H04L27/2662

Method, device, and storage medium for configuring starting symbol position of uplink data channel

Provided are a method, device and storage medium for configuring a starting symbol position of an uplink data channel. The method includes: determining a configuration value of a first type parameter set, where the first type parameter set is a set of uplink data parameters; determining a configuration range of a starting symbol position of an uplink data channel according to the configuration value of the first type parameter set; and selecting a starting symbol position of the uplink data channel from the configuration range of the starting symbol position of the uplink data channel, and notifying a receiving end of the selected starting symbol position of the uplink data channel.

Delay spread and average delay quasi-collocation sources for positioning reference signals

Disclosed are techniques for receiving reference radio frequency (RF) signals for positioning estimation. In an aspect, a receiver device receives, from a transmission point, a reference RF signal on a wireless channel receives, from a positioning entity, an indication that the reference RF signal serves as a source for a quasi-collocation (QCL) type(s) for positioning reference RF signals received by the receiver device from the transmission point on the wireless channel, measures an average delay, a delay spread, or both the average delay and the delay spread of the reference RF signal based on the QCL type(s), receives, from the transmission point, a positioning reference RF signal on the wireless channel, and identifies a time of arrival (ToA) of the positioning reference RF signal based on the measured average delay, the delay spread, or both the average delay and the delay spread of the reference RF signal.

Systems and methods for calculating beamforming weights used in wireless network discovery, synchronization, and reference signal waveform identification

Physical layer processing methods for network acquisition by remote nodes in wireless communication systems are described herein. New methods for wireless network discovery and synchronization by remote nodes are described herein that utilize spatial (e.g., antenna array) processing algorithms which may achieve enhanced functioning in challenging radio frequency environments, such as those containing interference and multipath distortion effects. These methods may include advantageous use of spatial whiteners and associated pluralities of adaptive beamformers to detect network reference and synchronization signals and estimate their parameters.

PREAMBLE CONFIGURING METHOD IN THE WIRELESS LAN SYSTEM, AND A METHOD FOR A FRAME SYNCHRONIZATION

A method of configuring a preamble of a downlink frame for synchronization in data frame transmission of a 60 GHz wireless local area network system, the method comprising arranging a short preamble having a plurality of repetitive S symbols, and an IS symbol, and arranging a long preamble having a long cyclic prefix (CP) and a plurality of L symbols for frame synchronization and symbol timing by performing auto-correlation according to the length of window of the auto-correlation.

OFDM FRAME COMMUNICATION METHOD AND APPARATUS

A first radio signal is received that was transmitted from a first antenna at a transmitter and a second radio signal transmitted from a second antenna at the transmitter different from the first antenna. The first radio signal is converted to a first orthogonal frequency division multiplexing (OFDM) frame signal, and the second radio signal is converted to a second OFDM frame signal. The first OFDM frame signal includes a grid of multiple frequency subcarriers and time periods, each time period with the frequency carriers corresponding to a first OFDM symbol such that the first OFDM frame includes first OFDM symbols. A first OFDM symbol is carried on frequency subcarriers during a time period, and the first OFDM frame includes first reference OFDM symbols located at corresponding time-frequency resource elements in the grid. Each resource element is defined by a one of the frequency subcarriers and one of the time periods. The second OFDM frame signal is similar and includes second reference OFDM symbols sharing the same grid of frequency subcarriers and time periods as the first OFDM frame. But the second reference OFDM symbols are located at corresponding time-frequency resource elements in the grid different than the corresponding time-frequency resource elements to which the first reference OFDM signals are located their respective OFDM frame signals. The first and second reference OFDM symbols are used to demodulate the first and second OFDM frame signals.

Time division multiplexing of synchronization channels

The apparatus may be a base station. The apparatus processes a first group of synchronization signals. The apparatus processes a second group of synchronization signals. The apparatus performs a first transmission by transmitting the processed first group of the synchronization signals in a first synchronization subframe. The apparatus performs a second transmission by transmitting the processed second group of the synchronization signals in a second synchronization subframe.

PROCESSING METHOD IN A WIRELESS TELECOMMUNICATIONS RECEIVER RECEIVING A DIGITALLY MODULATED SINGLE-CARRIER SIGNAL, ASSOCIATED WIRELESS TELECOMMUNICATIONS RECEIVER AND ASSOCIATED COMPUTER PROGRAM
20230231748 · 2023-07-20 ·

A processing method in a wireless telecommunications receiver receiving a digitally modulated single-carrier signal includes, between a matched filter, in the time domain, operating at a frequency drx×B and a frequency equalizer, operating at the frequency B, a decimation step comprising: i/extracting, from a filtered signal frame, a first sequence of samples for aiding the decimation and having the same power; and a second sequence of payload samples intended to be equalized; ii/estimating the variance in the power of each of the drx decimation phases of the first sequence and identifying the n.sup.th decimation phase associated with the minimum variance; iii/decimating the second sequence by selecting the n.sup.th decimation phase of the second sequence and supplying the decimation phase at the input of the frequency equalizer.

METHOD, DEVICE, AND STORAGE MEDIUM FOR CONFIGURING STARTING SYMBOL POSITION OF UPLINK DATA CHANNEL

Provided are a method, device and storage medium for configuring a starting symbol position of an uplink data channel. The method includes: determining a configuration value of a first type parameter set, where the first type parameter set is a set of uplink data parameters; determining a configuration range of a starting symbol position of an uplink data channel according to the configuration value of the first type parameter set; and selecting a starting symbol position of the uplink data channel from the configuration range of the starting symbol position of the uplink data channel, and notifying a receiving end of the selected starting symbol position of the uplink data channel.

SYSTEMS AND METHODS FOR SIGNALING STARTING SYMBOLS IN MULTIPLE PDSCH TRANSMISSION OCCASIONS
20230217435 · 2023-07-06 ·

Systems and methods related to indicating starting symbols of multiple transmission occasions in a cellular communications system are disclosed. In one embodiment, a method performed by a wireless communication device comprises receiving an indication of transmission occasions for respective downlink transmissions to the wireless communication device, at least two of the downlink transmissions associated to different transmission configuration indication states. The method further comprises receiving an indication of a starting symbol and a length of a first transmission occasion of the transmission occasions and receiving an indication of a particular offset value that is to be applied for determining a starting symbol of a second transmission occasion of the transmission occasions. The method further comprises determining a starting symbol of the second transmission occasion based on the starting symbol of the first transmission occasion, the length of the first transmission occasion, and the particular offset value.

Cell Grouping for Wireless Communications
20220418002 · 2022-12-29 ·

Wireless communications may use a plurality of cell groups. A downlink-uplink cell may be assigned to each cell group of a plurality of cell groups, and each of a plurality of downlink-only cells may be assigned to a cell group of the plurality of cell groups. A wireless device may transmit an uplink signal via a downlink-uplink cell based on a timing advance command.