[go: up one dir, main page]

WO2016209041A1 - Système de communication à entrées multiples et sorties multiples et dispositif d'émission-réception associé - Google Patents

Système de communication à entrées multiples et sorties multiples et dispositif d'émission-réception associé Download PDF

Info

Publication number
WO2016209041A1
WO2016209041A1 PCT/KR2016/006799 KR2016006799W WO2016209041A1 WO 2016209041 A1 WO2016209041 A1 WO 2016209041A1 KR 2016006799 W KR2016006799 W KR 2016006799W WO 2016209041 A1 WO2016209041 A1 WO 2016209041A1
Authority
WO
WIPO (PCT)
Prior art keywords
bit information
information
stbc
transmission
combination
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2016/006799
Other languages
English (en)
Korean (ko)
Inventor
한동석
박명철
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Industry Academic Cooperation Foundation of KNU
Original Assignee
Industry Academic Cooperation Foundation of KNU
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Industry Academic Cooperation Foundation of KNU filed Critical Industry Academic Cooperation Foundation of KNU
Publication of WO2016209041A1 publication Critical patent/WO2016209041A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity

Definitions

  • the present invention relates to a multi-input multi-output (MIMO) communication system, and a signal transmitting / receiving apparatus of the system, wherein the combination of the transmitting antennas is determined using the first bit information of the transmission signal and the rest of the transmission signal.
  • MIMO communication system and a transceiver of the system.
  • Orthogonal Frequency Division Mulitplexing (OFDM) system that can be used by sharing frequency is the next generation. It is attracting much attention as a wireless multimedia transmission technology.
  • OFDM Orthogonal Frequency Division Mulitplexing
  • the wireless environment As the demand for high-speed data transmission and the simultaneous connection of many users increases, a lot of researches are being conducted to enable the use of a limited frequency more efficiently.
  • the most representative of the transmit diversity schemes is the STBC technique, which shows excellent performance at low speed, but degrades due to delay caused by feedback at high speed.
  • the Bell Lab Layered Space Time (MIMO) method of Bell Lab Layered Space Time (BMO) proposed by Bell Lab to increase the multiplexing gain is possible.
  • This method transmits and receives in rich scattering environment.
  • multiple independent fading channels can be formed and different signals can be transmitted for each transmit antenna, resulting in a significant improvement in data rate.
  • the BLAST-OFDM scheme can be easily applied to a multipath environment because the MIMO scheme assumes flat fading having a bandwidth smaller than the coherence bandwidth of the channel.
  • the BLAST system employing the OFDM scheme has an advantage that the influence of the multipath delay is attenuated by the use of CP and approximated to a flat fading channel so that the receiver can detect a signal without using additional hardware.
  • V-BLAST when using multiple transmit / receive antennas by applying V-BLAST, it is possible to effectively increase the transmission rate even with low calculation amount.
  • STBC-SM Space Time Block Coded Spatial Modulation
  • STBC-SM Space Time Block Coded Spatial Modulation
  • STBC-SM Space Time Block Coded Spatial Modulation
  • the STBC-SM technique is very inefficient because it uses only two transmit antennas among a plurality of transmit antennas in terms of bandwidth efficiency. Accordingly, there is a need for a technique for improving frequency efficiency or bandwidth efficiency by utilizing other transmission antennas.
  • the present invention has been made to solve the above problems, MIMO communication system that can transmit additional bit information without changing the size of the bandwidth by transmitting the transmission symbol through all transmission antennas using the STBC and SM techniques , And a transceiver for the system.
  • the communication system efficiency is further increased, and a transceiver of the system.
  • the transmission data input unit for receiving the transmission data consisting of the first bit information and the second bit information;
  • a mapping selector for determining a combination of transmit antennas based on first bit information of the transmit data;
  • a plurality of STBC (Space Time Block Coding) encoding units for dividing and modulating the second bit information into a plurality of pieces, and encoding the modulation information by STBC (Space Time Block Code) by rotating phases of each modulation information by different angle components;
  • a transmission antenna unit for transmitting the signal information encoded through the plurality of STBC encoding units according to a transmission antenna combination determined by the mapping selection unit;
  • a reception antenna unit for receiving signal information transmitted from the transmission antenna unit;
  • a mapping detector for detecting a combination of transmit antennas using the received signals and detecting first bit information corresponding thereto;
  • a plurality of STBC decoding units for dividing the received signal information into a plurality of STBCs according to the sensed transmission antenna combinations and decoding the same by STBC (Space-Time Block Coding)
  • the size of the first bit information may be set corresponding to the number of antennas of the transmitting antenna unit.
  • the mapping detector may detect a combination of transmit antennas using phase information of signals received through the receive antennas including a plurality of receive antennas.
  • a transmission apparatus of a MIMO communication system includes: a transmission data input unit configured to receive transmission data including first bit information and second bit information; A mapping selector for determining a combination of transmit antennas based on first bit information of the transmit data; A plurality of STBC (Space Time Block Coding) encoding units for dividing and modulating the second bit information into a plurality of pieces, and encoding the modulation information by STBC (Space Time Block Code) by rotating phases of each modulation information by different angle components; And a transmission antenna unit for transmitting the signal information encoded through the plurality of STBC encoding units according to the transmission antenna combination determined by the mapping selection unit.
  • STBC Space Time Block Coding
  • the size of the first bit information may be set corresponding to the number of antennas of the transmitting antenna unit.
  • the modulation method of the second bit information and different angular component values may be set by a user.
  • the receiving antenna unit for receiving the transmitted signal information;
  • a mapping detector for detecting a combination of transmit antennas using the received signals and detecting first bit information corresponding thereto;
  • a plurality of STBC decoding units for dividing the received signal information into a plurality of STBCs according to the sensed transmission antenna combinations and decoding the same by STBC (Space-Time Block Coding) and rotating by different angle components to detect second bit information;
  • a reception data output unit configured to output transmission data using the first bit information and the second bit information.
  • the mapping detector may detect a combination of transmit antennas using phase information of signals received through the receive antennas including a plurality of receive antennas.
  • the transceiver of the system determines a combination of the transmission antenna based on the first bit information of the transmission data to be transmitted, and the second bit information which is the remaining bit information of the transmission data Is modulated into a plurality of pieces, and the phase of each modulation information is rotated by different angular components to be encoded by STBC, and by transmitting and receiving the encoded signal according to the determined transmission antenna combination to transmit meaningful information using all transmission antennas.
  • the present invention has the effect that it is possible to transmit additional bit information without expanding the bandwidth through the above technical configuration.
  • FIG. 1 is a diagram showing a MIMO communication system according to the present invention.
  • FIG. 2 illustrates an embodiment of a MIMO communication system applicable to the present invention
  • FIG. 3 is a diagram illustrating a simulation result of the MIMO communication system according to FIG. 2 and a conventional communication technique.
  • first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
  • FIG. 1 is a diagram illustrating a MIMO communication system according to the present invention.
  • the MIMO communication system includes a transmission data input unit 10 that receives transmission data composed of first bit information and second bit information; A mapping selector 20 for determining a combination of transmit antennas based on first bit information of the transmit data; A plurality of space time block coding (STBC) encoding units 30 which modulate the second bit information into a plurality of pieces and rotate the phases of each modulation information by different angle components to encode the second bit information into space time block codes (STBCs); ; A transmission antenna unit (40) for transmitting the signal information encoded by the plurality of STBC encoding units (30) according to the transmission antenna combination determined by the mapping selection unit (20); A receiving antenna unit 50 for receiving signal information transmitted from the transmitting antenna unit 40; A mapping detector 60 for detecting a combination of transmission antennas using the received signals and detecting first bit information corresponding thereto; A plurality of STBC decoding units (70) for dividing received signal information into a plurality of STBCs according to the sensed transmission antenna combinations and decoding
  • STBC space time block coding
  • the number of transmitting antennas A and the number of receiving antennas B may be applied, and as A and B values, all values corresponding to 2 ⁇ k (k is an arbitrary natural number) Can be applied.
  • the transmission data input unit 10 receives the transmission data including the first bit information and the second bit information, and classifies the bit information to provide the mapping selection unit 20 and the plurality of STBC encoding units 30.
  • upper bit information of the transmission data may be applied as the first bit information
  • bit information other than the first bit information of the transmission data may be applied as the second bit information.
  • the mapping selector 20 determines a combination of transmit antennas based on the first bit information.
  • the size of the first bit information may be set corresponding to the A value of the number of transmission antennas. For example, when the A value is 4, the size of the first bit information may be set to 2 bits, and when 8, the size of the first bit information may be set to 3 bits. As such, if the number of transmitting antennas is 2 ⁇ a, the size of the first bit information may be set to a bits.
  • the mapping selector 20 determines the transmission antenna combination through the first bit information as described above.
  • one of the transmission antenna combinations may be determined according to the value of the first bit information among a total of 2 ⁇ a transmission antenna combinations. For example, when the value of the first bit information is 1, each signal encoded by the first STBC encoder 30-1 to the N-th STBC encoder 30-N is sequentially transmitted to the first antenna of the transmit antenna unit. A transmission antenna may be allocated to the Nth transmission antenna and transmitted.
  • each signal encoded by the first STBC encoding unit 30-1 to the Nth STBC encoding unit 30-N is transmitted to the transmission antenna unit 40, respectively.
  • each STBC encoding section 30 includes a modulation section 31, STBC module 33, each STBC encoding section 30 is a phase rotation section 32 for rotating the phase information by different angle components ).
  • the phase rotation component of the first STBC encoding unit 30-1 is 0 rad, and a separate phase rotation unit 32 may not be substantially applied as shown in FIG. 1.
  • the MIMO communication system according to the present invention can be configured to include a total of N-1 phase rotation unit 32 as shown in FIG.
  • the second bit information of the transmission data is sequentially transmitted to the first modulator 31-1 to the N-th modulator 31 -N. Subsequently, each modulator 31 performs data modulation on signal information input (transmitted) based on a modulation method determined according to a user's input or setting.
  • a modulation method Binary Phase Shift Keying (BPSK), Quadrature Phase Shift Keying (QPSK), Quadrature Amplitude Modulatijon (16-QAM), Quadrature Amplitude Modulatijon (64-QAM), and the like may be applied.
  • the signal information modulated by the second to Nth modulators 31 is provided to corresponding phase rotation units 32, respectively.
  • the signal information modulated by the first modulator 31-1 may be provided to the first STBC module 33-1 without additional phase rotation.
  • the first phase rotating part 32-1 to the N-th phase rotating part 32-(N-1) rotate the phase of the transmitted signal information by a predetermined angle component.
  • the first phase rotation unit 32-1 rotates the transmitted signal information by ⁇ (rad)
  • the N-1 phase rotation unit 32-(N-1) transmits the transmitted signal information (N).
  • -1) * ⁇ (rad) can be rotated. Accordingly, the phase information rotated by each phase rotation unit 32 may be set differently.
  • the first to N-th STBC modules 33 encode each transmitted signal information by STBC (Space Time Block Coding).
  • STBC Space Time Block Coding
  • the first to N-th STBC modules 33 generate a space-time block code by blocking each signal to be transmitted by antenna and time.
  • the space-time block code is defined by a transmission matrix G of size P * n T.
  • p is the length of the space-time block code
  • n T is the number of transmit antennas.
  • G consists of a linear combination of signals (symbols) to be transmitted and their conjugate complex numbers.
  • the transmission matrix G in the STBC system having a length of a space time block code of 2 and two transmitting antennas may be applied as in Equation 1 below.
  • the transmission antenna combination information l determined by the mapping selecting unit 20 and the signal (symbol) information encoded by each STBC encoding unit 30 are transmitted to the transmission antenna unit 40. Subsequently, the transmission antenna unit 40 transmits the signal information encoded through the first through N-th STBC modules according to the transmission antenna combination determined by the mapping selection unit.
  • the receiving antenna unit 50 receives signal information transmitted from the transmitting antenna unit 40 including the plurality of transmitting antennas.
  • the mapping detector 60 detects a combination of transmit antennas by using signal information received through the receive antenna unit 50 and detects first bit information corresponding thereto.
  • the mapping detection unit 60 may detect a combination of transmission antennas by using phase information of signals received through the reception antenna unit 50 including a plurality of reception antennas.
  • the mapping detector 60 may detect a combination of transmit antennas using a maximum likelihood (ML) detection method.
  • ML maximum likelihood
  • the signal information received according to the transmission antenna combination detected by the mapping detector 60 is divided into a plurality of pieces and provided to the first to Nth STBC decoding units 70.
  • the first to N-th STBC decoding units 70 respectively decode the received signal information into STBC and rotate by a predetermined angle component to detect the second bit information.
  • the second STBC decoding unit 70-2 may decode the transmitted signal information into STBC, and detect the corresponding signal information by reversely rotating by ⁇ (rad).
  • the N-th STBC decoding unit 70-N decodes the transmitted signal information into STBC, and reversely rotates by (N-1) * ⁇ (rad) to detect corresponding signal information.
  • the first STBC decoding unit 70-1 may decode the transmitted signal information into the STBC and detect corresponding signal information without additional phase rotation.
  • the angular component value at which the first through N-th STBC decoding units 70 rotate the phase of the decoded signal information to detect the signal information is transmitted to the first through N-th STBC encoders 30 of the transmitter. Can be set correspondingly.
  • the reception data output unit 80 outputs transmission data by using the first bit information and the second bit information provided from the mapping detector 60 and the first to N th STBC decoding units 70.
  • FIG. 2 is a diagram illustrating an embodiment of a MIMO communication system applicable to the present invention.
  • the transceiver of the MIMO communication system includes two STBC encoders 230 and STBC decoders 270, respectively. Accordingly, four transmit antennas may be configured. have.
  • first bit information having a size of 2 bits among the transmission data input to the transmission data input unit 210 is provided to the mapping selector 220.
  • the second bit information may be encoded as S 1 and S 2 provided through the first STBC encoding unit 230-1 and the second STBC encoding unit 230-2.
  • S 1 and S 2 provided through the first STBC encoding unit 230-1 and the second STBC encoding unit 230-2.
  • S i is a transmission matrix of the i-th STBC encoder 230 and sij means a j-th input signal (symbol) of the i-th STBC encoder 230.
  • a row denotes an order of a transmitting antenna
  • a column denotes a symbol duration.
  • the transmission antenna unit 240 transmits a transmission signal as shown in Equation 3 below according to the transmission antenna combination information l provided from the mapping selection unit 220.
  • N t means the number of transmit antennas
  • the column of the matrix means 2 symbol periods.
  • Such a transmission signal matrix is determined by the transmission antenna combination information l.
  • the mapping selecting unit 220 determines the transmission antenna combination information l based on the first bit information.
  • the mapping selection unit 220 may determine the transmission antenna combination information l by the following method. For example, when the first bit information is 00, the transmission antenna combination information l may be determined as 1. Alternatively, when the first bit information is 11, the transmission antenna combination information (l) value may be determined as 4.
  • the spectral efficiency according to the number of transmission antenna combinations c determined by the mapping selector 220 may be expressed by Equation 4 below.
  • n denotes a spectral efficiency value
  • M denotes a modulation order
  • the transmission antenna combination information 1 determines a transmission antenna for transmitting the encoded (encoded) signal information through each STBC encoding unit 230. For example, when the transmission antenna combination information (l) has a value of 1, the signal (symbol) S 1 encoded through the first STBC encoding unit 230-1 is transmitted through the first and second transmission antennas, The signal (symbol) S 2 encoded through the second STBC encoding unit 230-2 is transmitted through the third and fourth transmission antennas. Accordingly, according to the present invention, additionally 2 bits of information can be transmitted for 2 symbol durations without additional bandwidth.
  • a signal transmitted and received through the MIMO communication system according to the present invention may be represented by Equation 5 below.
  • Y denotes a received signal matrix having a size of N r * 2
  • N r denotes the number of receive antennas.
  • H is a random matrix of size N r * N t , and each entry has an average value of 0 and has an independent and identically distributed Gaussian random variable distribution.
  • N is a noise matrix of size N r * 2, and each entry has a value of 0 and an variance of ⁇ N 2 .
  • the transmission signals symbols have a unit energy (for example, Is assumed.
  • the transmitter of the MIMO communication system transmits the signal encoded through the second STBC encoder 230-2 by rotating a predetermined angle phase so that the receiver can detect a combination of transmit antennas.
  • a rotation angle value for maximizing an Euclidean distance between the received signals (symbols) may be applied.
  • an optimal rotation angle value may be determined as shown in Equation 6 below according to the signal modulation scheme of the first and second modulators.
  • the receiving device may receive signal information as shown in Equation 7 through the receiving antenna unit 250.
  • Equation 7 If Equation 7 is simply shown, it can be expressed as Equation 8 below.
  • s is a transmitted signal vector of size N t * 1
  • y is a received signal vector of size 2N r * 1
  • n is a transmitted Gaussian noise vector of size 2N r * 1
  • H l is 2N r * N t Decoding channel matrix of size.
  • the mapping detector 260 is According to Equation 9 below, a transmission antenna combination (l) value may be detected.
  • mapping detector may detect the transmit antenna combination l by selecting the minimum metric satisfying Equation 10 below.
  • the second bit information may be detected by Equation 11 below through the first STBC decoding unit 270-1 and the second STBC decoding unit 270-2 according to the detected transmission antenna combination value. .
  • FIG. 3 is a diagram illustrating a simulation result of the MIMO communication system according to FIG. 2 and a conventional communication technique.
  • the MIMO communication system according to the present invention is referred to as DSTTD-SM for convenience.
  • Figure 3 shows the performance of the prior art according to Alamouti STBC, OSTBC 3/4, SM, STBC-SM, DSTTD and the MIMO communication system (DSTTD-SM) according to the present invention at a spectral efficiency of 3 bits / s / Hz. Indicates.
  • the STBC communication technique uses two transmit antennas and the other communication techniques utilize four communication antennas.
  • all communication techniques utilize four receive antennas.
  • the reception performance of the MIMO communication system according to the present invention is superior to other communication techniques.
  • the BER (Bit Error Rate) value is 10 -3 and has superior characteristics compared to other communication techniques.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

La présente invention concerne un système de communication à entrées multiples et sorties multiples (ci-après, MIMO) et un dispositif d'émission-réception de signal pour le système. La présente invention concerne un système de communication MIMO et un dispositif d'émission-réception pour le système, qui peuvent déterminer une combinaison d'antennes de transmission, à l'aide de premières informations de bit d'un signal de transmission, et transmettre les informations de bit restantes (secondes informations de bit) du signal de transmission par application d'un mécanisme de codage de bloc spatio-temporel (STBC) et d'un mécanisme de multiplexage spatial (SM) différents, ce qui permet de fournir des informations de bits supplémentaires sans augmenter une bande passante d'un canal en comparaison avec la technologie classique.
PCT/KR2016/006799 2015-06-26 2016-06-24 Système de communication à entrées multiples et sorties multiples et dispositif d'émission-réception associé Ceased WO2016209041A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20150091513 2015-06-26
KR10-2015-0091513 2015-06-26

Publications (1)

Publication Number Publication Date
WO2016209041A1 true WO2016209041A1 (fr) 2016-12-29

Family

ID=57585772

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2016/006799 Ceased WO2016209041A1 (fr) 2015-06-26 2016-06-24 Système de communication à entrées multiples et sorties multiples et dispositif d'émission-réception associé

Country Status (1)

Country Link
WO (1) WO2016209041A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070147543A1 (en) * 2005-12-22 2007-06-28 Samsung Electronics Co., Ltd. Extension of space-time block code for transmission with more than two transmit antennas
US20070211815A1 (en) * 2006-03-10 2007-09-13 Interdigital Technology Corporation Method and apparatus for scaling soft bits for decoding
US20090285325A1 (en) * 2006-11-22 2009-11-19 Liang Zhou MIMO-OFDM Communication System And Communication Method Of Same
JP2011515907A (ja) * 2008-02-25 2011-05-19 ザイリンクス インコーポレイテッド 無線ネットワーク情報に基づく、物理層の部分再構成

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070147543A1 (en) * 2005-12-22 2007-06-28 Samsung Electronics Co., Ltd. Extension of space-time block code for transmission with more than two transmit antennas
US20070211815A1 (en) * 2006-03-10 2007-09-13 Interdigital Technology Corporation Method and apparatus for scaling soft bits for decoding
US20090285325A1 (en) * 2006-11-22 2009-11-19 Liang Zhou MIMO-OFDM Communication System And Communication Method Of Same
JP2011515907A (ja) * 2008-02-25 2011-05-19 ザイリンクス インコーポレイテッド 無線ネットワーク情報に基づく、物理層の部分再構成

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PARK, MYUNG CHUL ET AL.: "A Golden Coded-Spatial Modulation MIMO System", JOURNAL OF THE INSTITUTE OF ELECTRONICS AND INFORMATION ENGINEERS, vol. 50, no. 10, October 2013 (2013-10-01), pages 31 - 40, Retrieved from the Internet <URL:http://www.dbpia.co.kr/Article/NODE02273323> *

Similar Documents

Publication Publication Date Title
KR101151130B1 (ko) 완전 다이버시티 완전 데이터 레이트 시공간 블록 부호를 이용한 데이터 송수신 방법 및 장치
US10763924B2 (en) Wireless communication system, wireless communication device, and wireless communication method
US7440510B2 (en) Multicarrier transmitter, multicarrier receiver, and methods for communicating multiple spatial signal streams
KR100754795B1 (ko) 직교주파수분할다중 시스템에서 주파수 공간 블록 부호의부호화/복호화 장치 및 방법
CA2575701C (fr) Appareil et procede de codage de bloc espace-temps-frequence a l&#39;aide d&#39;indicateurs de qualite du canal
KR100698770B1 (ko) 광대역 무선통신시스템에서 시공간 부호화 데이터의 부반송파 사상 장치 및 방법
US20050002325A1 (en) Space-time-frequency coded OFDM communications over frequency-selective fading channels
WO2006002550A1 (fr) Systeme et procede de mappage de symboles pour transmission mimo
WO2007119415A1 (fr) Procede d&#39;attribution de frequence, procede de detection, dispositif de transmission et dispositif de reception
CN1770677A (zh) 用于空时频率分组编码的装置和方法
JP2006191645A (ja) 無線通信システムにおける時空間周波数ブロック符号化装置及び方法
RU2340100C1 (ru) Устройство и способ частотно-пространственно-временного блочного кодирования для повышения производительности
US20240314757A1 (en) Transmitting and Receiving Signals Using Multiple Carriers From Multiple Antenna
KR100780364B1 (ko) 성능 향상된 시공간 블록 부호화 장치 및 방법
KR100751601B1 (ko) 트랜스미터 및 시공간 부호화와 공간 멀티플렉싱의 결합
TWI465083B (zh) 在一具有多天線之無線通訊系統中用於編碼時空碼之方法
WO2016209041A1 (fr) Système de communication à entrées multiples et sorties multiples et dispositif d&#39;émission-réception associé
EP2297907B1 (fr) Transmission de paquets en parallèle
Pillai et al. Performance comparison of multicast MIMO systems employing spatial modulation and coded spatial modulation in fading channels
Kamruzzaman et al. Performance of capacity-based adaptive STBC-VBLAST MIMO wireless communication
KR101208543B1 (ko) 복수의 순환 지연 값에 따라 순환 지연을 수행하는 다중안테나 시스템에서의 송신 방법
KR101073921B1 (ko) 다중 안테나 시스템에 적용되는 신호 전송 방법
Murthy et al. Full rate general complex orthogonal space-time block code for 8-transmit antenna
AKM Nazrul Islam et al. Performance analysis of a mimo-OFDM wireless link with space-time block code (STBC)
Islam et al. PERFORMANCE ANALYSIS OF A MIMO-OFDM WIRELESS LINK WITH SPACE-TIME BLOCK CODE (STBC)

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16814754

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16814754

Country of ref document: EP

Kind code of ref document: A1