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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An improved VCM-Based data transmission system operating at S-band for UM5-EOSat

“…In the last few years, the Low Earth Orbit (LEO) has been used by CubeSats for high data rate transmission (HDRT) applications. Nonetheless, the earth-to-space…”
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Improving Data Throughput of CubeSats Through Variable Power Modulation by Al Mahmood, Ali, Marpu, Prashanth R.

“…Nanosatellites, in particular, CubeSats, suffer from limited power and communication capabilities, which creates data throughput (DT) limitations imposing…”
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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

“…The first two generations of TV broadcasting are almost history, at least from the standardization perspective. Analog and digital satellite distributions both…”
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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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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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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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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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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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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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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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On hierarchical modulation for satellite broadcasting by Kayhan, F., Montorsi, G., Taricco, G., Alagha, N.

“… In this paper, we compare the performance of time division multiplexing techniques combined with variable coding and modulation with that of hierarchical modulations delivering contents with 2…”
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Performance Assessment for LDM Transmission Based on DVB Satellite Standard by Kim, Pansoo, Park, Hyuncheol

“…Variable Coding and Modulation (VCM), one of the Orthogonal Multiple Access (OMA) schemes and also known as channel adaptive Time-sharing Division Multiplexing…”
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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

“…A new era for satellite video broadcasting is dawning as a result of two major developments: 1) the video codec bit rates required by new ultrahigh definition…”
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Design of a Two-Stage Scheduling Scheme for DVB-S2/S2X Satellite Architecture by Tropea, Mauro, De Rango, Floriano, Santamaria, Amilcare Francesco

“… Differently from Variable Coding and Modulation (VCM), ACM provides a feedback path in the return channel for dynamically varying protection error levels in accordance with different channel conditions…”
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Flexible Satellite Direct-to-Home Services With Layered-Division Multiplexing by Gelgor, Aleksandr, Montalban, Jon, Tkachenko, Dmitry, Martin, Aitor, Puzko, Danila, Batov, Yuri, Angueira, Pablo

“… Current Direct-To-Home (DTH) broadcasting satellite standards (DVB-S2 and DVB-S2X) include Variable Coding and Modulation (VCM) mode…”
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On the Efficiency of Layered Division Multiplexing for DVB-S2X Satellite Communications by Montalban, J., Vera, A., Angueira, P., Makarov, Sergey B., Gelgor, Alexander L., Popov, Eugene A., Tkachenko, Dmitry A.

“…) broadcasting include Variable Coding and Modulation (VCM) mode, which actually provides the opportunity to deliver different services to the consumers with Time Division Multiplexing (TDM…”
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