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Akademický článek
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A Real-Time 4-Stream MIMO-OFDM Transceiver: System Design, FPGA Implementation, and Characterization
Publikováno v:
IEEE Journal on Selected Areas in Communications. 26:877-889
When designing complex communication systems, such as MIMO-OFDM transceivers, prototypes have become an important tool for understanding the implementation trade-offs and the system behavior. This paper presents a real-time FPGA prototype for a 4-str
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c0211e5c7af0cbc9cf34fda33d5f53b9
https://doi.org/10.1109/jsac.2008.080805
https://doi.org/10.1109/jsac.2008.080805
Publikováno v:
2008 4th European Conference on Circuits and Systems for Communications.
Coherent detection of OFDM signals requires channel state information which can be acquired by transmitting known training symbols and by appropriate channel estimation at the receiver. Focusing on robust algorithms suitable for integration in silico
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12bf7f9b6d42aa67eb75c748097f7ff1
https://doi.org/10.1109/eccsc.2008.4611691
https://doi.org/10.1109/eccsc.2008.4611691
Publikováno v:
2008 4th European Conference on Circuits and Systems for Communications.
MIMO-OFDM based wireless LAN standards are currently being defined. These systems employ packed-based communication, which requires fast and accurate automatic gain control. The precise estimation of the expected receive signal power of data symbols,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93cd3fa6cbbc2a1abf84987f4dcaa66c
https://doi.org/10.1109/eccsc.2008.4611686
https://doi.org/10.1109/eccsc.2008.4611686
Publikováno v:
ISCAS
The QR decomposition is an important, but often underestimated prerequisite for pseudo- or non-linear detection methods such as successive interference cancellation or sphere decoding for multiple-input multiple-output (MIMO) systems. The ability of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f780ae658ac6e597be66e4a8ff6015a
https://doi.org/10.1109/iscas.2007.378495
https://doi.org/10.1109/iscas.2007.378495
Publikováno v:
ISCAS
The paper describes an algorithm and a corresponding VLSI architecture for the implementation of linear MMSE detection in packet-based MIMO-OFDM communication systems. The advantages of the presented receiver architecture are low latency, high-throug
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ab56cb79df5051bcc8656060490b63f
https://doi.org/10.1109/iscas.2006.1693531
https://doi.org/10.1109/iscas.2006.1693531
Publikováno v:
ISCAS
The performance of systems employing bit-interleaved coded modulation (BICM) critically depends on the availability of soft information. In the multi-antenna case, the extraction of optimum bit-metrics becomes prohibitively complex, so that suboptima
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3109b3ac77f8b8151c13c167d95cd05e
https://doi.org/10.1109/iscas.2006.1693155
https://doi.org/10.1109/iscas.2006.1693155
Publikováno v:
ICASSP (4)
Future wireless LANs will increase the peak data rate by employing multiple antennas at both transmitter and receiver. Well designed synchronization algorithms are a prerequisite for meeting stringent QoS requirements. In particular OFDM modulation,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14f7dbd466242c0522ce7e8b46da7466
https://doi.org/10.1109/icassp.2006.1660996
https://doi.org/10.1109/icassp.2006.1660996
Publikováno v:
Conference Record of the Thirty-Ninth Asilomar Conference onSignals, Systems and Computers, 2005..
The FPGA implementation of Viterbi decoders for multiple-input multiple-output (MIMO) wireless communication systems with bit-interleaved coded modulation (BICM) and per-antenna coding is considered. The paper describes how the recursive add-compare-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2fc59f272a15c0ca225568959d000d97
https://doi.org/10.1109/acssc.2005.1599849
https://doi.org/10.1109/acssc.2005.1599849