Showing 81 - 100 results of 106 for search '"channel capacity"', query time: 0.06s Refine Results
  1. 81

    A Semiempirical MIMO Channel Model in Obstructed Viaduct Scenarios on High-Speed Railway by Tao Zhou, Cheng Tao, Liu Liu, Zhenhui Tan

    Published 2014-01-01
    “…Finally, a deterministic simulation model is established to perform the analysis of the space-time correlation function, the space-Doppler PSD, and the channel capacity for the measured scenario. This model is more realistic and particularly beneficial for the performance evaluation of MIMO systems in HSR environments.…”
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  2. 82

    Collaborative Cognitive Wireless Network Optimization Model and Network Parameter Optimization Algorithm by Tao Zhang

    Published 2023-01-01
    “…Such cognitive radio networks that use user collaboration to improve channel capacity and spectrum utilization are called collaborative cognitive radio networks. …”
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  3. 83

    Adaptive Event-Triggered Synchronization of Networked Neural Networks with Time-Varying Delay Subject to Actuator Saturation by Yao Xu, Renren Wang, Hongqian Lu, Xingxing Song, Yahan Deng, Wuneng Zhou

    Published 2021-01-01
    “…First, in view of the limited communication channel capacity of the network system and unnecessary data transmission in the NCSs, an adaptive event-triggered scheme (AETS) is introduced to reduce the network load and improve network utilization. …”
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  4. 84

    Lossy Joint Source-Channel Coding Using Raptor Codes by O. Y. Bursalioglu, M. Fresia, G. Caire, H. V. Poor

    Published 2008-01-01
    “…Simulations show that the proposed scheme can outperform the separated baseline scheme for finite coding length and comparable complexity and, as expected, it is much more robust to channel errors in the case of channel capacity mismatch.…”
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  5. 85

    Variable Subarray Beamforming in Low Earth Orbit Satellite Feeder Link MIMO by Koyo Tategami, Daisuke Goto, Kiyohiko Itokawa, Fumihiro Yamashita

    Published 2025-01-01
    “…This paper shows that the proposed method improves channel capacity by a factor of 2 compared to the conventional method with fixed subarrays and reduces the required output backoff by 2 dB achieving BER <inline-formula> <tex-math notation="LaTeX">$= 10^{-4}$ </tex-math></inline-formula> compared to full array beamforming by computer simulations.…”
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  6. 86

    Self-Isolated Surface-Mountable MIMO Antenna for FR1 Band Communications by Arpita Patel, Abdulkarem H. M. Almawgani, Trushit Upadhyaya, Vishal Sorathia, Vipul Dabhi, Seif Shebl

    Published 2024-01-01
    “…The optimal envelope correlation coefficient (ECC) is near to 0.02, channel capacity loss (CCL) is around 0.2 bits/sec/Hz, directivity gain (DG) is around 9.98 dB, and the MEG ratios are near to unity. …”
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  7. 87

    Study of the Colocated Dual-Polarized MIMO Capacity Composed of Dipole and Loop Antennas by Dazhi Piao, Xingning Jia, Lingyu Yang, Qingxin Guo, Yi Mao, Zengrui Li

    Published 2015-01-01
    “…Computation results show that, for the ideal electric and magnetic dipoles, the dual-polarized MIMO systems have identical channel capacity. But the contour plots of the capacity gain of the realistic DPD and DPL are different, due to the difference in antenna patterns. …”
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  8. 88

    Confined and mined: anthropogenic river modification as a driver of flood risk change by Laura Quick, R. D. Williams, R. J. Boothroyd, T. B. Hoey, P. L. M. Tolentino, C. MacDonell, E. Guardian, J. Reyes, C. Sabillo, J. Perez, C. P. C. David

    Published 2025-01-01
    “…The consequently increased channel capacity reduces flood risk, with up to a 5% decrease in inundated areas for 10- to 100-year return periods. …”
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  9. 89

    Decoupling Structure for High-Bandwidth Multiport Monopole Antennas in K-Band and 5G Applications by Daniyal Ali Sehrai, Saad Hassan Kiani, Tanweer Ali, Muhammad Inam Abbasi, Muhammad Ramlee Kamarudin, Abeer D. Algarni, Hela Elmannai

    Published 2024-01-01
    “…Several performance metrics, including total active reflection coefficient (TARC), diversity gain (DG), envelope correlation coefficient (ECC), and channel capacity loss (CCL), are evaluated and show satisfactory performance within the operating bandwidth. …”
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  10. 90

    Dynamic Peak Threshold Estimation Method for Noise Mitigation in Hybrid PLC/VLC Systems by Irvine Mapfumo, Thokozani Shongwe

    Published 2025-01-01
    “…These distortions have multiple effects on communication channels, including higher bit error rate (BER), reduced signal-to-noise ratio (SNR), and restricted channel capacity. It has been determined that impulsive noise is one of the most detrimental noise types in hybrid power line communication-visible light communication (PLC/VLC) systems. …”
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  11. 91

    A Highly Isolated Tapered Triangular Dual-Polarized Multiband MIMO Antenna for WLAN, C, X and Ku Bands by Sonali Kumari, Yogendra Kumar Awasthi, Dipali Bansal, Rohit Anand, Praveen Kumar Malik, Rajesh Singh

    Published 2024-01-01
    “…On the basis of comparison with similar existing structures, the proposed antenna demonstrates superior performance in terms of total active reflection coefficient (TARC < −5 dB), diversity gain (DG around 10 dB), channel capacity loss (CCL < 0.3 bits/s/Hz), mean effective gain (MEG) and envelope correlation coefficient (ECC < 0.024). …”
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  12. 92

    Spatial Characteristics of Wideband Channels Using Leaky Coaxial Cables in Tunnel Scenario by Asad Saleem, Min Wang, Guoxin Zheng, Xiaoyu Yin

    Published 2019-01-01
    “…Angular dispersion of the signal significantly affects the channel capacity, and it can be exactly predicted in both the near and far fields for underground environments by means of a multimode waveguide. …”
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  13. 93

    Tripolarizated MIMO: Experimental Analysis and Modeling of Channel Properties in Both Indoor and Outdoor Scenarios by Pan Tang, Jianhua Zhang, Zuolong Ying, Yuxiang Zhang, Lei Tian, Zihang Qi, Xiuping Li

    Published 2021-01-01
    “…Furthermore, we evaluate the performance of tripolarized MIMO systems by analyzing the Demmel condition number and channel capacity gain (CG). For both the indoor and the outdoor scenarios, it is found that colocated tripolarized antenna can bring a nearly threefold CG with respect to the unipolarized one. …”
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  14. 94

    Multi-Objective Optimization for Resource Allocation in Space–Air–Ground Network with Diverse IoT Devices by Yongnan Xu, Xiangrong Tang, Linyu Huang, Hamid Ullah, Qian Ning

    Published 2025-01-01
    “…Considering the fairness of resource allocation among IoT devices of the same category, our goal is to maximize the minimum uplink channel capacity for each category of IoT devices, which is a multi-objective optimization problem. …”
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  15. 95

    Aperture-Fed Quad-Port Dual-Band Dielectric Resonator-MIMO Antenna for Sub-6 GHz 5G and WLAN Application by Trushit Upadhyaya, Ikmo Park, Rajat Pandey, Upesh Patel, Killol Pandya, Arpan Desai, Jayesh Pabari, Gangil Byun, Yogeshwar Kosta

    Published 2022-01-01
    “…The optimum envelope correlation coefficient (ECC) is 0.037, channel capacity coss (CCL) is 0.2 bits/sec/Hz, diversity gain (DG) is 9.99 dB, and total active reflection coefficient (TARC) is −18.87. …”
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  16. 96

    A Single-Layer S/X- Band Shared Aperture Antenna with MIMO Characteristics at X-Band for Airborne Synthetic Aperture Radar Applications by Raja Babu Bandi, Venkata Kishore Kothapudi, Lakshman Pappula, Rajkumar Kalimuthu, Srinivasa Kiran Gottapu

    Published 2023-01-01
    “…However, the X-band antenna is a multi-input and multioutput antenna that is to be validated by using MIMO characteristic parameters such as envelope correlation coefficient (ECC), diversity gain (DG), channel capacity loss (CCL), mean effective gain, and mutual coupling. …”
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  17. 97

    Dual-Band Eight-Element MIMO Array Using Multi-Slot Decoupling Technique for 5G Terminals by Wei Hu, Long Qian, Steven Gao, Le-Hu Wen, Qi Luo, Hang Xu, Xuekang Liu, Ying Liu, Wei Wang

    Published 2019-01-01
    “…In addition, the envelope correlation coefficient and channel capacity are calculated and analyzed to validate the MIMO performance of the 5G terminal array. …”
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  18. 98

    Dual band four port MIMO antenna with dual circular polarization for Wi-Fi/WiMAX applications by Poonam Thanki, Trushit Upadhyaya, Upesh Patel, Khaled Aliqab, Meshari Alsharari, Ayman A. Althuwayb, Ammar Armghan, Vishal Sorathiya

    Published 2025-01-01
    “…The measured findings demonstrate the circular polarization, 3-dB axial ratio beamwidth, impedance bandwidth of 2.11 GHz −2.42 GHz and 3.40 GHz-3.51 GHz, adequate axial ratio bandwidth (ARBW) of the suggested MIMO antenna along with high isolation of −17 dB, gain of 3.43 and 2.09 dBic at 2.4 GHz and 3.5 GHz respectively, TARC (Total active reflection coefficient) of less than 0 dB, a CCL (Channel capacity loss) of lesser than 0.4 bits/sec/Hz, and an MEG (Mean effective gain) value of less than 3 dB.…”
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  19. 99

    Design and Analysis of Two-Port Self-Decoupled Highly Efficient MIMO Antenna for 5G New Radio Mid-Band (n1/n2/n3) Wireless Communication by Durai Pandurangan, Naveen Mishra

    Published 2025-01-01
    “…The maximum isolation is -41.9dB between ports, &#x003C;0.008 envelope coefficient correlation, 9.99dB diversity gain, &#x003C;0.4bits/s/Hz channel capacity loss, less than -1dB multiplexing efficiency, -31.2dB TARC and zero mean effective gain (MEG1/MEG2) ratio are some of the salient features of the proposed design. …”
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  20. 100

    A Space Efficient Circular Patch MIMO Antenna Having Six Degrees of Freedom for 5G-n79/WLAN Applications by Susanta Kumar Badi, Om Prakash Acharya, Bhargav Appasani, Nicu Bizon

    Published 2025-01-01
    “…All the required diversity parameters such as envelope correlation coefficient, diversity gain and mean effective gain ratio are investigated in both uniform and non-uniform media and found within acceptable limit. In addition, channel capacity loss and total active reflection coefficient are studied for multiport MIMO antenna system and found within acceptable limit.…”
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