Search Results - variable coding and modulation

Design and implementation of variable coding and modulation for LEO high‐resolution Earth observation satellite by Li, Li, Zheng, Xiaosong, He, Mingyi, Jin, Fan, Xie, Tianjiao, Cao, Haiyi

“… Therefore, variable coding and modulation (VCM) has become an important scheme to optimize the performance of satellite downlink…”
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Research on application of variable coding modulation system based on Digital Video Broadcasting ‐ Satellite ‐ 2nd Generation in data transmission of near‐earth remote sensing satellite by Zhang, Shasha, Cao, Haiyi, Zhang, Xinwei, Yao, Xinyu, Zhao, Chenguang

“…‐earth remote sensing satellites, variable coding modulation (VCM) system is used to fully utilize the system link margin to improve the satellite data transmission performance…”
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An improved VCM-Based data transmission system operating at S-band for UM5-EOSat

“… To overcome this challenge, variable coding modulation (VCM) technology has been employed to properly utilize network resources and increase satellite data transmission throughput…”
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Improving Data Throughput of CubeSats Through Variable Power Modulation by Al Mahmood, Ali, Marpu, Prashanth R.

“… The study presents a framework-variable power modulation (VPM)-that involves varying the transmitter' s output power within the adjustable range, such that in the case of power availability, the transmission output power is increased accordingly…”
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The Future of Satellite TV: The Wide Range of Applications of the DVB-S2 Standard and Perspectives by Mignone, Vittoria, Vazquez-Castro, Maria Angeles, Stockhammer, Thomas

“… out. Particular attention to innovative solutions based on adaptive modulation and coding, source…”
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Link Analysis of Commercial and Wideband Gapfiller Satellite (WGS) Satellites Using DVB-S2 with Variable Coding and Modulation (VCM) by Bennett, B., Hannan, D., Marshall, J., Gibbons, R.

“…A link analysis was performed of the digital video broadcast-satellite (DVB-S) second generation waveform (DVB-S2) using a commercial (Ku band) and the…”
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DVB-S2X system performance results for broadcast and unicast broadband networks by Angelone, Martina, Alagha, Nader, Arapoglou, Pantelis-Daniel, Ginesi, Alberto

“…Summary The need for improving the achievable performance of Digital Video Broadcasting via Satellite Second Generation (DVB‐S2) for different applications has…”
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HD Video Broadcasting using Scalable Video Coding combined with DVB-S2 Variable Coding and Modulation by Mirta, S, Schierl, T, Wiegand, T, Inigo, P, LeGuern, C, Moreau, C, Guarnieri, L, Tronc, J

“… Variable Coding and Modulation (VCM) based DVB-S2 Video Broadcasting Systems enables effective selection of modulation modes and FEC code-rates offering differentiated error protection…”
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US Patent Issued to KRATOS INTEGRAL HOLDINGS on Sept. 10 for "Systems and methods for processing variable coding and modulation (VCM) based communication signals using feedforward carrier and timing recovery" (California Inventors)

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INTERNATIONAL PATENT: KRATOS INTEGRAL HOLDINGS, LLC FILES APPLICATION FOR "SYSTEMS AND METHODS FOR PROCESSING VARIABLE CODING AND MODULATION (VCM) BASED COMMUNICATION SIGNALS USING FEEDFORWARD CARRIER AND TIMING RECOVERY"

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Research and Implementation of the Transmission Efficiency of LEO Remote Sensing Satellite Based on Variable Coding Modulation by Jie, He, Lei, Shi, Wei, Qiao, Jingyang, Zhang, Xiaodong, Wu, Zhenli, Yin, Zhen, Qin

“… Therefore, based on variable coding modulation, the real-time transmission distance is obtained by using servo controller and intelligent calculation…”
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Variable Coding and Modulation Experiment Using NASA's Space Communication and Navigation Testbed by Downey, Joseph A, Mortensen, Dale J, Evans, Michael A, Tollis, Nicholas S

“… One example is variable coding and modulation, which is a method to increase data-throughput in a communication link…”
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IPTV over satellite with Adaptive and Variable Coding and Modulation by NamKyung Lee, Hyun Woo Lee, Won Ryu

“… If a satellite communication system support IPTV, it must adopt ACM/VCM(ACM, adaptive coding and modulation, VCM, variable coding and modulation…”
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Design and Implementation of a DVB-S2 Reconfigurable Datapath BCH Encoder for High Data-Rate Payload Data Telemetry by Quintarelli, Giovanni, Bertolucci, Matteo, Nannipieri, Pietro

“…: Constant Coding and Modulation, Variable Coding and Modulation, and Adaptive Coding and Modulation…”
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Performance of Variable-Power Adaptive Modulation With Space-Time Coding and Imperfect CSI in MIMO Systems by Xiangbin Yu, Xiangbin Yu, Shu-Hung Leung, Shu-Hung Leung, Wai Ho Mow, Wai Ho Mow, Wai-Ki Wong, Wai-Ki Wong

“…The performance analysis of multi-input-multi-output (MIMO) systems with M-ary quadrature amplitude modulation (MQAM…”
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Towards a highly adaptive software-defined radio transmitter for small satellite platforms by Pätschke, Susann, Klinkner, Sabine

“…The Institute of Space Systems (IRS) of the University of Stuttgart is currently analysing a mission to explore the inner Van Allen radiation belt using a…”
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Capacity analysis of high-throughput satellite links for Earth observation missions by Katona, Zoltán, Kourogiorgas, Charilaos, Panagopoulos, Athanasios D., Jeannin, Nicolas

“…Summary Earth observation missions are important for economy and science. The data collected by such satellites are used in agriculture, maritime services,…”
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Variable-power discrete-rate adaptive modulation with orthogonal space-time block coding for Nakagami-m fading channels by Yu, Xiangbin, Leung, Shu-Hung, Wong, Wai-Ki

“…ABSTRACT The performance system with variable‐power adaptive modulation over Nakagami…”
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Performance of variable-power adaptive modulation with space–time block coding and imperfect channel state information over Rician fading channels by Yu, X.-B., Leung, S.-H., Zhu, Q.-M.

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Link Adaptation Strategies for Next Generation Satellite Video Broadcasting: A System Approach by Morel, Coline, Arapoglou, Pantelis-Daniel, Angelone, Martina, Ginesi, Alberto

“… Along this line, this paper carries out a detailed assessment of link adaptation strategies employing sophisticated tools to simulate system and propagation effects beyond today's constant coding…”
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