WO2017209418A2 - Procédé et appareil de transmission en liaison montante de base non orthogonale - Google Patents

Procédé et appareil de transmission en liaison montante de base non orthogonale Download PDF

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Publication number
WO2017209418A2
WO2017209418A2 PCT/KR2017/005178 KR2017005178W WO2017209418A2 WO 2017209418 A2 WO2017209418 A2 WO 2017209418A2 KR 2017005178 W KR2017005178 W KR 2017005178W WO 2017209418 A2 WO2017209418 A2 WO 2017209418A2
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Prior art keywords
data
terminal
generating
uplink
equation
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English (en)
Korean (ko)
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WO2017209418A3 (fr
Inventor
윤찬호
고영조
백승권
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Electronics and Telecommunications Research Institute ETRI
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Electronics and Telecommunications Research Institute ETRI
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Priority claimed from KR1020170061274A external-priority patent/KR102322497B1/ko
Application filed by Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI
Priority to US16/094,317 priority Critical patent/US10862627B2/en
Publication of WO2017209418A2 publication Critical patent/WO2017209418A2/fr
Publication of WO2017209418A3 publication Critical patent/WO2017209418A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes

Definitions

  • the present invention relates to a non-orthogonal based uplink transmission method and apparatus.
  • the uplink (UL) of the conventional cellular network is configured based on orthogonal transmission.
  • Orthogonal transmission means that resources do not overlap between terminals in time, frequency, or code. Accordingly, the base station receives an uplink transmission signal of a terminal using independent resources, and demodulates a user signal transmitted by one terminal without interference with another user signal.
  • uplink transmission of all terminals must be operated solely based on control and scheduling information of the base station. That is, the base station should directly inform the terminal of the allocation of time, frequency, or code resources, and all the terminals should receive this allocation result. Therefore, if there is data to be transmitted by the terminal through the uplink, 1 first, a scheduling request (SR) must be transmitted to the base station. After that, the base station receives the SR and transmits scheduling information (or grant information) including time information (or frequency information, code information), a data size, a modulation scheme, and a channel coding rate to all terminals. do.
  • SR scheduling request
  • the orthogonal uplink system since the orthogonal uplink system must be accompanied by 1 and 2, delay and power consumption until the actual uplink transmission is performed are increased.
  • the SR procedure and the grant procedure act as a significant overhead.
  • uplink transmission timing alignment should be performed before SR is performed.
  • An object of the present invention is to provide a non-orthogonal based uplink transmission method and apparatus.
  • an uplink transmission method of a terminal may include: receiving a unique first identifier of the terminal from a base station; Generating first uplink data; And generating second uplink data by applying interleaving based on the first identifier to the first uplink data.
  • the generating of the second uplink data may include: generating a plurality of parameters by using the first identifier; Generating first data by applying interleaving based on a first parameter of the plurality of parameters to the first uplink data; And generating second data by applying interleaving based on a second parameter among the plurality of parameters to the first data.
  • Generating the plurality of parameters comprises: dividing the bits of the first identifier into a plurality of bit sets; And using decimal values represented by the plurality of bit sets as values of the plurality of parameters.
  • the generating of the first uplink data may include generating the first uplink data by applying channel coding and spreading to bit data.
  • the uplink transmission method of the terminal may further include generating third uplink data by applying scrambling based on the first identifier to the second uplink data.
  • the uplink transmission method of the terminal may include generating modulation of the fourth uplink data by applying modulation to the third uplink data; And generating fifth uplink data by applying phase rotation based on the first identifier to the fourth uplink data.
  • the uplink transmission method of the terminal may further include generating a preamble based on the first identifier.
  • the uplink transmission method of the terminal may further include determining a length of zero padding for the second uplink data based on the distance between the terminal and the base station.
  • an uplink transmission method of a terminal may include partitioning uplink data into a plurality of bit groups; Applying interleaving based on a unique identifier of the terminal to a first bit group of the plurality of bit groups; And applying interleaving based on the unique identifier to a second bit group of the plurality of bit groups.
  • Applying the interleaving based on the unique identifier to the first group of bits comprises: extracting a plurality of parameters from the unique identifier; Generating first data by applying interleaving based on a first parameter of the plurality of parameters to the first bit group; And generating second data by applying interleaving based on a second parameter among the plurality of parameters to the first data.
  • Extracting the plurality of parameters comprises: dividing bits of the unique identifier into a plurality of bit sets; And using decimal values represented by the plurality of bit sets as values of the plurality of parameters.
  • a transmitter includes a channel encoder for generating uplink data through channel coding; Extracting a plurality of parameters from a unique identifier, applying interleaving based on a first parameter of the plurality of parameters to the uplink data to generate first data, and interleaving based on a second parameter of the plurality of parameters. And a signature part applied to the first data to generate second data.
  • the terminal since a non-orthogonal uplink transmission scheme is used and identifier information based terminal classification is used, the terminal does not need to perform a request procedure for separate scheduling and a procedure for receiving a grant. Through this, delay time and power consumption can be reduced.
  • a non-orthogonal multiplexing scheme suitable for grant-free may be provided.
  • a good element technology of fifth generation communication can be provided.
  • 1 is a diagram illustrating a propagation delay difference for each terminal from a base station perspective.
  • FIGS. 2 and 3 are diagrams illustrating a transmitter of each terminal when a plurality of terminals transmit a signal through uplink according to an embodiment of the present invention.
  • FIG. 4 is a diagram illustrating a relationship between a preamble and a pilot in an entire frame transmitted by a terminal according to an embodiment of the present invention.
  • FIG. 5 is a diagram illustrating a transmission time difference according to a geographical position and a length requirement of zero padding according to an embodiment of the present invention.
  • FIG. 6 illustrates a computing device, in accordance with an embodiment of the invention.
  • a component when referred to as being 'connected' or 'connected' to another component, the component may be directly connected to or connected to the other component, but in between It will be understood that may exist.
  • a component when referred to as 'directly connected' or 'directly connected' to another component, it should be understood that there is no other component in between.
  • the term 'comprises' or 'having' is only intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more. It is to be understood that it does not exclude in advance the possibility of the presence or addition of other features, numbers, steps, actions, components, parts or combinations thereof.
  • 'and / or' includes any combination of the plurality of listed items or any of the plurality of listed items.
  • 'A or B' may include 'A', 'B', or 'both A and B'.
  • a terminal includes a mobile terminal, a mobile station, an advanced mobile station, a high reliability mobile station, a subscriber station, It may also refer to a portable subscriber station, an access terminal, a user equipment (UE), a machine type communication device (MTC), or the like. May include all or part of the functionality of a mobile station, a high-reliability mobile station, a subscriber station, a portable subscriber station, an access terminal, user equipment, MTC, and the like.
  • UE user equipment
  • MTC machine type communication device
  • a base station includes an advanced base station (BS), a high reliability base station (HR-BS), a node B (NB), and an advanced node B (eNB: evolved node B), new radio node B (gNB), access point, radio access station, base transceiver station, mobile multihop relay (MSR) -BS , A relay station serving as a base station, a high reliability relay station serving as a base station, a repeater, a macro base station, a small base station, a femto base station, a home node B (HNB), a home Also referred to as eNB (HeNB), pico base station (pico BS), micro base station (micro BS) and the like, advanced base station, HR-BS, Node B, eNB, gNB, access point, radio access station, transmit and receive base station, MMR-BS, repeater, high reliability repeater, repeater, macro base station, small base station, femto base station,
  • MMR-BS mobile multihop relay
  • the present invention relates to a multiplexing technique for the physical layer of a wireless mobile communication system.
  • uplink is configured in a form in which orthogonal transmission between terminals is guaranteed.
  • the present invention relates to a method in which a terminal determines uplink transmission time by itself without control of a base station and performs uplink transmission. That is, the present invention relates to a non-orthogonal uplink transmission method in which orthogonality between terminals is not guaranteed. The present invention also relates to a method for receiving and distinguishing an uplink signal from a base station when the terminal performs non-orthogonal uplink transmission.
  • terminals using the same uplink resource do not transmit an uplink signal to the base station based on the grant information transmitted by the SR and the base station, but the terminal itself attaches a signature to the uplink signal and non-
  • a method of configuring and transmitting an uplink signal in an orthogonal manner will be described.
  • a method of applying a unique signature for each terminal to uplink transmission will be described.
  • the following describes a method for demodulating a non-orthogonal signal based on a unique signature of a terminal.
  • FIG. 1 is a diagram illustrating a propagation delay difference (or transmission time difference) for each terminal from a base station perspective.
  • the propagation delay difference for each terminal is caused by the geographical distance difference between the base station and the terminal.
  • FIG. 1 illustrates a case where a radius of a cell provided by a base station is 577.3 meters.
  • a time difference (eg, 1.924us) of signals transmitted by two terminals
  • CP cyclic prefix
  • guard band guard band
  • the terminal performs 1 random access to transmit a signal to the base station.
  • the base station transmits a synchronization signal as a reference to the terminal.
  • the terminal receives the sync signal transmitted by the base station, and then transmits a response signal to the base sync signal to the base station.
  • the base station informs the terminal of the transmission time adjustment value.
  • the transmission time adjustment of the terminal is possible only through five processes. However, delay and power consumption are high for the five processes to be performed.
  • UEs transmitting signals through UL in the licensed band perform uplink transmission of non-orthogonal and contention based types using the same resource, a procedure for receiving grant information after transmitting SR is omitted. can do.
  • an asynchronous system is provided that does not require uplink transmission timing adjustment, additional overhead, delay, and power consumption reduction may be expected.
  • 'non-orthogonal transmission' a licensed band cellular system for non-orthogonal uplink transmission
  • 'non-orthogonal transmission' or a solution for how non-orthogonal transmission is performed.
  • a unique identifier is assigned per terminal. That is, the terminal may be assigned a unique identifier (hereinafter, referred to as 'terminal unique identifier') from the base station.
  • 'terminal unique identifier' a unique identifier
  • the terminal acquires downlink (DL) frame timing information, which the base station uses as a reference, through a synchronization and system information description signal transmitted by the base station. Then, the UE may infer uplink frame timing information based on the obtained downlink frame timing information.
  • DL downlink
  • the UE may infer uplink frame timing information based on the obtained downlink frame timing information.
  • the UE After the UE acquires the uplink frame timing information, the UE transmits a registration request to the base station according to the uplink frame timing.
  • the terminal receives a temporary terminal identifier indicating that the registration is successful from the base station.
  • the temporary terminal identifier may be a cell (C) -RNTI (radio network temporary identifier) consisting of n bit information.
  • n-bit (eg, 16 bit) identifier information includes: 1 parameters of an interleaver (eg, parameters for S120 process) and 2 bit level. Alternatively, it may be used as a parameter of a sequence for sequence multiplication at a symbol level (eg, a parameter for step S131), or a parameter for determining a sequence of a synchronization signal (eg, a parameter for step S132).
  • FIGS. 2 and 3 are diagrams illustrating a transmitter of each terminal when a plurality of (eg, k) terminals (or users) transmit a signal through uplink according to an embodiment of the present invention.
  • FIG. 2 and 3 illustrate an uplink transmitter structure based on a unique identifier of a non-orthogonal scheme.
  • 2 illustrates an uplink transmitter for a single carrier
  • FIG. 3 illustrates an uplink transmitter for a multi-carrier.
  • the signals transmitted by the k transmitters are combined through uplink channels (e.g., h 0 , h 1 , ..., h (k-1) ), respectively, and the synthesized signal is additive (AWGN). Combined with white Gaussian noise.
  • This synthesized signal is received by a receiver (e.g., a receiver of a base station).
  • Each transmitter illustrated in FIG. 2 includes a channel encoder Tx110, a signature unit Tx120, a modulator Tx130, and a padding unit Tx140.
  • Each transmitter illustrated in FIG. 3 includes a channel encoder Tx110, a signature unit Tx120, a modulator Tx130, and a padding unit Tx150.
  • bit information of a user (eg, data of user 0, data of user 1, and data of user (k-1)) is input to a channel encoder Tx110 having a low code rate.
  • a user or terminal
  • bit information of a user eg, data of user 0, data of user 1, and data of user (k-1)
  • Tx110 having a low code rate.
  • R 1/24 is only an example, and the channel encoder Tx110 may have a different code rate.
  • the channel encoder Tx110 may be replaced by the channel coding unit Tx111 and the spreading unit Tx112.
  • the channel encoder Tx110 may apply channel coding and spreading to bit data to generate uplink data.
  • the terminal bit input to which channel coding (or channel coding and spreading) is applied by the channel encoder Tx110 is given a signature based on the unique identifier information received from the base station.
  • the process of applying unique identifier information as a signature to the output of the channel encoder Tx110 as a signature is performed in two processes S121 and S122.
  • Signature part Primary identifier information As signature Process applied to the output of the channel encoder (Tx110) (S120)
  • the signature unit Tx120 applies interleaving based on a unique identifier of the terminal to the output of the channel encoder Tx110 (eg, uplink data generated by the channel encoder Tx110).
  • the interleaver applied to the terminal is also unique. Since there are various identifiers, a method of designing the interleaver to correspond to the identifiers 1: 1 may be inefficient. Instead of this method, a method of performing interleaving by parameterizing one identifier information may be used. Through this, the terminal and the base station do not need to store information about the interleaving pattern.
  • parameters belonging to the identifier information correspond to block interleaving, respectively.
  • Equation 1 illustrates a method of concatenating a plurality of block interleaving when an identifier assigned to a terminal is parameterized and parameters belonging to the identifier correspond to block interleaving 1: 1. Indicates.
  • bit sequence input to the interleaver Tx121 of the signature part Tx120 may have a constant length regardless of the total information length (total bit length).
  • the implementation complexity increases. Therefore, when the total bit sequence length is divided into a plurality of bundles by the length of L itlv of Equation 1 and interleaving is applied to the limited interval, the implementation complexity is lowered and a fixed interleaver generation method is possible.
  • a high speed interleaver that applies a plurality of interleaving to L itlv length may be implemented.
  • the interleaver Tx121 of the signature unit Tx120 performs interleaving based on Equation 1 below.
  • M denotes the total output bit size (eg, the size of the output bit of the channel coding unit Tx111) that has undergone only channel coding, and d out denotes the output of the interleaver Tx121.
  • L itlv which is the length of v (i) may be about a length corresponding to a bandwidth (eg, a bit-level length).
  • a bandwidth eg, a bit-level length.
  • the bandwidth of an orthogonal frequency division multiplexing (OFDM) symbol corresponds to 72 subcarriers and a modulated symbol transmitted on each subcarrier corresponds to quadrature phase shift keying (QPSK)
  • QPSK quadrature phase shift keying
  • the time domain symbol may be an OFDM symbol or a single carrier (SC) -frequency division multiple access (FDMA) symbol.
  • SC single carrier
  • FDMA single carrier
  • the present invention may be applied to a case where the time domain symbol is a symbol different from an OFDM symbol or an SC-FDMA symbol.
  • a time domain symbol may be represented by a symbol.
  • the terminal may generate a plurality of parameters using a unique identifier of the terminal.
  • the signature unit Tx120 may divide bits belonging to the terminal unique identifier into a plurality of bit sets, and use decimal values represented by the plurality of bit sets as values of a plurality of parameters.
  • the plurality of parameters a 0 , a 1 , a 2 , a 3 may be obtained through n-bit identifier information (eg, C-RNTI, etc.) received from the base station by the terminal.
  • n-bit identifier information eg, C-RNTI, etc.
  • the process of generating a 0 , a 1 , a 2 , and a 3 may be based on Equation 2 below.
  • n-bit identifiers eg, RNTI, etc.
  • the binary numbers of the divided portions are converted to decimal numbers and mapped to a 0 , a 1 , a 2 , and a 3 , respectively.
  • Interleaving applied to each parameter a 0 , a 1 , a 2 , a 3 is referred to as block interleaving.
  • the interleaver (Tx121) is a plurality of parameters (a 0, a 1, a 2, a 3) of a first data by applying interleaving based on (for example, a 3) to the output of the channel encoder (Tx110) (E.g., d 1 ()) and interleaving based on another one (e.g., a 2 ) of the plurality of parameters a 0 , a 1 , a 2 , a 3 . 1 ()) to generate second data (eg, d 3 ()).
  • an interleaver (Tx121) is applied to the other of the second data interleaving based on (for example, a 1) (for example, d 3 ()) of the plurality of parameters (a 0, a 1, a 2, a 3) the 3 data (e.g., d 5 ()), and interleaving based on another one (e.g., a 0 ) of the plurality of parameters (a 0 , a 1 , a 2 , a 3 ). , d 5 ()) to generate fourth data (eg, d out ()).
  • a range of parameters a 0 , a 1 , a 2 , a 3 extracted from n-bit identifier information is 0 to 15.
  • the terminal may randomly select and use only one of the fixed interleavers. Through this, it is possible to change the identifier selection.
  • the non-orthogonal multiplexing scheme described above may perform multiplexing by a user (or terminal) specific interleaving pattern.
  • the seed for the user (or terminal) specific interleaving pattern is determined based on the identifier (eg, ID) of the terminal.
  • the method of determining such an interleaving pattern may include splitting uplink bit data (eg, output of the channel encoder Tx110) into a plurality of bit groups and interleaving the above-described concatenated interleaving (eg, equation 1) in each of the plurality of bit groups. ) Is how to apply.
  • the terminal may apply concatenated interleaving based on the terminal unique identifier to one of the plurality of bit groups, and when concatenation interleaving is completed, the terminal may apply concatenated interleaving based on the terminal unique identifier to the next bit group.
  • Equation 2 the number of decimals a 0 , a 1 , a 2 , and a 3 indicates how many times the block interleaving is performed.
  • Equation 2 illustrates a case where four block interleaving is performed and finally random interleaving v (i) is performed.
  • Equation 1 may be modified to match a system identifier (eg, ID), and thus the number of concatenated blocks interleaving may be added or subtracted.
  • a system identifier eg, ID
  • the ranges of each of the decimal numbers a 0 , a 1 , a 2 , and a 3 may be adjusted.
  • the UE may perform interleaving using its own interleaving pattern.
  • the scrambler Tx122 of the signature part Tx120 receives the output (eg, d out ) of the interleaver Tx121 and performs scrambling, as illustrated in Equation 3 below.
  • the scrambler Tx122 may apply scrambling based on a terminal unique identifier (eg, RNTI) to the output of the interleaver Tx121 (eg, data generated by the interleaver Tx121).
  • RNTI terminal unique identifier
  • Equation 3 e (i) refers to the output of the scrambler Tx122.
  • Equation 3 a function for generating a pseudo-random sequence Is generated through Equation 4 below. Specifically, May generate a pseudo random sequence based on a terminal unique identifier (eg, RNTI).
  • RNTI terminal unique identifier
  • the initial shift register value of x 2 () is Determined by
  • the modulator (Tx130) Perform modulation, symbol Phase rotation of the level ( symbol -level phase rotation Apply the secondary identifier information to the modulation result, and the tertiary identifier information (eg, Preamble , Pilot gadfly Based RS (reference signal) Adding process (S130)
  • the modulator Tx130 may apply modulation to the result of the signature unit Tx120 and may apply phase rotation based on the UE unique identifier (eg, RNTI) to the modulation result.
  • UE unique identifier eg, RNTI
  • the modulator Tx130 uses a modulation scheme (eg, BPSK modulation scheme) of Table 1 below or a modulation scheme (eg, QPSK modulation scheme) of Table 2 below.
  • a modulation scheme eg, BPSK modulation scheme
  • a modulation scheme eg, QPSK modulation scheme
  • BPSK binary phase shift keying
  • BPSK and QPSK are examples only, and other modulation schemes may be used.
  • the modulator Tx130 applies symbol-level phase rotation to the modulation result.
  • the phase rotation method of the modulator Tx130 may be based on Equation 5 below.
  • Equation 5 s' () represents the result of the phase rotation.
  • Equation 5 the value of a 5 is determined by a terminal unique identifier (eg, RNTI).
  • RNTI terminal unique identifier
  • a 5 may be one of the following cases.
  • the modulator Tx130 may generate a preamble and a pilot based on Equation 6 below. That is, the modulator Tx130 may generate a preamble and a pilot based on the terminal unique identifier (eg, RNTI).
  • the terminal unique identifier eg, RNTI
  • p '() means a preamble.
  • the preamble p '() may be mainly used for synchronization acquisition or channel estimation.
  • N corresponds to the length of the Zadoff-Chu sequence. That is, the value of N is composed of prime numbers, and the value of N for the preamble and the value of N for the pilot may be different.
  • FIG. 4 is a diagram illustrating a relationship between a preamble and a pilot in an entire frame transmitted by a terminal according to an embodiment of the present invention. Specifically, the uplink frame structure is illustrated in FIG. 4.
  • the terminal may know N 1 , N 2 , L 1 , and L 2 in advance.
  • the base station may set N 1 , N 2 , L 1 , and L 2 to inform the terminal.
  • the padding part (Tx140) Single carrier ( single carrier Zero for) Padding Perform or Padding (Tx150) Multi-carrier ( multi - carrier )for IFFT ( inverse fast Fourier transform ), Then cycle Cyclic padding (Yes, CP Insertion) process (S140)
  • FIG. 5 is a diagram illustrating a transmission time difference according to a geographical position and a length requirement of zero padding according to an embodiment of the present invention.
  • FIG. 5 illustrates a case where terminal A is located closest to a cell (or base station) and terminal B is located farthest from a cell (or base station) among terminals (eg, terminal A, terminal B, and terminal C).
  • y () represents a signal finally transmitted by the terminal (eg, terminal A, terminal B, terminal C).
  • the remaining end portion of the frame received at the base station (eg, the frame of the terminal B) except the zero padding is the base station.
  • the first reception is received before the end of the zero padding included in the first received frame (eg, the frame of the terminal A) or is received at the same time.
  • the terminal eg, terminal A, terminal B, terminal C
  • the length of zero padding inserted depends on the system's setting. For example, when the sampling rate of a symbol transmitted by the terminal is 240 Ksps, one sample may be zero padded.
  • Non-orthogonal transmission has been described using uplink transmission as an example, but this is only an example.
  • Non-orthogonal transmission according to an embodiment of the present invention can also be applied to downlink transmission.
  • the computing device TN100 of FIG. 6 may be a base station or a terminal described herein.
  • the computing device TN100 of FIG. 6 may be a wireless device, a communication node, a transmitter, or a receiver.
  • the computing device TN100 may include at least one processor TN110, a transceiver TN120 connected to a network to perform communication, and a memory TN130.
  • the computing device TN100 may further include a storage device TN140, an input interface device TN150, an output interface device TN160, and the like. Components included in the computing device TN100 may be connected by a bus TN170 to communicate with each other.
  • the processor TN110 may execute a program command stored in at least one of the memory TN130 and the storage device TN140.
  • the processor TN110 may refer to a central processing unit (CPU), a graphics processing unit (GPU), or a dedicated processor on which methods according to an embodiment of the present invention are performed.
  • Processor TN110 may be configured to implement the procedures, functions, and methods described in connection with embodiments of the present invention.
  • the processor TN110 may control each component of the computing device TN100.
  • Each of the memory TN130 and the storage device TN140 may store various information related to an operation of the processor TN110.
  • Each of the memory TN130 and the storage device TN140 may be configured of at least one of a volatile storage medium and a nonvolatile storage medium.
  • the memory TN130 may be configured as at least one of a read only memory (ROM) and a random access memory (RAM).
  • the transceiver TN120 may transmit or receive a wired signal or a wireless signal.
  • the computing device TN100 may have a single antenna or multiple antennas.
  • the embodiment of the present invention is not implemented only through the apparatus and / or method described so far, but may be implemented through a program that realizes a function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded.
  • Such implementations can be readily implemented by those skilled in the art from the description of the above-described embodiments.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

Selon l'invention, un terminal reçoit un premier identifiant unique du terminal à partir d'une station de base. Le terminal génère de premières données de liaison montante. En outre, le terminal applique un entrelacement sur la base du premier identifiant aux premières données de liaison montante et génère de secondes données de liaison montante.
PCT/KR2017/005178 2016-05-31 2017-05-18 Procédé et appareil de transmission en liaison montante de base non orthogonale Ceased WO2017209418A2 (fr)

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KR1020170061274A KR102322497B1 (ko) 2016-05-31 2017-05-17 비-직교 기반의 상향링크 전송 방법 및 장치
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JP4510077B2 (ja) * 2004-04-28 2010-07-21 サムスン エレクトロニクス カンパニー リミテッド 直交周波数分割多重接続通信システムにおける適応的アンテナシステムのためのプリアンブルシーケンス生成装置及び方法
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