Cross layer design for communication systems
Cross layer design for communication systems
... close look at cross- layer design we present a definition for cross- layer design, discuss the approaches for cross- layer design, and discuss some aspects of the impact of cross- layer design on architecture ... of cross- layer design, we present an instance of cross- layer design involving the link layer and the physical layer In particular, we study the design of physical layer for a pointto-point communication ... for Cross- Layer Design 30 2.2.2 Cross- Layer Design: A historical context 31 2.3 General motivation for Cross- layer design 32 2.4 Cross- Layer Design: a taxonomy...
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Báo cáo hóa học: " Editorial Cross-Layer Design for the Physical, MAC, and Link Layer in Wireless Systems" doc
... 2 information from the PHY layer is allowed to in uence the operation of the MAC layer The second paper, “Exploiting transmit buffer information at the receiver in block-fading channels” by Dinesh ... Acknowledgments The editors would like to thank all the reviewers for their efforts in making this special issue They would also like to thank the Editor -in- Chief, and the editorial staff of Hindawi Publishing ... resource allocation Finding the capacity of MIMO broadcast channels, a long standing problem in the information theory community, was recently solved Brehmer and Utschick, in their work entitled...
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channel adaptive technologies and cross layer designs for wireless systems with multiple antennas
... PUBLICATION Channel- Adaptive Technologies and Cross- Layer Designs for Wireless Systems with Multiple Antennas Channel- Adaptive Technologies and Cross- Layer Designs for Wireless Systems with Multiple Antennas ... with respect to the target channel Channel -Adaptive Technologies and Cross- Layer Designs for Wireless Systems with Multiple Antennas: Theory and Applications By V K N Lau and Y.-K R Kwok ISBN 0-471-64865-5 ... Channel- Adaptive Technologies and Cross- Layer Designs for Wireless Systems with Multiple Antennas Theory and Applications Vincent K N Lau The Hong Kong University of Science and Technology...
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báo cáo hóa học: " Cross-layer design for radio resource allocation based on priority scheduling in OFDMA wireless access network" docx
... Chen et al.: Cross-layer design for radio resource allocation based on priority scheduling in OFDMA wireless access network EURASIP Journal on Wireless Communications and Networking 2011 2011:28 ... fair scheduling in OFDMA based broadband wireless access systems IEEE Trans Broadcast 49(4), 362–370 (2003) 10 WS Jeon, DG Jeong, Combined connection admission control and packet transmission scheduling ... arranging one traffic burst for the session under scheduling would increase One way to increase the number of subchannels for allocation is to decrease the modulation level For example, in accordance...
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Báo cáo hóa học: " Research Article Cross-Layer Design for Video Transmission over Wireless Rician Slow-Fading Channels Using an Adaptive Multiresolution Modulation and Coding Scheme" pptx
... those using only single-layer coding and uniform MPSK either with or without JSCC The results are demonstrated in Figures 11 and 12 for the AWGN and Rician fading channels, respectively For the ... function of ES /NI in dB for 2-layer adaptive modulation and coding scheme for Rician fading channel with ζ = dB Fixed symbol transmission rate rS = 128 Ksps other hand, for larger values of ES ... an adaptive multiresolution modulation and coding scheme which combines a multilayer video encoding and delivery scheme with an adaptive nonuniform phase-shift keyed (PSK) modulation/ coding strategy...
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Báo cáo hóa học: " On Cross-Layer Design for Streaming Video Delivery in Multiuser Wireless Environments" pptx
... Steinbach, and J A Nossek, “Analc ysis of distortion due to packet loss in streaming video transmission over wireless communication links,” in Proceedings of the International Conference on Image ... in uence on system performance therefore has to be abstracted into a form which is meaningful for the other layers involved in the cross-layer optimization (2) Signaling overhead: cross-layer design ... ist Streaming server Cross-layer optimizer Streaming client n io ut r ib Parameter abstraction Radio link layer (MAC + PHY) Figure 1: Streaming video server and mobile clients in a wireless multiuser...
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Báo cáo hóa học: "Robust System and Cross-Layer Design for H.264/AVC-Based Wireless Video Applications" pptx
... Proposed video and transport features for different applications with performance in terms of delay and average PSNR for different RLC-PDU loss rates and QCIF video sequence Foreman coded at 7.5 fps Video ... account multiple users in a wireless system are not further discussed For some specific video- related issues and system design of schedulers and network buffers we refer, for example, to [47] 5.3 ... throughput ηAL for different system designs for RLC-PDU loss rate of 1% (left-hand side) and 10% (right-hand side) For both cases, we assume that the considered user is also the worst-case user for which...
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Báo cáo hóa học: "Adaptive QoS provision for IEEE 802.16e BWA networks based on cross-layer design" ppt
... framework for adaptive QoS provision cross-layer -based design Our major QoS provision mechanism concerns are about connection-level QoS provision through dynamic RR and AC, as well as packet-level QoS ... best QoS performance for nrtPS connections, because approach1 has no QoS consideration, approach2 causes the real-time connections preempting too much bandwidth for non-real-time connections, ... four performance metrics EAC2 only considers the average resource consumption for AC, while our approach considers one more restriction: the practical symbol consumption If only for this reason,...
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Báo cáo hóa học: " Research Article Cross-Layer Design in Dynamic Spectrum Sharing Systems" potx
... Imax = 10 dB In this paper, we developed a cross-layer design scheme in a dynamic spectrum sharing system consisting of single primary and secondary users We considered a spectrum sharing scenario, ... been addressed so far in the context of spectrum sharing In this paper, we study joint design of variable power AMC and truncated-ARQ protocol in the context of spectrum- sharing systems Our aim ... direction of combined AMC-ARQ in the non spectrum- sharing scenario In [4], a crosslayer design was developed combining constant-power AMC and truncated-ARQ protocol, with the aim of maximizing the spectral...
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Báo cáo hóa học: " Research Article On Energy-Efficient Hierarchical Cross-Layer Design: Joint Power Control and Routing for Ad Hoc Networks" pdf
... transmission power: joint power control, multiuser detection, and routing 10−3 Initialization r Eb 10−4 p+MUD p+MUD 10−5 1.5 2.5 Iterations 3.5 Figure 12: Total energy consumption: joint power control, ... 0.5 JOINT POWER CONTROL, ROUTING, AND MULTIUSER DETECTION 0.4 0.3 To extend the above-described joint power control and routing algorithm to include receiver optimization, we build on results on ... extend our joint power control and routing scheme to include receiver optimization, we simply replace the simple power control adaptation at the 0.2 0.1 0 10 15 (b) Figure 10: Joint power control, ...
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Báo cáo hóa học: " Cross-Layer Design and Analysis of Downlink Communications in Cellular CDMA Systems" docx
... set and sends back HCM Terminate (b) Proposed soft handoff procedure Figure 6: Soft handoff algorithm and procedure 4.2 Soft handoff One of the major benefits of a CDMA system is the ability of a ... Spain, September 2004 [7] J Yao, T C Wong, and Y H Chew, Cross-layer design on the reverse and forward links capacities balancing in cellular CDMA systems,” in Proceedings of IEEE Wireless Communications ... Umeda, Downlink packet-scheduling considering transmission power and QoS in CDMA packet cellular systems,” in Proceedings of the 4th IEEE International Workshop on Mobile and Wireless Communications...
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Báo cáo hóa học: " Research Article On Energy-Efficient Hierarchical Cross-Layer Design: Joint Power Control and Routing for Ad Hoc Networks" pptx
... transmission power: joint power control, multiuser detection, and routing 10−3 Initialization r Eb 10−4 p+MUD p+MUD 10−5 1.5 2.5 Iterations 3.5 Figure 12: Total energy consumption: joint power control, ... 0.5 JOINT POWER CONTROL, ROUTING, AND MULTIUSER DETECTION 0.4 0.3 To extend the above-described joint power control and routing algorithm to include receiver optimization, we build on results on ... extend our joint power control and routing scheme to include receiver optimization, we simply replace the simple power control adaptation at the 0.2 0.1 0 10 15 (b) Figure 10: Joint power control, ...
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Báo cáo hóa học: " Cross-Layer Design of an Energy-Efficient Cluster Formation Algorithm with Carrier-Sensing Multiple Access for Wireless Sensor Networks" pdf
... June–July 2003 Cross-Layer Design of an Energy-Efficient Cluster Formation Algorithm [19] K Sohrabi, J Gao, V Ailawadhi, and G J Pottie, “Protocols for self-organization of a wireless sensor network,” ... Hawaii, USA, January 2000 [10] W B Heinzelman, A P Chandrakasan, and H Balakrishnan, An application-specific protocol architecture for wireless microsensor networks,” IEEE Transactions on Wireless ... phases of the LEACH B algorithm The start packet is transmitted using a value of power given by PTmax = α PRmin 4π fc d0 /c Dmax /d0 Mf , Gant (17) Cross-Layer Design of an Energy-Efficient Cluster Formation...
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code design for dependable systems theory and practical applications
... Code Design for Dependable Systems Theory and Practical Applications Eiji Fujiwara Tokyo Institute of Technology A JOHN WILEY & SONS, INC., PUBLICATION Code Design for Dependable Systems Code ... V and for all scalar c F cðu þ vÞ ¼ cu þ cv for all u, v V and for all scalar c F ða þ bÞv ¼ av þ bv for all v V and for all scalars a, b F ðabÞv ¼ aðbvÞ, 1v ¼ v, and 0v ¼ for all v V and for ... and has an additional structure Code Design for Dependable Systems: Theory and Practical Applications, by Eiji Fujiwara Copyright # 2006 John Wiley & Sons, Inc 23 24 MATHEMATICAL BACKGROUND AND...
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báo cáo hóa học: " Application driven, AMC-based cross-layer optimization for video service over LTE" doc
... doi:10.1186/1687-1499-2011-31 Cite this article as: Kwon et al.: Application driven, AMC-based crosslayer optimization for video service over LTE EURASIP Journal on Wireless Communications and Networking ... highest PSNR can be selected for a given SNR Application- driven AMC We propose a cross-layer optimization method where AMC is driven by the application layer, i.e., the video 3.1 Generation of the ... http://jwcn.eurasipjournals.com/content/2011/1/31 AD-AMC ensures maximum video quality in timevarying situations The conventional MCS selection scheme is not optimal for a video service, which is less sensitive to information loss and requires...
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