Physical layer network coding and precoding for 2 way relay channel in cellular system TSP2011
Báo cáo hóa học: " Editorial Physical-Layer Network Coding for Wireless Cooperative Networks" pot
... relay and/or multicast PLNC “Beamforming-based physical layer network coding for nonregenerative multi-way relaying” presents new beamforming relaying strategies for multiway relaying that allow ... incremental network coding through automatic repeat request (ARQ) to ensure desired quality of service (QoS) Joint design of LDPC coding and network coding can further improve the reliability of networks ... criterion, the decision region, and the achievable performance The paper “The performance of network coding at the physical layer with imperfect self-information removal” discusses PLNC with denoising...
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Báo cáo hóa học: " Research Article Scalable Ad Hoc Networks for Arbitrary-Cast: Practical Broadcast-Relay Transmission Strategy Leveraging Physical-Layer Network Coding" pot
... Communications and Networking (0, 0) (1, 0) (0, 1) 3 (2, 1) (1, 2) (2, 0) (1, 1) (0, 2) 4 (i, j) Figure 6: Rectangular grid network MAC-LAYER FOR ASSISTANCE: TRANSMISSION STRATEGY FOR WIRELESS AD HOC NETWORKS ... the performance of our transmission strategy, where we will discuss the transmission efficiency of our strategy in linear, rectangular, and hexagonal networks, whose performance is scalable for any ... transformation of the signals 2.2 Network model Since we will discuss the transmission strategy in linear, rectangular, and hexagonal networks for the unicast, multicast, and broadcast cases, for...
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Radio network planning and optimisation for umts 2nd edition phần 2 pptx
... persistence level (1–8) and a persistence-scaling factor (seven values, from to for ASC 2- 7) set during radio network planning 52 Radio Network Planning and Optimisation for UMTS and randomly selects ... rate 1/3) 128 30 — — — 64 60 12. 2 þ 3.4 AMR speech 12. 2 kbps, DCCH 3.4 kbps AMR (TTI 20 ms, CC 1/3 for TrCH dA and dB; CC 1 /2 for TrCH dC) and SRB (as above) 32 120 28 .8 þ 3.4 Modem 28 .8 kbps, ... (as above) 16 24 0 ( 12. 2) þ 128 þ 3.4 (AMR speech 12. 2 kbps), packet data 128 kbps, DCCH 3.4 kbps Packet data 128 kbps (TTI 20 ms, turbo coding 1/3), AMR and SRB (as above) 16 24 0 ( 12. 2) þ 144 þ...
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an introduction to network modeling and simulation for the practicing engineer
... Network Modeling and Simulation for the Practicing Engineer Jack Burbank, William Kasch, Jon Ward AN INTRODUCTION TO NETWORK MODELING AND SIMULATION FOR THE PRACTICING ENGINEER Jack Burbank William ... relatively constant over the transmission of the message From Table 2-3, the IEEE 802.11 b and g channel bandwidth both exceeds and is below the range of the fading channel bandwidth (coherence bandwidth) ... replacements to existing capabilities to keep up with demand These rapid developments in the network industry lead to a large, complex landscape The network designer and developer wants (and needs) to...
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Báo cáo hóa học: " Research Article Network Coding-Based Retransmission for Relay Aided Multisource Multicast Networks" pot
... be reused for multisource- multicast network by viewing a multisourcemulticast network as a superposition of several multicast networks More specifically, the lost packets in the same information ... designing a retransmission mechanism for multisource- multicast networks that can achieve a high network throughput efficiency has received less interest The NC-based ARQ strategies for multicast networks ... we propose a new reliable transmission scheme for wireless multisource- multicast networks based on NC For a specific case of multisource- multicast networks with two sources and two destinations,...
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Báo cáo hóa học: " Research Article Cooperative Coding and Caching for Streaming Data in Multihop Wireless Networks" ppt
... original data segments, and we refer to it as Cooperative Coding and Caching (C ); compre for example Network Coding (NC) and no coding at all (Non-NC ) 3.1 Overview of Cooperative Coding and Caching ... the caching data management This paper takes advantages of coding to facilitate the caching management for streaming data in multihop wireless networks Network coding was first introduced in [21] ... networks Conclusion and Future Work In this paper, we introduced a novel solution for caching management of streaming data in multihop wireless networks, Cooperative Coding and Caching (C ), which...
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Báo cáo toán học: "Combinatorial Approaches and Conjectures for 2-Divisibility Problems Concerning Domino Tilings of Polyominoes" pptx
... the notation # R for the number of domino tilings of R For example, # = We will use the notation #2 R for the parity of the number of domino tilings of R The direction of a domino from a fixed ... removal of forced dominoes (for a definition and extensive discussion of Aztec diamonds see [3] ) If n is even we see that (14) reduces to the formula for the number of domino tilings of the Aztec ... grid of size × (2n − 1) to the left of Hn−1 Lemma The number of domino tilings of the square grid is given by N (2n, 2n) = 2n (#Hn )2 (4) Proof of lemma: Consider a fixed orientation for the dominoes...
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Báo cáo khoa học: "Physical damage on tropical tree saplings: quantification and consequences for competition through height growth in a neotropical rain forest of French Guiana" pdf
... Eperua grandiflora, Symphonia globulifera, moni, Vouacapoua americana, Pradosia cochlearia (this study), Qualea rosea Carapa procera, patawa, and Dicorynia guianensis [24] From a structural point ... consequence of stem these parameters? on We undertook a study of the effects of damage by breakage on the growth and survival of saplings of three tropical rain forest tree species in native and ... families of trees attaining at least 10 cm in diameter at breast height (DBH) in the Paracou forest are the Lecythidaceae (18 % of the individuals), the Caesalpinaceae (13 %) and the Chrysobalanaceae...
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Radio network planning and optimisation for umts 2nd edition phần 1 pptx
... http://grouper.ieee.org/groups/802 /11 /) 802 .11 Working Group Brief description 802 .11 -19 97, 802 .11 -19 99 802 .11 a -19 99 802 .11 b -19 99 802 .11 c 802 .11 d-20 01 802 .11 e 802 .11 f-2003 802 .11 g-2003 802 .11 h-2003 Base standard GHz ... networks Wireless network management 802 .11 i-2004 802 .11 j-2004 802 .11 k 802 .11 m 802 .11 n 802 .11 p 802 .11 r 802 .11 s 802 .11 t 802 .11 u 802 .11 v Note: If no year is indicated with the standard, then it is ... 3.5 Optimisation of the Radio Network Plan 3.5 .1 Ideal Case 3.5.2 Shinjuku Case 28 28 30 37 45 60 65 69 75 76 80 83 89 91 93 95 95 98 99 10 0 10 0 10 2 10 5 10 9 11 0 12 4 12 9 13 7 13 9 14 2 14 3 14 4 14 9 14 9...
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Radio network planning and optimisation for umts 2nd edition phần 3 ppt
... for soft handover was set to dB (Table 3. 12) In Figures 3. 18 and 3. 19 there are examples of soft handover probabilities and soft handover conditions Radio Network Planning and Optimisation for ... Network Planning and Optimisation for UMTS Equations (3. 24) and (3. 25) yield: ð0:025 Á 16 kbps þ 0:010 Á 32 kbps þ 0:005 Á 64 kbps þ 0:2 kbps=0:87Þ Á 1 :3 Á 35 0000 196 Mbps Á 0:9 ¼ 3: 3 RNCs 3: 28Þ ... 2% 5s 23. 4 s 95% 2.2 mErl 0 .3 kbps/h 636 2% 5s 7.92 s 90% 2.2 mErl 0.8 kbps/h 31 8 0.5 2% 5s 7.92 s 90% 12091 19 2% 0s 162 s 98% Radio Network Planning and Optimisation for UMTS 144 Table 3. 10 Example...
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Radio network planning and optimisation for umts 2nd edition phần 4 ppsx
... 0. 54 0 .41 0.20 0.23 0.27 0 .43 1.10 0.83 0.82 1.09 0.13 0.06 0.11 0.20 0.20 0.15 0. 14 0.13 0 .42 0.39 0.28 0. 24 0.39 0.75 0.60 0.76 0 .47 0.79 0 .47 0.73 0 .49 0.19 0.28 0 .41 0.12 0. 24 34. 4 32.2 34. 1 ... Average Standard deviation 4. 05 4. 08 4. 33 5.36 9.5 0.27 0.3 0 .49 0. 64 1.51 6.37 6 .44 6. 74 7.51 10 .4 0 .48 0.5 0 .47 0.57 1.38 Fast Power Control and User Equipment Speed The SIR target for the closed-loop ... network, and, if the increased interference 180 Radio Network Planning and Optimisation for UMTS exceeds the diversity gain, soft handover cannot provide any benefits for system performance [45 ]...
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Radio network planning and optimisation for umts 2nd edition phần 5 pot
... =kT À e Radio Network Planning and Optimisation for UMTS Second Edition Edited by J Laiho, A Wacker and T Novosad # 2006 John Wiley & Sons, Ltd Radio Network Planning and Optimisation for UMTS 280 ... handovers degrading the performance in both the uplink and downlink The reduced BLER performance will Radio Network Planning and Optimisation for UMTS 270 Degraded performance due to too high level ... downlink power Uplink noise rise 4.37 W 6.32 W 8 .56 W 1.77 dB 1.68 dB 1 .58 dB Radio Network Planning and Optimisation for UMTS 268 setting of SHO windows and the PtxTarget is essential to support the...
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Radio network planning and optimisation for umts 2nd edition phần 6 doc
... b 12.2 64 128 384 60 240 480 960 128 32 16 89 22 10 Micro-cell c 12.2 64 128 384 60 240 480 960 128 32 16 104 25 12 a Cch;2 56; 0 used for CPICH; Cch;2 56; 1 used for P-CCPCH; Cch ;64 ;1 used for S-CCPCH; ... handovers between GSM and WCDMA networks for load and coverage reasons Radio Network Planning and Optimisation for UMTS 300 Table 5.7 Trunking gain in the case of load sharing between EDGE and ... narrowband interference is not present was 4 46 for the macro-rcell network and 7 76 for the microcell network Initially, there were 500 and 800 mobiles for the macro-cell and micro-cell networks,...
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