Search Results - "Sampei, S."

EXIT Chart-Aided Adaptive Coding for Multilevel BICM With Turbo Equalization in Frequency-Selective MIMO Channels by Ibi, S., Matsumoto, T., Thoma, R., Sampei, S., Morinaga, N.

“…This paper proposes an adaptive coding (AC) scheme for multilevel bit-interleaved coded modulation (ML-BICM) with minimum mean-square error (MMSE) turbo…”
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Adaptive Transmission With Single-Carrier Multilevel BICM by Matsumoto, Tad, Ibi, Shinsuke, Sampei, Seiichi, Thoma, Reiner

“…In this paper, we introduce adaptive link control techniques for multiple-input multiple-output (MIMO) systems with broadband single-carrier signaling. Soft…”
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A design for an EXIT chart based scheduling and rate control for multi-user MIMO systems by Obata, H., Ibi, S., Sampei, S.

“…This paper proposes a scheduling and adaptive rate control scheme for multi-user multiple-input multiple-output (MIMO) systems in the uplink, designed to…”
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Rayleigh fading compensation for QAM in land mobile radio communications by Sampei, S., Sunaga, T.

“…A pilot symbol-aided Rayleigh fading compensation is investigated for M-ary quadrature amplitude modulation (QAM) to achieve highly spectrally efficient land…”
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Symbol rate and modulation level-controlled adaptive modulation/TDMA/TDD system for high-bit-rate wireless data transmission by Ue, T., Sampei, S., Morinaga, N., Hamaguchi, K.

“…This paper proposes a time-division multiple-access/time-division duplex (TDMA/TDD)-based symbol rate and modulation level-controlled adaptive modulation…”
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EXIT chart-aided adaptive coding for MMSE turbo equalization with multilevel BICM by Ibi, S., Matsumoto, T., Sampei, S., Morinaga, N.

“…This letter proposes adaptive coding (AC) for multilevel bit interleaved coded modulation (ML-BICM) with MMSE turbo equalization, of which aim is to minimize…”
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TDMA-based adaptive modulation with dynamic channel assignment for high-capacity communication systems by Ikeda, T., Sampei, S., Morinaga, N.

“…This paper proposes a time-division multiple-access (TDMA)-based adaptive modulation scheme with dynamic channel assignment (AMDCA) to achieve high-capacity…”
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Performance of multi-level QAM with post-detection maximal ratio combining space diversity for digital land-mobile radio communications by Sunaga, T., Sampei, S.

“…A new type of post-detection maximal ratio combining for space diversity receivers in digital land-mobile communications is proposed. The combining scheme is…”
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Space-time turbo equalization scheme with beam steering based on SVD and QRD over frequency selective fading MIMO channels by Ibi, S., Sampei, S., Morinaga, N.

“…To support broadband multiple-input multiple-output (MIMO) systems using a single carrier transmission scheme under frequency selective fading conditions, this…”
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High bit rate transmission scheme with a multilevel transmit power control for the OFDM based adaptive modulation systems by Yoshiki, T., Sampei, S., Morinaga, N.

“…This paper proposes a multilevel transmit power control (MTPC) for OFDM based adaptive modulation systems (OFDM AMS) to achieve high bit rate transmission…”
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Channel monitor-based unequal error protection with dynamic OFDM subcarrier assignment for video transmission by Hashimoto, Y., Sampei, S., Morinaga, N.

“…This paper proposes a channel monitor-based unequal error protection scheme using a dynamic OFDM subcarrier assignment technique for broadband video…”
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Performance of a trellis-coded 16QAM/TDMA system for land mobile communications by Kamio, K., Sampei, S.

“…Trellis-coded 16QAM/TDMA systems are proposed that have a high spectral efficiency and high transmission quality and that can support a wide variety of…”
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Adaptive resolution control scheme for RAKE receiver using delay profile conversion technique in DS/CDMA systems by Sada, T., Sampei, S., Morinaga, N.

“…This paper proposes an adaptive resolution control scheme for a RAKE receiver in direct sequence/code division multiple access (DS/CDMA) systems to effectively…”
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System Design Issues and Performance Evaluations for Adaptive Modulation in New Wireless Access Systems by Sampei, Seiichi, Harada, Hiroshi

“…This paper discusses system design strategies and performance evaluation for adaptive modulation techniques used in new and up-and-coming wireless access…”
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Complexity reduction and performance improvement of a decision feedback equalizer for 16QAM in land mobile communications by Nagayasu, T., Sampei, S., Kamio, Y.

“…This paper proposes a complexity-reduced decision feedback equalizer (DFE) for 16-ary quadrature amplitude modulation (16QAM) using tap gain interpolation,…”
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Adaptive DC-offset compensation algorithm for burst mode operated direct conversion receivers by Sampei, S., Feher, K.

“…A low-redundancy DC-offset compensation method to achieve high-quality burst mode operated direct conversion receivers is proposed and studied. DC-offset is…”
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Special Issue on Adaptive Modulation and Transmission in Wireless Systems by Svensson, Arne, ien, Geir Egil, Alouini, Mohamed-Slim, Sampei, Seiichi

“…The eleven papers in this special issue are devoted to adaptive modulation and transmission in wireless systems…”
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Performance of reduced complexity DFE using bidirectional equalizing in land mobile communications by Kamio, Y., Sampei, S.

“…A reduced-complexity decision feedback equalizer (DFE) that uses interpolation and bidirectional equalizing with a center tap position detector is presented…”
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Two-stage DCF-based access scheme for throughput enhancement of OFDMA WLAN systems by Shimamoto, K., Miyamoto, S., Sampei, S., Wenjie Jiang

“…In distributed coordination function-based (DCF-based) OFDMA WLANs, different sets of sub-channels are dynamically allocated to active stations and the…”
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Proposal of 1-cell reuse OFDM/TDMA using subcarrier adaptive modulation and multilevel transmit power control for broadband wireless communication systems by Nakanishi, T., Sampei, S., Morinaga, N.

“…This paper proposes a 1-cell reuse OFDM/TDMA system that employs subcarrier adaptive modulation scheme (AMS), total-and multilevel (subcarrier) transmit power…”
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