WO2019128678A1 - Procédé et appareil de traitement de données - Google Patents

Procédé et appareil de traitement de données Download PDF

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Publication number
WO2019128678A1
WO2019128678A1 PCT/CN2018/119923 CN2018119923W WO2019128678A1 WO 2019128678 A1 WO2019128678 A1 WO 2019128678A1 CN 2018119923 W CN2018119923 W CN 2018119923W WO 2019128678 A1 WO2019128678 A1 WO 2019128678A1
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WIPO (PCT)
Prior art keywords
sequences
patterns
data
sequence
transmission resource
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PCT/CN2018/119923
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English (en)
Chinese (zh)
Inventor
李卫敏
袁志锋
胡宇洲
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中兴通讯股份有限公司
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Publication of WO2019128678A1 publication Critical patent/WO2019128678A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path

Definitions

  • the present application relates to the field of communications, but is not limited to the field of communications, and in particular, to a data processing method and apparatus.
  • the 5th-generation (5G) communication technology and the future communication technology application scenarios in the related technologies include enhanced mobile broadband (eMBB), massive machine type communication (mMTC), and high reliability. Ultra Reliability Low Latency Communication (URLLC).
  • eMBB enhanced mobile broadband
  • mMTC massive machine type communication
  • URLLC Ultra Reliability Low Latency Communication
  • the eMBB scenario is used to support mobile broadband.
  • the main service requirements are large data packet transmission, high data rate, and high spectrum efficiency.
  • the mMTC scenario is used to support mass device communication.
  • the main service requirements are mass equipment and small data packet transmission.
  • the International Telecommunications Union (ITU) and the 3rd Generation Partnership Project (3GPP) have designed a target for the 5G mMTC scenario to support a connection density of 1 million devices per square kilometer; the URLLC scenario is used to support Highly reliable and low latency communication, the main business requirement is high reliability and low latency transmission.
  • non-Orthogonal Multiple Access (NOMA) technology may be considered to allow multiple users or data streams to share the same transmission resources ( For example, time-frequency resource blocks, time-frequency resource units, and the like, non-orthogonal multiplexing is performed, so that the utilization efficiency of transmission resources can be improved.
  • NOMA non-Orthogonal Multiple Access
  • advanced receivers such as interference cancellation receivers.
  • the signal coupling loss is large due to large path loss and penetration loss, and the signal-to-noise ratio of the received signal (Signal) To Noise Ratio (SNR) or Signal to Interference and Noise Ratio (SINR) is low.
  • SNR Signal To Noise Ratio
  • SINR Signal to Interference and Noise Ratio
  • these users usually need to use narrowband transmission, such as one or more 15 kHz subcarriers, which will transmit
  • the power concentrates on the narrowband to transmit signals, improves the SNR or SINR of the received signal, and further, it can also combine the repeated transmission in the time domain and/or the extended transmission to improve the SNR or SINR of the received signal.
  • the embodiment of the present application provides a data processing method and device.
  • a data processing method including:
  • X data is processed by the N sequences or patterns, wherein the positions of the non-zero elements of the N sequences or patterns are different, N is an integer greater than 1, and X is an integer greater than or equal to 1.
  • a data processing apparatus including:
  • an electronic device comprising a memory and a processor, wherein the memory stores a computer program, the processor being configured to run the computer program to perform any of the above The steps in the method embodiments.
  • 1 is a schematic diagram of a sparse sequence or sparse pattern of length 4 provided by an embodiment of the present application;
  • FIG. 2 is a schematic diagram of transmission using a single subcarrier (or single-tone) according to an embodiment of the present application
  • 3 is a schematic diagram of transmission using multiple subcarriers (or multi-tones) according to an embodiment of the present application
  • FIG. 4 is a block diagram showing a hardware structure of a mobile terminal according to a data processing method according to an embodiment of the present application
  • FIG. 5 is a flowchart of a data processing method according to an embodiment of the present application.
  • FIG. 6 is a flowchart of another data processing method according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of two sequences of non-zero elements that are complementary in position according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of two sequences in which the positions of non-zero elements are complementary and the number of non-zero elements is different according to an embodiment of the present application;
  • FIG. 11 is a schematic diagram of two sequences of different locations of non-zero elements according to an embodiment of the present application.
  • FIG. 13 is a schematic diagram of three sequences of non-zero elements that are complementary in position according to an embodiment of the present application.
  • FIG. 15 is a schematic diagram of data transmission on two subcarriers according to an embodiment of the present application.
  • 16 is a schematic diagram of data transmission on one subcarrier according to an embodiment of the present application.
  • 17 is a schematic diagram of data transmission on six subcarriers according to an embodiment of the present application.
  • FIG. 18 is another schematic diagram of data transmission on 6 subcarriers according to an embodiment of the present application.
  • FIG. 19 is still another schematic diagram of data transmission on 6 subcarriers according to an embodiment of the present application.
  • 20 is a schematic diagram of a sequence set according to an embodiment of the present application.
  • 21 is another schematic diagram of a sequence set in accordance with an embodiment of the present application.
  • 23 is a schematic diagram of a plurality of codebooks according to an embodiment of the present application.
  • 24 is another schematic diagram of a plurality of codebooks in accordance with an embodiment of the present application.
  • 25 is a block diagram of a data processing apparatus in accordance with an embodiment of the present application.
  • the embodiment of the present application provides a non-orthogonal multiple access by using a non-orthogonal sparse sequence or a sparse pattern for spreading, modulating, or mapping.
  • the sequence may also be called a code, and the sparse meaning is from a generalized
  • it can be considered that there are zero elements in the sequence or pattern.
  • the proportion of zero elements in the sequence or pattern is not less than a certain value (for example, 50%), and non-orthogonal refers to the available sequence as a whole.
  • the pattern is non-orthogonal, and it is not excluded that some of the sequences or patterns are orthogonal.
  • the NOMA scheme includes: a plurality of users or data streams respectively use orthogonal or non-orthogonal sparse sequences to expand, modulate, or map the data to be transmitted and transmit using the same transmission resource; or, The user or data stream uses its orthogonal or non-orthogonal sparse pattern to map its data to be transmitted to the same transmission resource for transmission.
  • FIG. 2 is adopted in the related art.
  • a schematic diagram of transmission of a single subcarrier (or single-tone), as shown in FIG. 2 can be extended by using a sparse sequence of length 4 as shown in FIG. 1 to obtain 12 symbols and on a single subcarrier. Transmission is performed; or, FIG. 3 is a schematic diagram of transmission using multiple subcarriers (or multi-tones) in the related art. As shown in FIG. 3, for each subcarrier of 12 subcarriers, a length as shown in FIG. 1 may be used.
  • the embodiments of the present application provide a data processing method, including: acquiring N sequences or patterns; processing X data by using the N sequences or patterns, wherein the N sequences or patterns The position of the non-zero elements is different, N is an integer greater than 1, and X is an integer greater than or equal to 1; thus, in discontinuous transmission, there is no data transmission at certain symbol times, so that the transmitter and energy cannot be effectively utilized, The problem of low transmission performance of the user and the system is achieved, so as to avoid discontinuous transmission, the transmitter and energy can be effectively utilized, and the transmission performance of the user and the system can be effectively improved.
  • the method embodiment provided in Embodiment 1 of the present application can be executed in a mobile terminal, a computer terminal or the like.
  • the mobile terminal 10 may include one or more (only one of which is shown in FIG. 4) processor 102 (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA. And a memory 104 for storing data, in some embodiments, the mobile terminal described above may further include a transmission device 106 for communication functions and an input and output device 108. It will be understood by those skilled in the art that the structure shown in FIG. 4 is merely illustrative, and does not limit the structure of the above mobile terminal. For example, the mobile terminal 10 may also include more or fewer components than those shown in FIG. 4, or have a different configuration than that shown in FIG.
  • the memory 104 can be configured to store a computer program, such as a software program of a application software and a module, such as a computer program corresponding to the data processing method in the embodiment of the present application, and the processor 102 executes by executing a computer program stored in the memory 104.
  • a computer program such as a software program of a application software and a module, such as a computer program corresponding to the data processing method in the embodiment of the present application
  • the processor 102 executes by executing a computer program stored in the memory 104.
  • Memory 104 may include high speed random access memory, and may also include non-volatile memory such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 104 may further include memory remotely located relative to processor 102, which may be connected to mobile terminal 10 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 106 is configured to receive or transmit data via a network.
  • the above-described network specific example may include a wireless network provided by a communication provider of the mobile terminal 10.
  • the transmission device 106 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • the transmission device 106 can be a Radio Frequency (RF) module for communicating with a base station, a terminal, or other network device in a wireless manner.
  • RF Radio Frequency
  • FIG. 5 is a flowchart of a data processing method according to an embodiment of the present application. As shown in FIG. 5, the process includes the following steps:
  • Step S502 acquiring N sequences or patterns
  • Step S504 processing X data by the N sequences or patterns, wherein positions of non-zero elements of the N sequences or patterns are different, N is an integer greater than 1, and X is an integer greater than or equal to 1. .
  • the discontinuous transmission can be solved so that there is no data transmission at some symbol time. Therefore, the problem that the transmitter and the energy and the transmission performance of the system and the system are low can be effectively utilized, thereby avoiding the occurrence of discontinuous transmission, effectively utilizing the transmitter and energy, and effectively improving the transmission performance of the user and the system.
  • the execution body of the foregoing steps may be a base station transmitter, a terminal transmitter, etc., but is not limited thereto.
  • the positions of the non-zero elements of the N sequences or patterns are complementary.
  • the lengths of the N sequences or patterns are all L, wherein the positions of the non-zero elements of the N sequences or patterns are different from each other, occupying mutually different positions in the L positions, respectively, and
  • the number of non-zero elements of the N sequences or patterns totals L, and L is an integer greater than one.
  • the lengths of the N sequences or patterns are different.
  • the obtaining the N sequences or patterns comprises one of the following:
  • the processing the X data by the N sequences or patterns comprises one of the following:
  • the X data is mapped onto the designated transmission resource using the N patterns for forming a transmission signal and transmitting.
  • the method further includes:
  • mapping the N data symbol groups to a specified transmission resource comprises one of the following:
  • N data symbol groups are mapped onto M transmission resource groups, where M is an integer greater than one and less than N.
  • mapping the X data to the designated transmission resource using the N patterns comprises one of the following:
  • the X data is mapped onto the M transmission resource groups using the N patterns, where M is an integer greater than 1 and less than N.
  • the designated transmission resource is determined according to at least one of: random selection, determined according to a system preset rule, system preset, determined according to system configuration information.
  • the X data comprises one of the following:
  • each bit group comprising a plurality of bits
  • each symbol group including multiple symbols.
  • the X is an integer less than or equal to N, or N/X is an integer greater than or equal to 1.
  • FIG. 6 is a flowchart of another data processing method according to an embodiment of the present application. As shown in FIG. 6, the method includes the following steps:
  • Step 602 Acquire N sequences or patterns
  • N is an integer greater than one
  • the length of the N sequences or patterns is L, and L is an integer greater than one;
  • the lengths of the N sequences or patterns are different;
  • the positions of the non-zero elements of the N sequences or patterns are complementary
  • the positions of the non-zero elements of the N sequences or patterns are complementary: the position of the non-zero elements of the N sequences or patterns Different from each other, occupying mutually different positions among L positions, and the number of non-zero elements of N sequences or patterns is totaled L, and generally occupying L positions;
  • N*A L
  • the positions of the non-zero elements of the N sequences or patterns are complementary, the positions of the zero elements of the N sequences or patterns are also complementary, that is, the positions of the zero elements of the N sequences or patterns are different from each other, respectively Occupying different positions in the L positions, and the number of zero elements of the N sequences or patterns totals L, and generally occupies L positions;
  • N sequences or patterns one of the following methods can be used:
  • Obtain a sequence or pattern and obtain N sequences or patterns according to the sequence or pattern; wherein, when acquiring a sequence or pattern, it may be obtained from a sequence or a collection of patterns, may be obtained according to a system preset rule, or may be specified according to a specified Acquisition of a sequence or pattern generation method;
  • the sequence set may also be referred to as a codebook, a codeword set, etc., and may be described in the form of a table, a matrix, a vector set, etc.
  • the sequence may also be referred to as a code, a codeword, etc., and may be described in the form of a table, a matrix, a vector, or the like;
  • the pattern set can be described in the form of a graph, a table, a matrix, a vector set, etc., and the pattern can be described in the form of a graph, a table, a matrix, a vector, and the like;
  • Step 604 Processing X data by using the N sequences or patterns
  • X is an integer greater than or equal to 1;
  • the X data includes one of: X bits; X bit groups, each bit group includes a plurality of bits; X symbols; X symbol groups, each symbol group includes a plurality of symbols;
  • X is an integer less than or equal to N;
  • N/X is an integer greater than or equal to 1;
  • the X data is processed using the N sequences or patterns, including one of the following:
  • the N data symbol groups obtained by expanding, modulating, mapping, or encoding the X data using the N sequences are mapped onto a designated transmission resource;
  • mapping N data symbol groups onto a designated transmission resource for forming a transmit signal and transmitting mapping N data symbol groups onto a designated transmission resource for forming a transmit signal and transmitting
  • X data is mapped onto a designated transmission resource using the N patterns for forming a transmission signal and transmitting;
  • the designated transmission resource may be randomly selected, determined according to a system preset rule, preset by the system, or determined according to system configuration information;
  • the specified transmission resource may be defined or formed for a transmission resource block, a transmission resource unit, a transmission resource set, or a transmission resource group, and may include multiple basic transmission resources, and may include a frequency band, a carrier, a subcarrier, a symbol, a time slot, and At least one of a subframe, a radio frame, a time-frequency resource, a spatial resource, or an antenna port;
  • the N data symbol groups are mapped to the specified transmission resources, including one of the following:
  • the N data is mapped to the designated transmission resource by using the N patterns, including one of the following:
  • the transmission resource group may include multiple basic transmission resources; multiple (for example, N or M) transmission resource groups may be composed of a plurality of transmission resources included in one transmission resource block or transmission resource unit, or may be A transmission resource included in a plurality of transmission resource blocks or transmission resource units or the like;
  • a plurality (eg, N or M) of transmission resource groups refers to a plurality of transmission resource groups that are divided or distinguished in the frequency domain.
  • the system preset rule includes at least one of a preset value, a preset parameter, a preset formula, a preset correspondence, a preset mapping relationship, a preset set, and the like;
  • the system configuration information includes at least one of system pre-configuration information, system semi-static configuration information, system dynamic configuration information, and the like;
  • the transmitter processes X data by using N sequences or patterns, wherein the positions of the non-zero elements of the N sequences or patterns are different; the method can avoid discontinuous transmission, and can effectively utilize the transmitter. And energy, can effectively improve the user's SNR or SINR, can shorten the transmission time, and thus can effectively improve the transmission performance of users and systems.
  • the embodiment of the present application provides a data processing method, in which a transmitter acquires two sequences, and then processes two data using two sequences; wherein, the positions of the non-zero elements of the two sequences are different.
  • the transmitter can obtain and use two sequences with non-zero element positions complementary;
  • FIG. 7 is a schematic diagram of two sequences of non-zero elements complementary according to an embodiment of the present application, as shown in FIG.
  • the two sequences are labeled as C1 and C2, respectively, and the grid block indicates the position of the sequence non-zero element, meaning that the sequence element at the position is non-zero, and the blank block indicates the position of the sequence zero element, which means the sequence element of the position.
  • zero both sequences are 4 in length, each sequence contains 2 non-zero elements and 2 zero elements, and the positions of the non-zero elements of the two sequences are complementary.
  • the non-zero elements of the two sequences are different from each other, occupying mutually different positions in the positions of the four sequence elements, and the total number of non-zero elements of the two sequences is four, and in general, the positions of the four sequence elements are occupied.
  • the transmitter acquires two sequences, and one of the following may be adopted:
  • the sequence C1 is obtained from a sequence set S1, and the sequence C2 is obtained according to the sequence C1, and the sequences C1 and C2 are obtained.
  • the sequence C2 is obtained according to the sequence C1.
  • One of the following may be used: the elements of the sequence C1 are placed in reverse order to obtain The sequence of sequence C1 is reversed, and the sequence is taken as sequence C2; or the sequence C1 is cyclically shifted to obtain a sequence C2 complementary to the position of the non-zero element of the sequence C1, for example, the sequence C1 is shifted forward or backward by one bit.
  • sequence C1 to obtain sequence C2 complementary to the position of the non-zero element of sequence C1, for example, treating sequence C1 as a column vector, using a matrix and the column vector Multiply, and perform energy normalization and other processing to obtain a new column vector, and take this new column vector as the sequence C2;
  • the sequence set S1 may be system pre-configured or semi-statically configured, or obtained from a plurality of sequence sets, or generated according to one or more sequence sets (such as an element value set, a sparse feature set). Or generated according to system preset rules;
  • Obtaining the sequence C1 from the sequence set S1 may be obtained according to at least one of a random selection manner, a system preset rule, system configuration information, X data, or specified data or partial data in the X data;
  • the acquisition sequence C1 may also be obtained according to a preset rule of the system, or obtained according to a specified sequence generation method; for example, obtaining a sparse feature of the sequence according to a preset rule of the system, and then obtaining a value of a non-zero element of the sequence according to a preset rule of the system; Or, obtaining a sparse feature of the sequence from the specified set, and then obtaining a value of the non-zero element of the sequence from another specified set;
  • the method is advantageous for reducing the size of the sequence set and/or the number of sequence sets; when the sequence is obtained from the sequence set according to system configuration or indication information, the method is advantageous for saving signaling overhead. ;
  • sequence C1 is obtained from the sequence set S2
  • sequence C2 is obtained from the sequence set S3 to obtain the sequences C1 and C2; wherein the sequence in S2 is complementary to the position of the non-zero element of the sequence in S3, or exists in S3.
  • a sequence is complementary to the position of a non-zero element of a sequence in S2;
  • sequence sets S2 and S3 may be system pre-configured or semi-statically configured, or obtained from a plurality of sequence sets, or generated from one or more sequence sets, or generated according to system preset rules, or The sequence set S3 is obtained according to the sequence set S2;
  • Obtaining the sequence C1 from S2 and acquiring the sequence C2 from S3 may be obtained according to at least one of a random selection manner, a system preset rule, system configuration information, X data, or specified data or partial data in X data;
  • sequences C1 and C2 are obtained from the sequence set S4, wherein the sequence set S4 contains a plurality of sequences in which there are sequences complementary to the positions of the non-zero elements;
  • sequences C1 and C2 are obtained from the sequence set S4, one of the sequences may be obtained from S4, and then another sequence complementary to the position of the non-zero element of the sequence may be obtained from S4, or the non-zero may be obtained directly from S4. Two sequences with complementary positions of elements;
  • the sequence set S4 may be system pre-configured or semi-statically configured, or obtained from a plurality of sequence sets, or generated according to one or more sequence sets, or generated according to a system preset rule;
  • sequence When the sequence is obtained from the sequence set S4, it may be obtained according to at least one of a random selection mode, a system preset rule, system configuration information, X data, or specified data or partial data in the X data;
  • first obtaining one of the sequences and then acquiring another sequence may configure or indicate only the local location information of the other sequence in the sequence set or Local index information, which helps to save signaling overhead;
  • a sequence set S5 is obtained from a plurality of sequence sets, and the sequence C1 is obtained from S5, and then the sequence set S6 is obtained according to the sequence set S5 or the sequence C1, and the sequence C2 is obtained from S6, wherein the sequence in S6 and the S5 are obtained.
  • the positions of the non-zero elements of the sequence are complementary;
  • the plurality of sequence sets may be system pre-configured or semi-statically configured, or generated according to one or more smaller sequence sets, or generated according to system preset rules;
  • Obtaining the sequence set S5 from the plurality of sequence sets may be randomly selected, or according to system preset rules, or obtained according to system configuration information;
  • the sequence set S6 can be determined according to the sequence set S5 or the sequence C1. ;
  • the positions of the non-zero elements of the sequence in the sequence set are complementary to the positions of the non-zero elements of the sequence in the sequence set S5, then, may be randomly selected, or Obtaining a sequence set S6 from the sequence sets according to system preset rules or according to system configuration information;
  • the position of the non-zero element of the sequence is complementary to the position of the non-zero element of the sequence in the sequence set S5, the sequence set S6 may also be generated according to the sequence set S5, or according to the sequence C1 generates a sequence C2;
  • Obtaining the sequence C1 from S5 and acquiring the sequence C2 from S6 may be obtained according to at least one of a random selection mode, a system preset rule, system configuration information, X data, or specified data or partial data in X data;
  • the sequence set S6 is obtained according to the sequence set S5, which is beneficial to save signaling overhead;
  • acquiring two sequences C1 and C2 according to at least one of a preset value, a preset parameter, a preset formula, a preset correspondence, a preset mapping relationship, a preset set, and the like;
  • two sequences C1 and C2 are acquired according to at least one of system pre-configuration information, semi-static configuration information, or dynamic configuration information.
  • the transmitter processes X data by using the obtained two sequences
  • the X data may be 1 symbol, 2 symbols, 1 bit, 2 bits, 1 bit group, and 2 pieces. a bit group, a symbol group, a 2 symbol group, or more than 2 symbols, etc., wherein the bit group includes a plurality of bits, and the symbol group includes a plurality of symbols; here, the symbol may be a bit to be transmitted encoded And after the modulation, the bit may be the bit to be transmitted, or the bit to be transmitted is encoded;
  • the transmitter processes the X data using the obtained two sequences, including one of the following:
  • the transmitter uses the obtained two sequences C1 and C2 to expand or modulate one symbol to obtain two data symbol groups.
  • the transmitter uses the sequence C1 to spread or modulate one symbol to obtain a data symbol group, and the sequence C2 is used to expand or modulate the symbol to obtain another data symbol group; wherein the extension processing can be regarded as a sequence
  • the process of multiplying each element by the symbol to obtain the expanded symbol, and multiplying the non-zero element by the symbol to obtain a non-zero or valid data symbol, multiplying the zero element by the symbol will result in a value of 0 or data.
  • the transmitter uses two sequences C1 and C2 obtained to expand or modulate two symbols to obtain two data symbol groups.
  • the transmitter uses sequence C1 to spread or modulate the first of the two symbols to obtain a data symbol group, and use sequence C2 to spread or modulate the second of the two symbols to obtain another data.
  • Symbol group; 2 data symbol groups are all 4 in length, each containing 4 symbols;
  • the transmitter performs mapping, modulation or coding processing on one bit using the obtained two sequences C1 and C2 to obtain two data symbol groups.
  • the transmitter uses a sequence C1 to map, modulate or encode a bit, map, modulate or encode the bit into a sequence C1 to obtain a data symbol group; use the sequence C2 to map, modulate or encode the bit. Mapping, modulating, or encoding the bit into sequence C2 to obtain another data symbol group; the two data symbol groups are each 4 in length, each containing 4 symbols, and the first data symbol group is the same as sequence C1.
  • the second data symbol group is the same as sequence C2;
  • the transmitter performs mapping, modulation or coding processing on the two bits using the obtained two sequences C1 and C2 to obtain two data symbol groups.
  • the transmitter maps, modulates or encodes the first bit of the 2 bits into sequence C1 to obtain a data symbol group; maps, modulates or encodes the second bit of the 2 bits into sequence C2 to obtain another a data symbol group;
  • the two data symbol groups are all 4 in length, each containing 4 symbols, and the first data symbol group is the same as the sequence C1, and the second data symbol group is the same as the sequence C2;
  • the transmitter performs mapping, modulation or coding processing on one bit group using the obtained two sequences C1 and C2 to obtain two data symbol groups, wherein the bit group includes a plurality of bits;
  • the transmitter maps, modulates or encodes 1 bit group into sequence C1 to obtain a data symbol group; maps, modulates or encodes the bit group into sequence C2 to obtain another data symbol group; 2 data symbol groups
  • the length is 4, each contains 4 symbols, and the first data symbol group is the same as the sequence C1, and the second data symbol group is the same as the sequence C2;
  • the transmitter performs mapping, modulation or coding processing on the two bit groups by using the obtained two sequences C1 and C2 to obtain two data symbol groups, wherein each bit group includes a plurality of bits;
  • the transmitter maps, modulates or encodes the first bit of the 2 bit groups into sequence C1 to obtain a data symbol group; maps, modulates or encodes the second bit group of the 2 bit groups into a sequence C2, another data symbol group is obtained; the two data symbol groups are all 4 in length, each containing 4 symbols, and the first data symbol group is the same as the sequence C1, and the second data symbol group is the same as the sequence C2;
  • the transmitter performs expansion or modulation processing on one symbol group using the obtained two sequences C1 and C2 to obtain two data symbol groups, wherein the symbol group includes a plurality of symbols;
  • the transmitter uses sequence C1 to spread or modulate each symbol in a set of symbols to obtain a set of data symbols, and use sequence C2 to spread or modulate each symbol in the set of symbols to obtain another data symbol.
  • the symbol group contains Y symbols, Y is an integer greater than 1, since the length of the sequence C1, C2 is 4, then the length of the two data symbol groups are Y * 4, respectively containing Y * 4 symbol;
  • the transmitter performs expansion or modulation processing on the two symbol groups using the obtained two sequences C1 and C2 to obtain two data symbol groups, wherein each symbol group includes a plurality of symbols;
  • the transmitter uses sequence C1 to spread or modulate each symbol of the first of the two symbol groups to obtain a data symbol group, using sequence C2 for each of the second symbol group of the two symbol groups.
  • the symbol is expanded or modulated to obtain another data symbol group; assuming that two symbols each contain Y symbols, Y is an integer greater than 1, and since the lengths of the sequences C1 and C2 are 4, then 2 data symbol groups The length is Y*4, respectively containing Y*4 symbols;
  • the transmitter performs expansion or modulation processing on the plurality of symbols using the obtained two sequences C1 and C2 to obtain two data symbol groups, wherein the plurality of symbols include more than two symbols;
  • the transmitter uses sequence C1 to spread or modulate each of the plurality of symbols to obtain a set of data symbols, and use sequence C2 to spread or modulate each of the plurality of symbols to obtain another set of data symbols.
  • sequence C1 to spread or modulate each symbol of the plurality of symbols at the odd position or each symbol at the first half position to obtain one a set of data symbols
  • sequence C2 to spread or modulate each symbol of an even number of positions in a plurality of symbols or each symbol located at a second half position to obtain another set of data symbols, in the case of the above two pairs of symbols
  • the processing is similar.
  • the transmitter may map the two data symbol groups obtained by processing the X data using the acquired two sequences onto the designated transmission resource, for forming the transmission signal and transmitting;
  • the designated transmission resource may be two transmission resource groups, each occupying one subcarrier, and each transmission resource group includes four basic transmission resources in the time domain, and is used to respectively carry four symbols in two data symbol groups.
  • each transmission resource group includes Y*4 basic transmission resources in the time domain, and is used to respectively carry Y*4 symbols in 2 data symbol groups;
  • the specified transmission resource may also be one transmission resource group, occupy one subcarrier, and include four basic transmission resources in the time domain, and map four symbols of the two data symbol groups to the transmission resource group for transmission.
  • the transmission resource group includes Y*4 basic transmission resources in the time domain, and Y*4 symbols in the 2 data symbol groups are mapped to the transmission resource group for transmission; in this case, Two data symbol groups are transmitted on the same transmission resource group.
  • the transmission resource may be a time-frequency resource, and the basic transmission resource may be a resource element (RE);
  • RE resource element
  • the designated transmission resource may be randomly selected from available transmission resources, determined according to system preset rules, preset by the system, or determined according to system configuration information.
  • the system preset rule involved in the embodiment of the present application includes at least one of a preset value, a preset parameter, a preset formula, a preset correspondence, a preset mapping relationship, a preset set, and the like.
  • the system configuration information involved in the embodiment of the present application includes at least one of pre-configuration information, semi-static configuration information, dynamic configuration information, and the like.
  • the transmitter may also acquire and use other sequences of different forms of non-zero element positions; for example, FIG. 8 is another sequence of two sequences complementary to the position of the non-zero element according to the embodiment of the present application.
  • FIG. 9 is still another schematic diagram of two sequences of non-zero elements that are complementary in position according to an embodiment of the present application. As shown in FIG. 8 and FIG. 9, the positions of non-zero elements of the sequences C1 and C2 in the two cases. Also complementary, and the number of non-zero elements in the two sequences is the same; or, FIG.
  • FIG. 10 is a schematic diagram of two sequences of non-zero elements having different positions and different numbers of non-zero elements according to an embodiment of the present application, as shown in FIG. 10, in which case the positions of the non-zero elements of the sequences C1 and C2 are complementary, but the number of non-zero elements in the two sequences is different; or, FIG. 11 is a non-zero element according to an embodiment of the present application.
  • FIG. 11 is a non-zero element according to an embodiment of the present application.
  • a schematic diagram of two sequences of different positions as shown in FIG. 11, in which case the positions of the non-zero elements of the sequences C1 and C2 are different, but not complementary; or, FIG. 12 is different in length according to an embodiment of the present application. 2
  • the lengths of the sequences C1 and C2 are different, the positions of the non-zero elements are different, and it can be seen that the non-zero elements of the sequence C2 and the sequence C1 are partially complementary, or The two sequences C2 (or the sequence C2 repeated twice) are complementary to the sequence C1.
  • the embodiment of the present application provides a data processing method, in which a transmitter acquires two patterns, and then processes X data using two patterns; wherein, the positions of the non-zero elements of the two patterns are different.
  • the transmitter can acquire and use two patterns with non-zero element positions; the schematic diagrams of the two patterns are as shown in FIG. 7, and the two patterns are respectively labeled as C1 and C2, and the grid block indicates that the pattern is not
  • the position of the zero element means that the position is a valid position, a usable position or a position to be used, and a blank block indicates the position of the zero element of the pattern, meaning that the position is an invalid position, an unusable position, or an unintended use.
  • each pattern contains 2 non-zero elements and 2 zero elements, the positions of the non-zero elements of the 2 patterns are complementary, you can see that the non-zero elements of the 2 patterns The positions are different from each other, occupying different positions in the positions of the four pattern elements, and the total number of non-zero elements of the two patterns is four. Generally, the positions of the four pattern elements are occupied. In an alternative expression, the non-zero element in the pattern is "1" and the zero element is "0".
  • the transmitter obtains two patterns, and a method similar to the method in which the transmitter in the first example acquires two sequences may be used, and details are not described herein again.
  • the transmitter processes the X data by using the acquired two patterns, and the X data may be 1 symbol, 2 symbols, 1 symbol group, 2 symbol groups, or more than 2 a symbol or the like, wherein the symbol group includes a plurality of symbols; here, the symbol may be obtained by encoding and modulating a bit to be transmitted;
  • the transmitter processes the X data using the acquired two patterns, including one of the following:
  • the transmitter maps one symbol to a designated transmission resource by using the acquired two patterns C1 and C2;
  • the transmitter maps 1 symbol to the first transmission resource group of the specified transmission resource using pattern C1, and maps the symbol to the second transmission resource group of the designated transmission resource using pattern C2; due to the length of pattern C1 4, where there are 2 non-zero elements and 2 zero elements, then when using the pattern C1 to map the symbol to the first transmission resource group of the specified transmission resource, it will occupy 4 REs, and, with the pattern C1
  • the RE corresponding to the non-zero element is used to carry the symbol, or the symbol is mapped to the RE corresponding to the non-zero element of the pattern C1, and the data sent on the REs is the symbol, and the pattern C1
  • the corresponding element of the zero element will not carry the symbol or carry the symbol “0”; for the second transmission resource group that uses the pattern C2 to map the symbol to the specified transmission resource, the same processing or understanding can be performed;
  • the transmitter uses the acquired two patterns C1 and C2 to map two symbols onto the designated transmission resource;
  • the transmitter maps the first of the two symbols to the first transmission resource group of the designated transmission resource using pattern C1, and the transmitter maps the second symbol of the two symbols to the designated transmission using pattern C2.
  • the transmitter maps the first of the two symbols to the first transmission resource group of the designated transmission resource using pattern C1
  • the transmitter maps the second symbol of the two symbols to the designated transmission using pattern C2.
  • the transmitter maps one symbol group to a specified transmission resource by using the acquired two patterns C1 and C2, wherein the symbol group includes a plurality of symbols;
  • the transmitter maps each of the 1 symbol group to the first transmission resource group of the specified transmission resource using the pattern C1, and maps each symbol in the symbol group to the second of the designated transmission resource using the pattern C2.
  • the symbol group contains Y symbols, and Y is an integer greater than 1. Since the lengths of the patterns C1 and C2 are 4, then each symbol in the symbol group is mapped to the designated transmission resource by using the pattern C1.
  • the first transmission resource group will occupy Y*4 REs, and using the pattern C2 to map each symbol in the symbol group to the second transmission resource group of the specified transmission resource will also occupy Y*4 REs;
  • the transmitter maps the two symbol groups to the designated transmission resource by using the acquired two patterns C1 and C2, wherein each symbol group contains a plurality of symbols;
  • the transmitter maps each symbol of the first symbol group of the two symbol groups to the first transmission resource group of the specified transmission resource using the pattern C1, and uses the pattern C2 to set the second symbol group of the two symbol groups.
  • Each symbol is mapped to a second transmission resource group of a specified transmission resource;
  • the transmitter maps the plurality of symbols to the designated transmission resource by using the acquired two patterns C1 and C2, wherein the plurality of symbols include more than two symbols;
  • the transmitter maps each of the plurality of symbols to the first transmission resource group of the designated transmission resource using the pattern C1, and maps each of the plurality of symbols to the second transmission of the designated transmission resource using the pattern C2.
  • the transmitter uses the pattern C1 to map each symbol of the plurality of symbols located at the odd position or each symbol located at the first half position to the designated transmission resource.
  • each symbol of the plurality of symbols located at the even position or each symbol located at the latter half of the plurality of symbols is mapped to the second transmission resource group of the designated transmission resource by using the pattern C2.
  • the processing of the two symbol groups is similar.
  • the transmitter uses the acquired two patterns to map the X data to the designated transmission resource, the data symbols mapped to the specified transmission resource can be obtained, and then the data symbols can be formed into a transmission signal and transmitted;
  • the designated transmission resource may be two transmission resource groups, each occupying one subcarrier, and each transmission resource group includes four REs in the time domain for carrying symbols mapped to the transmission resource group, or each transmission
  • the resource group includes Y*4 REs on the time domain for carrying symbols mapped to the transmission resource group;
  • the designated transmission resource may also be a transmission resource group.
  • the transmitter uses the acquired two patterns to map the X data to the designated transmission resource, the transmitter may be mapped to the one transmission resource group. In this case, the transmitter uses the acquired two patterns to map the data to the same transmission resource group for transmission.
  • the transmitter may also acquire and use other patterns of different forms of non-zero element positions; for example, as shown in FIG. 8 and FIG. 9, the non-zero elements of the patterns C1 and C2 in the two cases.
  • the positions are also complementary, and the number of non-zero elements in the two patterns is the same; or, as shown in FIG.
  • the positions of the non-zero elements of the patterns C1 and C2 are complementary in this case, but in two patterns
  • the number of non-zero elements is different; or, as shown in Figure 11, the positions of the non-zero elements of patterns C1 and C2 are different, but not complementary; or, as shown in Figure 12, in this case
  • the lengths of the patterns C1 and C2 are different, and the positions of the non-zero elements are different.
  • the non-zero elements of the pattern C2 and the pattern C1 are partially complementary, or two patterns C2 (or the pattern C2 is reused twice) and The pattern C1 is complementary.
  • the embodiment of the present application provides a data processing method, in which a transmitter acquires three sequences or patterns, and then processes X data using three sequences or patterns;
  • FIG. 13 is a schematic diagram of three sequences in which the positions of non-zero elements are complementary according to an embodiment of the present application.
  • three sequences or patterns are respectively labeled as C1, C2, and C3, and the grid blocks represent sequences or patterns.
  • the position of a non-zero element, the blank block indicates the position of the sequence or the zero element of the pattern; the length of the three sequences or patterns is 6, each sequence or pattern contains 2 non-zero elements and 4 zero elements, and 3
  • the positions of the non-zero elements of the sequence or pattern are complementary.
  • the transmitter acquires three sequences or patterns, and a method similar to that of the example 1 can be used, and details are not described herein again.
  • the transmitter processes the X data by using three sequences or patterns, and performs transmission on the specified transmission resource, and may adopt a method similar to that of the example 1 or the example 2, and details are not described herein again.
  • the transmitter may process 2 symbols using 3 sequences, specifically, the transmitter uses the sequence C1 to 2 The first symbol in the symbol is extended to obtain the extended 4 symbols, and the 4 symbols are transmitted on the 4 REs of the first subcarrier; the transmitter uses the sequence C2 to the first of the 2 symbols.
  • the symbol is expanded to obtain the extended 4 symbols, and the 4 symbols are transmitted on the 4 REs of the second subcarrier; the transmitter uses the sequence C3 to expand the second symbol of the 2 symbols to obtain an extension.
  • 4 symbols, the 4 symbols of the 4th subcarrier are transmitted on the 4 REs; that is, the first symbols of the 2 symbols are respectively processed by the sequence C1 and C2 and then performed on the 2 subcarriers.
  • the transmission is such that the SNR or SINR of the symbol transmission can be improved.
  • the embodiment of the present application provides a data processing method, in which a transmitter acquires four sequences or patterns, and then processes X data using four sequences or patterns;
  • FIG. 14 is a schematic diagram of four sequences of non-zero elements that are complementary in position according to an embodiment of the present application.
  • four sequences or patterns are respectively labeled as C1, C2, C3, and C4, and a grid block represents a sequence.
  • the position of the non-zero element of the pattern the blank block indicates the position of the sequence or the zero element of the pattern; the length of the four sequences or patterns is 8, each sequence or pattern contains 2 non-zero elements and 6 zero elements, and The positions of the non-zero elements of the four sequences or patterns are complementary;
  • the transmitter acquires four sequences or patterns, and a method similar to that of the example 1 can be used, and details are not described herein again.
  • the transmitter processes the X data by using four sequences or patterns, and performs transmission on the specified transmission resource, and may adopt a method similar to that of the example 1, the example 2, or the example 3, and details are not described herein again. .
  • the transmitter may separately perform four extensions on four symbols to obtain four data symbol groups after the extension processing, and then Mapping the first two data symbol groups to the first transmission resource group of the specified transmission resource for transmission, and mapping the last two data symbol groups to the second transmission resource of the designated transmission resource for transmission; in this case, The four data symbol groups are transmitted using two transmission resource groups.
  • an embodiment of the present application provides a data transmission method, in which a transmitter acquires two sequences, and then uses two sequences to process X data.
  • FIG. 15 is a schematic diagram of data transmission on two subcarriers according to an embodiment of the present application, as shown in FIG. 15; wherein, a schematic diagram of two sequences is shown in FIG. The two sequences are labeled C1 and C2, respectively, and their lengths are all 4, and the positions of the non-zero elements are complementary;
  • the transmitter acquires two sequences, and a method similar to that of the example 1 may be used, and details are not described herein again.
  • the transmitter may perform expansion processing on one symbol by using two sequences C1 and C2. Specifically, the transmitter uses the sequence C1 to perform expansion processing on one symbol to obtain four extended symbols, which will be expanded. The 4 symbols are repeated 3 times to obtain the repeated 12 symbols, and then the 12 symbols are transmitted on the first subcarrier of the 2 subcarriers; likewise, the transmitter uses the sequence C2 to expand the 1 symbol. Processing the obtained 4 symbols, repeating the extended 4 symbols 3 times to obtain the repeated 12 symbols, and then transmitting the 12 symbols on the second subcarrier of the 2 subcarriers;
  • the method uses two sequences complementary to the non-zero element position. And transmission resources of 2 subcarriers to transmit 1 symbol, avoiding discontinuous transmission, can effectively utilize transmitter and energy, can effectively improve SNR or SINR of transmission symbols, and can shorten the time required for symbol transmission, thereby effectively improving User and system transmission performance.
  • the transmitter may further perform extension processing on the two symbols by using two sequences C1 and C2. Specifically, the transmitter uses the sequence C1 to perform expansion processing on the first symbol of the two symbols to obtain an extended method. 4 symbols, the extended 4 symbols are repeated 3 times to obtain the repeated 12 symbols, and then the 12 symbols are transmitted on the first subcarrier of the 2 subcarriers; the transmitter uses the sequence C2 to 2 The second symbol in the symbol is expanded to obtain the extended 4 symbols, and the extended 4 symbols are repeated 3 times to obtain the repeated 12 symbols, and then the 12 symbols are in the second subcarrier of the 2 subcarriers. Transmission on the carrier;
  • the method transmits two symbols by using two sequences of non-zero element positions complementary to two subcarriers and two subcarriers, avoiding discontinuous transmission, effectively utilizing transmitter energy and energy, and can transmit one more data, and has A better SNR or SINR (or similar SNR or SINR transmission on a subcarrier) does not increase the time required for symbol transmission, thereby effectively improving the transmission performance of the user and the system;
  • the related art uses a sparse sequence such as the sequence C1 to spread the first one of the two symbols and repeat the processing on the first subcarrier of the two subcarriers, using the sequence C1 to 2
  • the second symbol in the symbol is extended and processed repeatedly on the second subcarrier of the two subcarriers; since the position of the non-zero element is unchanged, discontinuous transmission occurs, and the transmitter and energy cannot be effectively utilized.
  • the transmission power needs to be allocated on 2 subcarriers, which affects the SNR or SINR of the 2 transmission symbols, which may increase the time required for symbol transmission, thereby affecting the transmission performance of the user and the system.
  • the transmitter may further perform extension processing on three symbols by using two sequences C1 and C2; specifically, the transmitter uses the sequence C1 to perform expansion processing on each of the three symbols, and a total of 12 symbols are obtained. a symbol, then the 12 symbols are transmitted on the first subcarrier of the 2 subcarriers; the transmitter uses the sequence C2 to spread the symbols of the 3 symbols, a total of 12 symbols can be obtained, and then 12 The symbols are transmitted on the second subcarrier of the two subcarriers; the method transmits three symbols by using two sequences complementary to the non-zero element position and the transmission resources of the two subcarriers, thereby avoiding discontinuous transmission and effectively utilizing
  • the transmitter and energy can effectively improve the SNR or SINR of the transmitted symbols, which can shorten the time required for symbol transmission, thereby effectively improving the transmission performance of the user and the system.
  • the transmitter may further perform extension processing on 6 symbols by using two sequences C1 and C2; specifically, for example, the transmitter uses the sequence C1 to perform expansion processing on the first three symbols of the six symbols, in total. 12 symbols can be obtained, and then the 12 symbols are transmitted on the first subcarrier of the 2 subcarriers; the transmitter uses the sequence C2 to spread the last 3 symbols of the 6 symbols, and a total of 12 symbols can be obtained.
  • the method transmits 6 symbols by using the 2 sequences complementary to the non-zero element position and the transmission resources of the 2 subcarriers, avoiding the non- Continuous transmission can effectively utilize the transmitter and energy, can transmit more data, and has better SNR or SINR, which can effectively improve the transmission performance of users and systems.
  • a data transmission method provided by an embodiment of the present application performs data transmission by using two sequences of non-zero element positions and transmission resources of two subcarriers, and has a lower peak to average power ratio (PAP). , referred to as peak-to-average ratio), or similar to PAPR for data transmission on one subcarrier, so as to have better transmission efficiency.
  • PAP peak to average power ratio
  • a data transmission method provided by an embodiment of the present application performs data transmission by using two sequences of non-zero element positions and transmission resources of two subcarriers; wherein, the transmission resources of two subcarriers can be regarded as two transmission resource groups. Similar to the above example, the embodiment of the present application may also use only one subcarrier transmission resource for data transmission; FIG. 16 is a schematic diagram of data transmission on one subcarrier according to an embodiment of the present application, as shown in FIG.
  • the data transmission method can achieve the similar or similar effect of data transmission on the transmission resources of the two subcarriers, and save transmission resources; for convenience of illustration, the non-zero elements of the two sequences in the figure use different pattern representations, actually The non-zero elements of each sequence may be the same or different, and the non-zero elements of the two sequences may be the same or different.
  • an embodiment of the present application provides a data transmission method, in which a transmitter acquires two sequences, and then processes two data using two sequences, at 6 The data transmission is performed on the transmission resources of the subcarriers, wherein the schematic diagrams of the two sequences are as shown in FIG. 7, and the two sequences are respectively labeled as C1 and C2, and their lengths are all 4, and the positions of the non-zero elements are complementary;
  • the transmitter acquires two sequences, and a method similar to that of the example 1 may be used, and details are not described herein again.
  • the transmitter processes the X data by using two sequences C1 and C2, and performs data transmission on the transmission resources of the six subcarriers; specifically, for example, FIG. 17 is in accordance with an embodiment of the present application.
  • a schematic diagram of data transmission on six subcarriers as shown in FIG. 17, the transmitter can use the sequence C1 to spread the first nine symbols of the 18 symbols, and a total of 36 extended symbols can be obtained, and then 36 The extended symbols are transmitted on the first three subcarriers of the six subcarriers; the transmitter uses the sequence C2 to spread the last nine symbols of the 18 symbols, for a total of 36 extended symbols, and then 36 The extended symbols are transmitted on the last three subcarriers of the 6 subcarriers;
  • FIG. 18 is another schematic diagram of data transmission on six subcarriers according to an embodiment of the present application.
  • the transmitter can use sequence C1 to 18 symbols (assuming the symbol index is 1, 2, . .., 18)
  • the 9 symbols with an odd number of indices are extended.
  • a total of 36 extended symbols can be obtained, and then the 36 extended symbols are mapped onto the transmission resource for transmission.
  • the four REs on each subcarrier are grouped and indexed and mapped according to the order of the frequency domain and the time domain (assuming the index of the RE group is 1, 2, ..., 18), that is, 36 extended
  • the symbol map is on the RE group whose index is odd; the transmitter uses the sequence C2 to spread the 9 symbols with the even index of the 18 symbols, and a total of 36 extended symbols can be obtained, and then the 36 extended
  • the symbol is mapped to the transmission resource for transmission, and the resource mapping is also performed according to the above method, that is, 36 extended symbols are mapped on the RE group whose index is even; this is equivalent to each of the indexes C1 and the index are odd.
  • the obtained four symbols are regarded as one symbol group, and a total of nine symbol groups are obtained, which are respectively mapped to 9 RE groups whose indexes are odd, and the sequence C2 is used to expand each symbol with an even index.
  • the symbols are treated as one symbol group, and a total of 9 symbol groups are obtained, which are respectively mapped to 9 RE groups with an even index, or 18 symbols are processed by using 2 sequences to obtain 18 symbol groups and mapped separately. Go to 18 RE groups;
  • FIG. 19 is still another schematic diagram of data transmission on six subcarriers according to an embodiment of the present application.
  • four REs on each subcarrier are used as a group for resource mapping and data transmission;
  • the machine may use a sequence C1 to perform a spreading process on one symbol to obtain an extended 4 symbols and map to the first RE group of the first subcarrier, and further to the second RE group of the second subcarrier.
  • frequency hopping repeated transmission on multiple subcarriers is implemented, which is advantageous for obtaining repeated combining gain and frequency domain diversity gain; or, the transmitter can expand a symbol using sequence C1.
  • the extended 4 symbols are processed and mapped to the first RE group of the first subcarrier, and the other symbol is extended by using the sequence C2 to obtain the extended 4 symbols and mapped to the first subcarrier.
  • the sequence C1 is used to expand and process another symbol to obtain the extended 4 symbols and map to the third RE group of the first subcarrier, so that multiple symbols are used.
  • the data transmission method performs data transmission by using two sequences of non-zero element positions and transmission resources of 6 subcarriers, thereby avoiding discontinuous transmission, effectively utilizing transmitters and energy, and transmitting more data
  • the related art uses a sparse sequence such as the sequence C1 to have a better SNR or SINR, thereby effectively improving the transmission performance of the user and the system.
  • the data transmission method can further improve performance in combination with frequency hopping, transmission resource hopping, sequence hopping, sequence selection, use of incompletely identical sequences by symbol, sequence scrambling or sequence transformation.
  • the data transmission method has a lower PAPR than the related art using a sparse sequence such as the sequence C1, thereby having better transmission efficiency.
  • the transmitter may also use multiple sets of sequences with different or complementary positions of non-zero elements, for example, using three sets of sequences, each set of sequences containing two sequences complementary to non-zero elements, and then each of the two sequences may be As a group of transmission resources on subcarriers, the transmitter processes the multiple symbols separately using three sets of sequences and then transmits them on different subcarrier groups, or transmits each of the four REs of each subcarrier as a group.
  • the machine uses three sets of sequences to process multiple symbols and then transmit them on different RE groups.
  • an embodiment of the present application provides a data transmission method, in which K transmitters respectively acquire 2 sequences, and then each transmitter uses 2 acquired data.
  • the sequence processes the X data and transmits the processed data on the specified transmission resource; wherein the positions of the non-zero elements of the two sequences acquired by each transmitter are different or complementary.
  • the positional complementation herein may include that the elements of at least one of the two sequences in the same sequence are non-zero elements, and the elements of the other sequence are zero elements.
  • the zero element is an element whose value is “0”, and the non-zero element may be an element whose value is not “0”.
  • each transmitter may obtain two sequences of non-zero element positions complementary from a sequence set;
  • FIG. 20 is a schematic diagram of a sequence set according to an embodiment of the present application, as shown in FIG. 20, There are 6 sequences in the sequence set, the positions of the non-zero elements of the 6 sequences are different, and both contain 2 non-zero elements and 2 zero elements; it can be seen that there are 3 pairs of non-zero element positions complementary to each other;
  • the sequence set can be system preconfigured or semi-statically configured.
  • Each transmitter obtains two sequences with non-zero element positions complementary from the sequence set, and may adopt a method similar to that of Example 1, for example, acquiring one sequence from the sequence set, and acquiring two sequences according to the sequence; Obtaining two sequences in the sequence set; acquiring two sequences according to a system preset rule; or acquiring two sequences according to system configuration information;
  • the K transmitters respectively obtain two sequences with non-zero element positions complementary from the sequence set, and the system may allocate 6 sequences to 3 transmitters by using preset rules or configuration information, and each transmitting The machine uses two sequences with non-zero element positions. Then, the sequences used by the three transmitters are different from each other, that is, no collision occurs. Then, three transmitters can use the same transmission resource for non-orthogonal multiple access. Access and multiplex transmission.
  • FIG. 21 is another schematic diagram of a sequence set according to an embodiment of the present application.
  • there are three sequences in the sequence set and the positions of the non-zero elements of the three sequences are different, however, There is no complementary sequence of non-zero elements in the sequence set; then, when each transmitter acquires two sequences with non-zero element positions complementary, the following method may be adopted: obtaining a sequence from the sequence set, and then according to the sequence The sequence generates another sequence complementary to its non-zero element position; or, according to the sequence set, another sequence set complementary to the non-zero element position is generated, and one sequence is respectively obtained from the two sequence sets, and two non-zero element positions are obtained.
  • Example 1 A similar method is also described in Example 1, which is advantageous for reducing the size of the sequence set and/or the number of sequence sets; it can be seen that the sequence set shown in FIG. 20 can be obtained by the sequence set shown in FIG.
  • the two sequences complementary to the non-zero element positions obtained by the sequence set shown in FIG. 21 and the non-zero elements obtained by the sequence set shown in FIG. Two complementary element positions may be the same sequence.
  • FIG. 22 is still another schematic diagram of a sequence set according to an embodiment of the present application. As shown in FIG. 22, there are 15 sequences in the sequence set, and the number of non-zero elements in each sequence is not completely the same.
  • sequence C1 are all non-zero elements, do not contain zero elements, sequences C2 to C5 contain 3 non-zero elements and 1 zero element, and sequences C6-C11 contain 2 non-zero elements and 2 zero elements, sequence C12 ⁇ C15 contains 1 non-zero element and 3 zero elements; the sequence set has more sequences, where there is a sequence of non-zero elements complementary; when the transmitter uses sequence C1, since the elements of the sequence are all non-zero An element may use only one sequence; when the transmitter uses other sequences, two sequences with different or complementary non-zero element positions may be obtained from the sequence set.
  • the non-zero elements of each sequence use the same pattern, in fact, two non-zero elements of each sequence.
  • the non-zero elements of each sequence may also be the same or different.
  • the sequence set may also be a sequence set as shown in Table 1; there are 24 sequences in the sequence set, each sequence includes 2 non-zero elements and 2 zero elements, 2 of each sequence
  • the non-zero elements are the same or different; these sequences can be further divided into 6 sets of sequences, each set consisting of 4 sequences, the positions of the non-zero elements of each set of sequences are the same, the positions of the non-zero elements of the 6 sets of sequences are different, and there are 3 pairs Sequence groups with non-zero element positions complementary; and the values of non-zero elements of 4 sequences of each group are different, and 4 sequences are orthogonal or low cross-correlated; wherein 1i can also be described as i , 1j or j, i or j is an imaginary unit, equal to sqrt(-1), and sqrt() is a square root operation.
  • sequences in the sequence set can also be further energy normalized, for example, each element of each sequence or each non-zero element is multiplied by 1/sqrt(2) such that the total energy of each sequence is one.
  • Each transmitter can acquire and use two sequences of non-zero element positions complementary from the sequence set.
  • an embodiment of the present application provides a data transmission method, in which K transmitters respectively acquire 2 code words, and then each transmitter uses the acquired 2 The codewords process the X data, and the processed data is transmitted on the designated transmission resource; wherein the positions of the non-zero elements of the 2 codewords acquired by each transmitter are different or complementary.
  • each transmitter may obtain two codewords with non-zero element positions complementary from multiple codebooks;
  • FIG. 23 is a schematic diagram of multiple codebooks according to an embodiment of the present application, as shown in FIG.
  • Each codebook includes 4 codewords of length 4, and the positions of the non-zero elements of the 4 codewords in each codebook are the same.
  • each contains 2 non-zero elements and 2 zero elements; it can be seen that there are 3 pairs of non-zero element positions complementary to the codebook; these 6 codebooks can be system pre-configured or semi-statically configured.
  • the four codewords included in each codebook may be used to process different data to be sent, for example, mapping, modulating, respectively, "00", "01", “10", “11” Or coded as one of the 4 code words in a codebook.
  • each transmitter obtains two codewords with non-zero element positions complementary from multiple codebooks, and may adopt a method similar to that of the example 1, for example, obtaining non-zero element positions from multiple codebooks. Complementing two codebooks, respectively obtaining one codeword from two codebooks;
  • the method is advantageous for saving the cost of the codebook configuration or signaling;
  • the K transmitters respectively obtain two codewords with non-zero element positions complementary from the plurality of codebooks, and the system may allocate 6 codebooks to the three transmitters by using preset rules or configuration information.
  • Each transmitter uses two codebooks with complementary non-zero element positions.
  • the codebooks used by the three transmitters are different from each other, that is, no collision occurs.
  • three transmitters can respectively obtain two codes from them.
  • the two codewords are obtained, and the X data are processed by using the obtained two codewords, and the processed data is subjected to non-orthogonal multiple access and multiplexing transmission in the same transmission resource.
  • FIG. 24 is another schematic diagram of multiple codebooks according to an embodiment of the present application.
  • a plurality of codebooks shown in FIG. 23 may also be acquired according to the sequence set shown in FIG. 20; specifically, for example, each sequence in the sequence set shown in FIG. 20 is used as a codebook. At this time, there is only one codeword in each codebook, and the codeword is used as the base codeword, and then other codewords in each codebook are generated according to system preset rules, wherein the system preset rules include: other codes The association or mapping relationship between the word and the base codeword, the specified adjustment of the base codeword, or multiplication of the base codeword by a specified vector or matrix; for the same reason, the map can be acquired according to the sequence set shown in FIG.
  • the plurality of codebooks shown in FIG. 23 can also acquire the plurality of codebooks shown in FIG. 23 based on the sequence set shown in FIG. 21.
  • the two non-zero elements of each codeword in each codebook use the same pattern, and the W in each codebook.
  • the 2 non-zero elements of each codeword in each codebook may be the same or different.
  • the non-zero elements of the Wth codeword in each codebook may also be the same or different.
  • sequence, the pattern, and the codeword provided in the above examples of the present application may have the same sparse feature, that is, the locations of the non-zero elements are the same; the schematic diagrams of the sequences, patterns, and codewords provided in the drawings of the present application may be interchanged. Or sharing, for example, a schematic diagram of a sequence can also be used as a schematic for a pattern or codeword.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present application which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present application.
  • a data processing device is also provided, which is used to implement the above embodiments, and will not be described again.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • 25 is a block diagram of a data processing apparatus according to an embodiment of the present application. As shown in FIG. 25, the flow includes the following steps:
  • the obtaining module 252 is configured to acquire N sequences or patterns
  • the processing module 254 is configured to process X data by using the N sequences or patterns, wherein the positions of the non-zero elements of the N sequences or patterns are different, N is an integer greater than 1, and X is greater than or equal to An integer of 1.
  • the positions of the non-zero elements of the N sequences or patterns are complementary.
  • the lengths of the N sequences or patterns are all L, wherein the positions of the non-zero elements of the N sequences or patterns are different from each other, occupying mutually different positions in the L positions, respectively, and
  • the number of non-zero elements of the N sequences or patterns totals L, and L is an integer greater than one.
  • the lengths of the N sequences or patterns are different.
  • the obtaining module 252 is further configured to perform one of the following steps:
  • the processing module 254 further includes:
  • a processing unit configured to expand, modulate, map, or encode the X data using the N sequences to obtain N data symbol groups;
  • the first mapping unit is configured to map the X data onto the designated transmission resource using the N patterns, to form a transmission signal and transmit.
  • the processing module 254 further includes:
  • a second mapping unit configured to perform an extension, modulation, mapping, or encoding process on the X data by using the N sequences, and after obtaining N data symbol groups, mapping the N data symbol groups to a specified transmission resource Used to form a transmit signal and transmit.
  • the second mapping unit is further configured to perform one of the following steps:
  • N data symbol groups are mapped onto M transmission resource groups, where M is an integer greater than one and less than N.
  • the first mapping unit is further configured to perform one of the following steps:
  • the X data is mapped onto the M transmission resource groups using the N patterns, where M is an integer greater than 1 and less than N.
  • the processing module 254 further includes:
  • the determining unit is configured to determine the specified transmission resource according to at least one of the following manners: randomly selecting, determining according to a system preset rule, system preset, and determining according to system configuration information.
  • the X data comprises one of the following:
  • each bit group comprising a plurality of bits
  • each symbol group including multiple symbols.
  • the X is an integer less than or equal to N, or N/X is an integer greater than or equal to 1.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • Embodiments of the present application also provide a storage medium having stored therein a computer program, wherein the computer program is configured to execute the steps of any one of the method embodiments described above.
  • the above storage medium may be configured to store a computer program for performing the following steps:
  • N is an integer greater than 1
  • X is an integer greater than or equal to 1.
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (RAM). ), removable hard drives, disks, or optical discs, and other media that can store computer programs.
  • Embodiments of the present application also provide an electronic device including a memory and a processor having a computer program stored therein, the processor being configured to execute a computer program to perform the steps of any of the above method embodiments.
  • the electronic device may further include a transmission device and an input and output device, wherein the transmission device is connected to the processor, and the input and output device is connected to the processor.
  • the above processor may be configured to perform the following steps by a computer program:
  • N is an integer greater than 1
  • X is an integer greater than or equal to 1.
  • modules or steps of the present application can be implemented by a general computing device, which can be concentrated on a single computing device or distributed in a network composed of multiple computing devices.
  • they may be implemented by program code executable by a computing device such that they may be stored in a storage device for execution by the computing device and, in some cases, may differ from this
  • the steps shown or described are performed sequentially, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated into a single integrated circuit module.
  • the application is not limited to any particular combination of hardware and software.

Abstract

La présente invention concerne un procédé et un appareil de traitement de données. Le procédé consiste à : obtenir N séquences ou motifs ; et traiter X parties de données selon les N séquences ou motifs, les positions d'éléments non nuls des N séquences ou motifs étant différentes, N étant un nombre entier supérieur à 1, et X étant un nombre entier supérieur ou égal à 1.
PCT/CN2018/119923 2017-12-25 2018-12-07 Procédé et appareil de traitement de données WO2019128678A1 (fr)

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