transmission method, a data modulation method, an electronic device and a storage medium. The data transmission method includes: transmitting to-be-transmitted data in N frequency domain resource blocks, where each frequency domain resource block includes K(n) subcarriers, where n=1, 2, . . . , N, a value of N is greater than or equal to 1, and a value of K(n) is greater than or equal to 1; performing inverse Fourier transform and multiplication operation processing on to-be-transmitted data on the each frequency domain resource block of the N frequency domain resource blocks to form N groups of data sequences; and transmitting the N groups of data sequences.

Abstract: Provided are a data modulation method and apparatus, a device, and a storage medium. The data modulation method includes that: a modulation manner is configured, where a constellation point modulation symbol of the modulation manner is formed by combining a first group of constellation point modulation symbols and a second group of constellation point modulation symbols; and data is modulated by using the modulation manner, where the data includes a first data block and a second data block, the first data block is modulated by the first group of constellation point modulation symbols, and the second data block is modulated by the second group of constellation point modulation symbols.

Abstract: A wireless communication and sensing method for use in a wireless communication and sensing node is disclosed. The method comprises transmitting an integrated sensing and communication, ISAC, signal, wherein a sensing signal in the ISAC signal comprises a wideband signal and at least one single-tone signal, wherein the number of the at least one single-tone signal is less than 10, and wherein a bandwidth of the wideband signal is greater than 1 MHz.

Abstract: A data transmission method includes: performing M-point discrete Fourier transform (DFT) on first time domain data to obtain frequency domain data; performing a filtering operation on the frequency domain data to obtain filtered frequency domain data; performing N-point inverse discrete Fourier transform (IDFT) on the filtered frequency domain data to obtain second time domain data; and transmitting the second time domain data on a physical resource.

Abstract: A wireless communication and sensing method comprising: performing, by a wireless communication and sensing node, a communication function of an integrated sensing and communication, ISAC, signal via one or more communication antennas; and performing, by the wireless communication and sensing node, a sensing function of the ISAC signal via the one or more communication antennas and one or more sensing-dedicated antennas.

Abstract: A wireless communication and sensing method is disclosed. The method comprises sending, by a wireless communication and sensing node, an integrated sensing and communication, ISAC, signal comprising a communication signal and a sensing signal, wherein the sensing signal comprises one or more single-tone signals, and wherein the number of the single-tone signals being less than 10.

Abstract: Methods, systems, and devices related to digital wireless communication, and more specifically, to techniques related to operating an access network with multiple domains. In an example embodiment, a method for wireless communication can include receiving, at a physical resource group control function, a first message on a service-based interface provided by the physical resource group control function. The method may also include, in response to receiving the first message, transmitting, by the physical resource group control function, a second message on the service-based interface provided by the physical resource group control function.