Výsledky vyhledávání - discrete modulation-coding mode

Joint User, Channel, Modulation-Coding Selection, and RIS Configuration for Jamming Resistance in Multiuser OFDMA Systems Autor Yuan, Xin, Hu, Shuyan, Ni, Wei, Liu, Ren Ping, Wang, Xin

“…, and modulation-coding modes for all subchannels, and RIS configuration in a downlink multiuser OFDMA system under jamming…”
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Power-Efficient Resource Allocation for Time-Division Multiple Access Over Fading Channels Autor Xin Wang, Giannakis, G.B.

“…We investigate resource allocation policies for time-division multiple access (TDMA) over fading channels in the power-limited regime. For frequency-flat…”
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Multi-Agent Discrete Soft Actor-Critic Algorithm-Based Multi-User Collaborative Anti-Jamming Strategy Autor Jing, Xiaorong, Wang, Rui, Lei, Hongjiang, Liu, Hongqing, Chen, Qianbin

“… To address these issues, this paper proposes a multi-agent discrete soft actorcritic (MA-DSAC) algorithm-based collaborative anti-jamming strategy, integrating frequency, power, and modulation-coding domains…”
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An intrafield DCT-based HDTV coding for ATM networks Autor Tzou, Kou-Hu

“…A discrete cosine transform (DCT)-based coding system for 130 Mbps high definition television (HDTV…”
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On Energy Efficient Communications over Rayleigh Fading Channel with Delivery Rate and Delay Constraints in Wireless Sensor Networks Autor Xiao-Hui Lin, Yu-Kwong Kwok

“…) or more robust modulation mode. To avoid such energy inefficient transmission, a straightforward approach is to temporarily buffer packets when the channel is in deep fading, until the channel quality recovers…”
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Optimized link adaptation for wireless packet communications based on discrete-rate modulation and coding schemes Autor Harsini, J.S., Lahouti, F.

“… In this article, using a fixed number of modulation and coding modes we propose a variable power transmission scheme for transmission of packets over block-fading wireless channels…”
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Source coding, channel coding and modulation techniques used in the DigiCipher system Autor Krauss, J.A.

“… The DigiCipher HDTV system is based on discrete cosine transform coding and uses motion prediction techniques to eliminate redundancy in the digital signal, channel equalization to defeat multipath…”
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Optimal Chunk-Based Resource Allocation for OFDMA Systems With Multiple BER Requirements Autor He, Tianzhou, Wang, Xin, Ni, Wei

“… Supposing that adaptive transmissions are based on a number of discrete modulation and coding modes, we derive the optimal resource-allocation scheme that maximizes the weighted sum of average user…”
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HDTV transmission system design in an SDG-based STM network Autor Kishimoto, R., Okumura, Y., Irie, K.

“…; one uses subband DCT (discrete cosine transform) for HDTV distribution services, while the other uses subband DPCM…”
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High quality variable rate video coding based on stabilization of lower frequency component Autor Hosoda, K., Kawaguchi, S., Tsujikado, M., Ueda, Y., Fukasawa, A.

“… This scheme was developed for application to high-quality image packet transmission in asynchronous transfer mode (ATM) networks…”
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Spectral Efficiency Optimized Adaptive Transmission for Interfering Cognitive Radios Autor Taki, M., Lahouti, F.

“… The AMC mode selection and power control at the cognitive transmitter is optimized based on the scaled signal to noise plus interference ratio feedback of both links…”
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Particularly of spectrum the modulation methods in the switch mode converters Autor Abakumov, V., Pilinsky, V., Rodionova, M., Shvaichenko, V.

“… It's suggested to co-ordinate the discrete-time transient responses of converters with input discrete-time digital signal by the criteria based on minimization of overshoots…”
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Analog-to-digital converters: sliding mode observer as a pulse modulator Autor Shkolnikov, I.A., Shtessel, Y.B., Plekhanov, S.V.

“…Sliding mode observers (SMO) and principles of digital delta (/spl Delta/) and sigma (/spl Sigma/) modulation in implementations of feedback processing systems under the discrete-time control with a zero-order-hold are analyzed…”
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On Improving the Energy Efficiency of Wireless Sensor Networks under Time-Varying Environment Autor Xiao-Hui Lin, Yu-Kwong Kwok, Hui Wang

“… However, transmitting packet over deep fading channel can render extra energy expenditure, due to the incorporation of more error protection or usage of lower modulation mode, which is unaffordable…”
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A time-domain 1D Kirchhoff-PIC code for coupled-cavity traveling wave tubes Autor Qiu, W.D., Lee, H.J., Verboncoeur, J.P., Birdsall, C.K.

“…Summary form only given, as follows. We developed a 1-d small/large signal Kirchhoff-PIC hybrid code for modeling coupled-cavity traveling-wave tube (CCTWT)…”
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Optimal chunk-based resource allocation for OFDMA systems with multiple BER requirements Autor Tianzhou He, Xin Wang, Wei Ni

“… Supposing adaptive transmissions based on a number of discrete modulation and coding modes, we derive the optimal scheme that maximizes the weighted sum of average user rates under the multiple BER…”
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Discrete Rate Interfering Cognitive Link Adaptation Design with Primary Link Spectral Efficiency Provisioning Autor Taki, M., Lahouti, F.

“… A discrete rate link adaptation scheme is proposed to maximize the average spectral efficiency of the cognitive radio, while a minimum average spectral efficiency for the primary user is provisioned…”
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On the encoding rate and discrete modulation adaptation design for MIMO links Autor Lau, V., Tianyu, W.

“… (embedded in the packet transmission). In this paper, we shall address various practical MIMO adaptation design issues associated with discrete transmission modes…”
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Utility maximization for chunk-based OFDMA systems with multiple ber requirements Autor Tianzhou He, Xin Wang, Wei Ni

“… Supposing that adaptive transmissions are based on a number of discrete modulation and coding modes, we propose the optimal resource allocation scheme that maximizes a utility function of average user rates…”
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Cross-Layer Design of Adaptive Multirate Wireless Networks Using Truncated HARQ Autor Ramis, Jaume, Femenias, Guillem

“…) strategies at the physical layer. In this paper, a novel cross-layer multidimensional discrete-time Markov chain (DTMC…”
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