57results about "Unequal error protection" patented technology

The present disclosure relates to methods and apparatuses for transmitting and / or receiving data. For example a data transmitting includes obtaining first data addressed to a first wireless device and second data addressed to a second wireless device different from the first wireless device; generating a first redundancy version from the first data and a second redundancy version from the second data; obtaining common data as a separable combination of the first redundancy version and the second redundancy version; and obtaining encoded first data by forward error correction code (FEC) encoding of the first data and obtaining encoded second data by FEC encoding of the second data. The transmitter then transmits a signal carrying the encoded first data, the encoded second data, and the common data at the same time on different beams. Correspondingly, a user parses the common and the private data and combines them.

The invention relates to the technical field of communication, and discloses a communication method and device, which can improve the flexibility and transmission performance of data transmission by performing UEP layered transmission on to-be-transmitted data, and support data UEP transmission in a non-MIMO scene. The method comprises the steps that layering processing is conducted on first data, N layers of data are obtained, and N is an integer larger than or equal to 2; receiving modulation and coding indication information from the second communication device, wherein the modulation and coding indication information is used for indicating MCS corresponding to each layer of data in the P-layer data, the P-layer data belongs to the N-layer data, the MCS corresponding to each layer of data in the P-layer data, and the modulation and coding indication information is determined according to the sequence of the information source contribution degree of the layer data in the P-layer data and a mapping strategy of the information source contribution degree sequence and the MCS; and according to the MCS corresponding to each layer of data in the P-layer data, coding modulation is carried out on the P-layer data.

A data processing method and related products are provided in embodiments of the present disclosure. The data processing method includes: obtaining, by a terminal device, M sequences based on at least two payloads, where at least one of the M sequences includes a first payload and a second payload of the at least two payloads, the first payload and the second payload have different priorities; where M is an integer greater than 1; processing, by the terminal device, the M sequences to obtain corresponding codewords. A sequence is obtained through combining payloads with different priorities, and then the sequence is processed to obtain a codeword, in this manner, joint encoding of payloads with different priorities is implemented, thus, payloads with different priority levels can be differentially transmitted, thereby providing unequal error protection from the perspective of channel coding.

Systems, methods, and apparatuses can include transmission-side protocol stack circuitry comprising first cyclic redundancy check (CRC) circuitry to determine first CRC code for a first set of information and to determine second CRC code for a second set of information; and Flit encoding circuitry to encode a first portion of a Flit with the first set of information and the first CRC code, the Flit encoding circuitry to encode a second portion of the Flit with the second set of information and the second CRC code. Receiver-side protocol stack circuitry can include a low-latency path comprising first CRC check circuitry to perform a CRC check on a first portion of a received Flit. Receiver-side protocol stack circuitry can include a non-low-latency path comprising forward error correction (FEC) decoder circuitry to perform FEC on received Flits, and second CRC check circuitry to perform CRC check on received Flits that pass FEC.

A monolithic microwave integrated circuit (MMIC) semiconductor chip includes a millimeter-wave signal generator configured to generate a signal comprising a plurality of signal sequences; a central sequencer configured to control at least one decentral sequence generator based on a timestamp information and a configuration instance transmitted in a transmission from the central sequencer to the decentral sequence generator to control at least one corresponding component in a cycle-accurate manner; a first error detection mechanism corresponding to the transmission from the central sequencer to the at least one decentral sequence generator; and a second error detection mechanism that is independent of the first error detection mechanism, the second error detection mechanism corresponding to an execution by the decentral sequence generator to control the at least one corresponding component based on the timestamp information and the configuration instance transmitted in the transmission.

A radio access network node may determine to update an artificial intelligence machine learning model at a user equipment. The node may transmit the model in a radio resource control message that comprises a primary portion and a secondary portion. The primary portion may be used to transmit control information. The secondary portion may be used to transmit the model, or other data. The control message may comprise a format indication indicative of a code rate to be used by the user equipment to decode the primary portion. The radio resource control message may comprise a secondary format indication indicative of a code rate to be used to decode the secondary portion. A format indication may comprise a retransmission indication indicative of retransmission of one or more segments of either, or both, of the primary portion or secondary portion being enabled.

An apparatus and method for multiplexing signals using layered division multiplexing are disclosed. A signal multiplexing apparatus according to an embodiment of the present invention includes a combiner configured to combine a core layer signal and an enhanced layer signal at different power levels, and a time interleaver configured to perform interleaving applied to both the core layer signal and the enhanced layer signal.

A method performed by a radio device for handling data transmissions in a wireless communications network is provided. The radio device determines (202) one or more first transmission parameters for a first part of an application data unit to be transmitted. The first part of the application data unit is associated with a first latency requirement. The radio device determines one or more second transmission parameters for one or more second parts of the application data unit to be transmitted. The one or more second parts of the application data unit is associated with a second latency requirement. The second latency requirement is related to a shorter latency than the first latency requirement. The radio device transmits (203) the application data unit using the one or more first transmission parameters for transmitting the first part of the application data unit and the one or more second transmission parameters for transmitting the one or more second parts of the application data unit.

An error correction coding device is configured to include an exclusive OR operating unit (3) to acquire a plurality of information bit strings that are labels of respective multilevel modulation symbols from a frame in which a plurality of information bit strings that are labels of the plurality of multilevel modulation symbols are arranged, and operate an exclusive OR of a plurality of information bits that are labels of the respective multilevel modulation symbols, and a soft decision error correction coding unit (4) to generate soft decision error correction redundancy bits by performing soft decision error correction coding on a plurality of operation results of the exclusive OR by the exclusive OR operating unit (3).

Resource usage may be made more efficient when data is transmitted in a control region of a slot in addition to a data region. To increase performance, a user equipment, UE, may receive a control transmission from a base station, BS, in a control region, wherein the UE receives the control transmission using a first reception beam. Furthermore, the UE may receive a data transmission from the base station, BS, using a reception beam based on whether the data transmission is received in the control region of the slot or a data region of the slot, wherein the UE receives the data transmission using the first reception beam when the data transmission is in the control region of the slot and using a second reception beam when the data transmission is in the data region of the slot. Also, a reduced modulation and coding scheme (MCS) or a reduced rank may be used to receive the data transmission when the data transmission is in the control region

Methods, systems, and devices for wireless communications are described. Techniques described herein support encoding and transmitting of data carrying reference signals (DCRSs according to a lower modulation order and data according to a higher modulation order. A transmitting device may write data bits and DCRS bits into a bitstream according to an interleaving table (e.g., a systematic bit priority mapping (SBPM) interleaver or table). In some examples, the transmitting device may utilize a sub-constellation of the higher modulation order constellation for transmitting the DCRS bits via DCRS REs. In some examples, the transmitting device may skip (e.g., leave unoccupied) entries in the interleaving table corresponding to the LSBs of a DCRS column. In some examples, the transmitting device may write DCRS bits into the bitstream according to a first interleaving table, and may write data bits into the bitstream according to a second interleaving table.

The present application discloses an information processing method and apparatus, a terminal device, and a storage medium. The method includes: based on a first bit length and / or a second bit length, determining a first rate matching output sequence length corresponding to first information. The first bit length is determined according in the number of bits of the first information and a code rate corresponding to the first information, and the second bit length is determined according to the number of bits of second information and a code rate corresponding to the second information, and the first information and the second information are transmitted on the same physical channel.

Various aspects of the present disclosure relate to mechanism for data processing and transmission. In an aspect, a UE receives, from a second apparatus, a transport block. The transport block comprises at least one data stream and at least one non-data stream at a physical (PHY) layer, and each of the at least one data stream and the at least one non-data stream at the PHY layer comprises at least one code block (CB). Alternatively, at least one check code is associated with at least one non-data stream of the transport block at a medium access control (MAC) layer.

Various schemes are described for flexible signaling to support unequal modulation and multi-layer transmissions in wireless communications. A device (e.g., a working station (STA)) generates a physical layer protocol data unit (PPDU) and performs a transmission of the PPDU, indicating by signaling one or more of the following: (1) whether the transmission employs unequal modulation (UEQM) or multilayer coding (MLC) and unequal modulation and coding scheme (MCS) levels (UEQ-MCS); (2) whether the transmission is used for a single physical layer convergence process (PLCP) service data unit (PSDU) or multiple PSDUs per user; and (3) whether the transmission adopts joint coding or independent coding.

The present application relates to the technical field of communications, and discloses an information processing method and apparatus, a terminal device, and a storage medium. The method is executed by the terminal device. The method comprises: determining, on the basis of a first bit length and / or a second bit length, a first rate matching output sequence length corresponding to first information, wherein the first bit length is determined according to the number of bits of the first information and a coding rate corresponding to the first information, the second bit length is determined according to the number of bits of second information and a coding rate corresponding to the second information, and the first information and the second information are transmitted on a same physical channel. On the basis of the solution provided by embodiments of the present application, in the process of information multiplexing and transmission, a more reasonable rate matching output sequence length can be determined for two pieces of information multiplexed and transmitted.

The invention relates to the technical field of communication, and discloses a data processing method and device, which can improve the robustness of data transmission by performing layered transmission based on data grouping and bit layering on to-be-transmitted data. The method comprises the steps that a first device conducts layering processing on first data according to layering information to obtain N layers of data, and N is an integer larger than or equal to 2; the layering processing comprises data grouping and bit layering; respectively carrying out coding modulation on the N layers of data to obtain N code streams; and sending the N code streams to the second device.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter may determine a first modulation order for a first layer of a communication and a second modulation order for a second layer of the communication, wherein the first modulation order and the second modulation order are different; interleave bits for one or more of the first layer or the second layer based at least in part on the first modulation order and the second modulation order; and transmit the interleaved bits via the one or more of the first layer or the second layer. Numerous other aspects are provided.

This application relates to the field of communication technologies, and discloses a data processing method and apparatus, to perform, on to-be-transmitted data, layered transmission that is based on data grouping and bit layering, to improve data transmission robustness. The method includes: A first apparatus performs layering processing on first data based on layering information to obtain N layers of data, where N is an integer greater than or equal to 2, and the layering processing includes data grouping and bit layering. The first apparatus separately performs coding and modulation on the N layers of data to obtain N bitstreams. The first apparatus sends the N bitstreams to a second apparatus.

A radio access network node may determine to update an artificial intelligence machine learning model at a user equipment. The node may transmit the model in a radio resource control message that comprises a primary portion and a secondary portion. The primary portion may be used to transmit control information. The secondary portion may be used to transmit the model, or other data. The control message may comprise a format indication indicative of a code rate to be used by the user equipment to decode the primary portion. The radio resource control message may comprise a secondary format indication indicative of a code rate to be used to decode the secondary portion. A format indication may comprise a retransmission indication indicative of retransmission of one or more segments of either, or both, of the primary portion or secondary portion being enabled.

The embodiment of the application discloses a kind of information transmission method and its device, the method includes: terminal equipment sends uplink control information UCI to network equipment by uplink data channel;The uplink data channel carries N data blocks, N data blocks include first data block and second data block, N is greater than or equal to 2 positive integer;Wherein, first data block is modulated by first modulation coding scheme MCS, and second data block is modulated by second MCS. By implementing the embodiment of the application, it is beneficial to ensure the reliability of downlink data transmission.

Various examples of the disclosure generally pertain to a multilayer transmission and modulation schemes used for determining transmission symbols associated with different layers of the multilayer transmission.

User equipment (UE), next generation NodeB (gNB), or other network components can operate to configure unequal protection of data packets, including transport blocks (TBs), medium access control (MAC) packet data units, etc., into a single physical layer packaging for transmission. TBs can be unequally protected within the packaging on a single physical channel (e.g., a physical downlink shared channel (PDSCH), a physical uplink shared channel (PUSCH), etc.) with four or fewer spatial layers (e.g., two spatial layers). Spatial, temporal, or frequency resources can be unequally utilized between different TBs or PDUs that can be transmitted at the physical layer, especially to prioritize or more tightly protect a particular TB over another within the packaging for a particular protocol or application.

The invention relates to a system arrangement which generates alternative data which can be used if the transmitted data is verified as negative, i.e. if the transmitted data is identified as incorrect. According to the invention, the data is duplicated at particularly suitable locations and is redundantly transmitted and correspondingly encoded. In a particular combination of features, various security mechanisms are integrated and linked in a synergistic manner so that particularly secure data transmission in a vehicle is guaranteed. The invention specifically addresses the safety requirements and hardware conditions in a vehicle, which is not the case for packet-switched communication, for example. The coding makes it possible for the receiver to identify that there can be an error with regard to the data integrity or that the data has been incorrectly transmitted or not transmitted at all. If this is identified, the redundantly transmitted data can be used on the receiver side and the data transmission is not impaired overall. The invention also relates to a method which makes it possible to provide or operate a suitable configuration of the system arrangement. Furthermore, a computer program product is proposed which has control commands which execute the method or provide or operate the system arrangement.

A data processing method: A first apparatus performs layering processing on first data based on layering information to obtain N layers of data, where N is an integer greater than or equal to 2, and the layering processing includes data grouping and bit layering. The first apparatus separately performs coding and modulation on the N layers of data to obtain N bitstreams. The first apparatus sends the N bitstreams to a second apparatus.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit an indication of a capability to receive or transmit a time domain communication having a first portion of a symbol configured with a first modulation and coding scheme (MCS) and a second portion of the symbol configured with a second MCS that is different from the first MCS. The UE may receive or transmit the time domain communication having the first portion configured with the first MCS and the second portion configured with the second MCS. Numerous other aspects are described.

Methods and apparatus for communicating in a wireless network are disclosed. In an embodiment, a wireless transmit receive unit (WTRU) is adapted to transmit and receive PHY-layer packets of a data stream with another device (e.g., a base station or peer-to-peer device) using a video-aware unequal protection (UEP) modulation configuration that may distinguish the transmitted / received packets according to a hierarchy utilized in the application layer. In an example, when a base layer (BL) application packet is included, the PPDU may be modulated with a first configuration; when an enhancement layer (EL) application packet is included, modulation may be performed with a second configuration. Examples of the first and second configurations may be differentiated based on bit allocations in a single constellation. In a second example, the first and second configurations may be differentiated based on bit allocation and distance in a single constellation. Various combinations and other embodiments are described.

A method performed by a radio device for handling data transmissions in a wireless communications network is provided. The radio device determines (202) one or more first transmission parameters for a first part of an application data unit to be transmitted. The first part of the application data unit is associated with a first latency requirement. The radio device determines one or more second transmission parameters for one or more second parts of the application data unit to be transmitted. The one or more second parts of the application data unit is associated with a second latency requirement. The second latency requirement is related to a shorter latency than the first latency requirement. The radio device transmits (203) the application data unit using the one or more first transmission parameters for transmitting the first part of the application data unit and the one or more second transmission parameters for transmitting the one or more second parts of the application data unit.

A data processing method and related products are provided in embodiments of the present disclosure. The data processing method includes: obtaining, by a terminal device, M sequences based on at least two payloads, where at least one of the M sequences includes a first payload and a second payload of the at least two payloads, the first payload and the second payload have different priorities; where M is an integer greater than 1; processing, by the terminal device, the M sequences to obtain corresponding codewords. A sequence is obtained through combining payloads with different priorities, and then the sequence is processed to obtain a codeword, in this manner, joint encoding of payloads with different priorities is implemented, thus, payloads with different priority levels can be differentially transmitted.

This application relates to the field of communication technologies, and discloses a data processing method and apparatus, to perform, on to-be-transmitted data, layered transmission that is based on data grouping and bit layering, to improve data transmission robustness. The method includes: A first apparatus performs layering processing on first data based on layering information to obtain N layers of data, where N is an integer greater than or equal to 2, and the layering processing includes data grouping and bit layering. The first apparatus separately performs coding and modulation on the N layers of data to obtain N bitstreams. The first apparatus sends the N bitstreams to a second apparatus.

This application relates to the field of communication technologies, and discloses a communication method and apparatus. The method includes: performing layering on first data, to obtain N layers of data, where N is an integer greater than or equal to 2; receiving modulation and coding indication information from a second communication apparatus, where the modulation and coding indication information indicates an MCS corresponding to each layer of data in P layers of data, the P layers of data belong to the N layers of data, and the MCS corresponding to each layer of data in the P layers of data; and separately performing coding and modulation on the P layers of data based on the MCS corresponding to each layer of data in the P layers of data.