A Study on layered Space Time Trellis codes for MIMO system based on Iterative Decoding Algorithm

Park, Taedoo; Jung, Ji-Won

doi:10.5394/kinpr.2012.36.10.845

Cited by 3 publications

(4 citation statements)

References 4 publications

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“…Comparing the results of simulation with two receiving antennas, using a BER of 4 10  , we confirmed that the performance of our proposed method, which connected the turbo code with STTC, was better than a conventional LST model based on hard decisions by approximately 9 dB. In contrast, the performance of the decoder system improved to approximately 2.5 dB more than that of the conventional model, which connected the turbo code with STTC.…”

Section: Simulation Resultssupporting

confidence: 64%

“…Fig. 2 shows that the LST model concatenate the STTC with turbo codes in a serial fashion [4]. In order to match the number of inputs and outputs from the BCJR decoder, we considered duo-binary turbo codes.…”

Section: Lst Model Based On Iterative Codesmentioning

confidence: 99%

“…Recently, MIMO System used LST (Layered Space Time codes) systems combining STC with iterative codes [4]. Turbo equalization has been shown to improve the performance of decoders via iteration by concatenating the inner and outer codes with extrinsic information [5].…”

Section: Introductionmentioning

confidence: 99%

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LDPC Coded Turbo Equalization for MIMO System

Baek¹,

Jung²

2017

JCM

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-In this paper, MIMO (Multiple-Input-Multiple Output) system based on turbo equalization techniques which LDPC (Low Density Parity Check) codes were outer code and STTC (Space Time Trellis Code) were employed as an inner code are studied. LDPC decoder and STTC decoder are connected through the interleaving and de-interleaving that updates each other's information repeatedly. On the receiver side, in processing the turbo equalization with STTC decoder, in order to feed extrinsic information to STTC decoder, the extrinsic information of LDPC decoder must be two bit processing. However LDPC codes can't be applied to these system because LDPC decoder require just one bit processing. Therefore this paper proposes a turbo equalization model for LDPC codes able to apply MIMO systems combined with STTC codes. Through simulation results, we show that the performance of the proposed turbo equalization model is improved about 2.5 dB than that of turbo codes and about 10.5dB than that of conventional scheme.

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Section: Simulation Resultssupporting

confidence: 64%

Section: Lst Model Based On Iterative Codesmentioning

confidence: 99%

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LDPC Coded Turbo Equalization for MIMO System

Baek¹,

Jung²

2017

JCM

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“…그리 고 시공간 부호화 기법과 외부 부호로 반복 부호를 결 합하는 계층적인 시공간 부호화 기법이 연구되었다 [3,4] . 또한, 시공간 격자부호와 터보 부호기를 결합시키 는 터보 등화 기반의 계층적 시공간 부호화 방식에 대 한 연구도 진행되었다 [5] . 고려되고 있다 [6] .…”

Section: 용한 시공간 부호화 기술 기반의 Mimo(multipleunclassified

A Study on Turbo Equalization for MIMO Systems Based on LDPC Codes

Baek¹,

Jung²

2016

The Journal of Korean Institute of Communications and Informati

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In this paper, MIMO system based on turbo equalization techniques which LDPC codes were outer code and space time trellis codes (STTC) were employed as an inner code are studied. LDPC decoder and STTC decoder are connected through the interleaving and de-interleaving that updates each other's information repeatedly. In conventional turbo equalization of MIMO system, BCJR decoder which decodes STTC coded bits required twobit wise decoding processing. Therefore duo-binary turbo codes are optimal for MIMO system combined with STTC codes. However a LDPC decoder requires bit unit processing, because LDPC codes can't be applied to these system. Therefore this paper proposed turbo equalization for MIMO system based on LDPC codes combined with STTC codes. By the simulation results, we confirmed performance of proposed turbo equalization model was improved about 0.6dB than that of conventional LDPC codes.※ 이 논문은 2015년도 정부(교육부)의 재원으로 한국연구재단의 지원을 받아 수행된 기초 연구 사업임(NRF-2015R1D1A1A01060931)

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A study on turbo equalization for MIMO system based on LDPC codes

Baek

Jung

2016

2016 Eighth International Conference on Ubiquitous and Future Networks (ICUFN)

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A Study on layered Space Time Trellis codes for MIMO system based on Iterative Decoding Algorithm

Cited by 3 publications

References 4 publications

LDPC Coded Turbo Equalization for MIMO System

LDPC Coded Turbo Equalization for MIMO System

A Study on Turbo Equalization for MIMO Systems Based on LDPC Codes

A study on turbo equalization for MIMO system based on LDPC codes

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