Abstract: A communication method and apparatus are provided. In the method, when a symbol length remains unchanged, different cyclic shift code lengths and different useful symbol lengths may be configured, for example, a first cyclic shift code length and a second cyclic shift code length that are different, and a first useful symbol length and a second useful symbol length that are different, to flexibly adjust a frame structure.

Abstract: Aspects of the present disclosure provide methods and apparatuses for transmitting neural network (NN) parameters for artificial intelligence or machine learning (AI/ML) model training in a wireless communication network to reduce overhead and delays for AI/ML model training processes. A base station (BS) may transmit, to a user equipment (UE), information indicative of a sparsification configuration for one or more layers of a NN. The sparsification configuration may be indicative of whether sparsification is enabled for a respective layer and/or for each neuron in the respective layer, whether the neuron is connected or disconnected to another neuron in another layer of the NN. The UE may transmit, to the BS, one or more NN parameters associated with one or more connected neurons according to the sparsification configuration. In some embodiments, the sparsification configuration may be configured or determined by the BS.

Abstract: The present disclosure provides detailed specifications related to user equipment (UE) aggregation. As an example, a virtual UE (VUE) configuration, also referred to as a configuration for UE aggregation, that can be used by multiple UEs participating in UE aggregation may be communicated in a wireless communication network. The configuration may indicate, for example, that the UEs are to participate in UE aggregation, and indicate a first UE for splitting or combining data. In some embodiments the configuration may indicate protocol stacks for the multiple UEs to participate in UE aggregation, and an anchor point. The anchor point is associated with a layer in the protocol stack of a first UE of the multiple UEs, and implements data splitting and/or aggregation. As an alternative to the specific example of an anchor point, a configuration may indicate a function for splitting or aggregating data.

Abstract: This disclosure provides a communication system comprising a first branch and a second branch. The first branch includes a transmit chain and a reference chain. The transmit chain includes a DPD, a DAC, a frequency mixer, a power amplifier (PA), a circulator, a filter, and a first antenna array that are sequentially connected. The second branch includes a receive chain comprising a second antenna array, a low noise amplifier, a frequency mixer, and an ADC that are sequentially connected. In an SBFD slot, the transmit chain is configured to perform downlink radio frequency transmission on a baseband signal; the receive chain is configured to perform uplink radio frequency transmission on a radio signal; and the reference chain collects a radio frequency signal output by the PA, uses the radio frequency signal as a reference signal, and performs linear cancellation processing on a received signal output by the receive chain.

Abstract: Current signaling structures in Long-Term Evolution and New Radio are not designed to accommodate flexible allocation of RF chains and/or antennas among radio access technologies (RATs) and/or between different transmission modes that support multiple transmissions/receptions/component carriers such as carrier aggregation, multiple-input multiple-output and/or multiple-transmit-receive point transmission/reception. Embodiments are disclosed in which an apparatus reports radio frequency (RF) capability information that supports such a flexible allocation of RF chains and/or antennas. In some embodiments, the RF capability information includes RF chain information indicating a number of RF chains operable in a first frequency range, and antenna information indicating, for each of a plurality of second frequency ranges within the first frequency range, a number of physical antennas operable within the corresponding second frequency range.

Abstract: Operation of user equipment (UE) is to be coordinated with one or more other UEs for joint precoding and transmission of data to a communication device in a wireless communication network. Relationship information indicating a relationship between different reference signals that are communicated between a UE and the communication device or a relationship between a reference signal and a corresponding antenna beam for the transmission of data after the precoding is communicated in the wireless communication network. The UEs transmit the data after the joint precoding has been applied to the data, and the communication device receives transmissions of the data from the UEs.

Abstract: Aspects of the present disclosure provide methods and apparatuses for adapting configurations for converting between analog and digital signals. An apparatus receives, from a device, information indicative of an operating configuration for converting between analog and digital signals at the apparatus, and operates according to the operating configuration to which the received information is related. The operating configuration is associated with a bit resolution used by the apparatus when converting signals, a sampling rate used by the apparatus, and/or a combination of bit resolution and sampling rate used by the apparatus.

Abstract: Systems and methods for configuring, transmitting and receiving a new chirp-based wake-up signal (WUS) are provided that enable low complexity and low power RF domain detection. With the provided system and method, a WUS is transmitted over a wireless communications channel to a target receiver or to a group of target receivers based on configuration parameters that include at least one of a starting time, a starting frequency or a chirp rate. At least one of the configuration parameters is associated with an identity of the target receiver or the group of target receivers.

Abstract: Aspects of the present disclosure are directed to an indication of polarization direction association that indicates an association between a first resource with at least 1 port and a second resource with at least 1 port or between a first resource with at least 1 port and a first port of a second resource with at least 1 port to assist a user equipment (UE) in matching polarization direction with a base station in downlink (DL) reception or uplink (UL) transmission. The first resource may be one of CSI-RS, PDCCH, PDSCH, PUCCH, PUSCH, SRS, or PRACH. The second resource may be one of an SSB, CSI-RS, SRS or PRACH, and the SSB may comprise one or more of PSS, SSS, PBCH, and DMRS for PBCH. Other aspects may include group-based partitioning of antenna ports within a first resource and a second resource for providing a quasi-co-polarization direction association.

Abstract: Input data for inference processes are often highly correlated and interdependent. These correlations provide an inherent redundancy in the input data which can be used to refine inference results and thus improve inference performance. In some embodiments, probability information is used to refine results from an inference process. The probability information indicates, for each of a plurality of potential results obtainable from the inference process, a probability of obtaining the respective potential result and another potential result from the plurality of potential results.

Abstract: Upon learning of a device's sensing capability, a network node may transmit, to the device, a sensing report configuration. The network node may transmit, to the device, a definition for a sensing region of a communication scheduling region. The network node may further transmit, to the device, a definition for a sensing feedback report channel. After transmitting, to the device, scheduled data transmissions, the network node may receive, from the device over the sensing feedback report channel, a sensing report based on processing those scheduled data transmissions that have been received, by the device, in the sensing region.

Abstract: The present disclosure relates to data block retransmission in wireless communications, and particularly in wireless communications having a relatively large propagation delay. Some embodiments relate to memory management and may involve a maximum time period during which a data block that is to be communicated in a wireless communication network may remain in memory space at a user equipment (UE) to support a data block retransmission procedure. UE reporting of current occupancy status of the memory space is also or instead supported in some embodiments. Selective transmission or retransmission may be provided, and may involve reception occasions at which a UE may receive a data block retransmission or a transmission of a different data block.

Abstract: A first communication apparatus measures a measurement signal to obtain a measurement result; and the first communication apparatus sends the measurement result and measurement time information to a second communication apparatus, where the measurement time information indicates a measurement time point or a measurement time window at which the first communication apparatus performs the measurement. In this manner, the first communication apparatus may report the measurement time information of the measurement result. Therefore, the measurement time information of the measurement result is provided.

Abstract: A first apparatus obtains first data; and the first apparatus may further determine, based on first diversity information, whether to send the first data. The first diversity information is determined based on the first data and a set of second data, and the second data includes historical data sent by the first apparatus and/or data indicated by a second apparatus. For example, the first data is training data. The first apparatus may determine the first diversity information based on the first data, and historically sent training data and/or specified training data, and determine, based on the first diversity information, whether to send the first data. In some embodiments, the first apparatus does not need to send all training data.

Abstract: Aspects of the present disclosure provide methods and apparatuses for learning an artificial intelligence or machine learning (AI/ML) model over a self-organized topology to enable heterogeneous neural network structures in distributed AI/ML training processes. The method comprises: a first node receives a first AI/ML model from a second node and transmits the first AI/ML mode and a model collection indicator to one or more nodes associated with the first node. The first node receives reports related to respective associated AI/ML models of its associated node(s) and generates, based on the reports, a second AI/ML model having a neural network (NN) structure equivalent to that of the first AI/ML model. However, the AI/ML models of the first node's associated node(s) may have NN structures that differ from the NN structure of the first and second AI/ML models.

Abstract: The present disclosure relates to communicating low peak to average power ratio (PAPR) multiplexed signals. Signaling related to sub-sequences of a base sequence is communicated in a wireless communication network, and a multiplexed signal is transmitted and received between a first communication device and a second communication device. The multiplexed signal that multiplexes a number of signals that are based on respective ones of the sub-sequences. The sub-sequences each comprise a unique subset of non-consecutive values from the base sequence, and those values are equally spaced apart by one or more zero values and are at different positions within each of the sub-sequences. The signals comprise components that are equally spaced apart and at different positions within each of the signals such that consecutive components of the multiplexed signal comprise the components of different ones of the signals.

Abstract: Aspects of the present disclosure provide a polarization direction indication that may enable UE beam measurement/reporting in symbols carrying reference signals for beam measurement (e.g, SSB) on a first polarization direction with UE data transmission/reception in the same symbols on a second polarization direction. Aspects of the present disclosure also provided a resource mapping scheme for data (e.g., PDSCH) and associated demodulation reference signal (e g., DMRS).

Abstract: In some embodiments, dual-polarized antennas may be implemented by establishing a mapping relation between synchronization signals and polarization directions of polarized antennas at the base station or polarization directions in relation to a reference plane. Examples of synchronization signals include primary synchronization signal (PSS), secondary synchronization signal (SSS), physical broadcast channel (PBCH), and demodulation reference signal (DMRS) for PBCH.

Abstract: Methods and systems for physical layer network coding based on two-dimensional (2D) joint coding are described. In some methods, first and second packets are obtained. A set of one or more cross-packet check blocks is generated, where each cross-packet check block is generated based on a set of cross-packet bits including at least one bit from each of the first and second packets. At least one cross-packet check block is transmitted to a first communication node.

Abstract: This application provides a data transmission method and a communication apparatus. The method includes: A first communication apparatus receives first information, where the first information is used to schedule transmission of first data and transmission of second data, the first data corresponds to a first reliability level, the second data corresponds to a second reliability level, and the first reliability level is different from the second reliability level; the first communication apparatus determines second information, where a first correspondence exists between the second information and both the first reliability level and the second reliability level; and the first communication apparatus transmits the first data and the second data based on the second information.