Báo cáo hóa học: " Resource allocation for maximizing outage throughput in OFDMA systems with finite-rate feedback" docx
Báo cáo hóa học: " Resource allocation for maximizing outage throughput in OFDMA systems with finite-rate feedback" docx
... RESEARCH Open Access Resource allocation for maximizing outage throughput in OFDMA systems with finite-rate feedbackBo Wu1, Lin Bai2, Chen Chen1*and Jinho Choi3AbstractPrevious ... article as: Wu et al.: Resource allocation for maximizing outage throughput in OFDMA systems with finite-rate feedback. EURASIP Journalon Wireless Communications and Networking 2011 2011:56.Submit ... constraints.We introduce the outage throughpu t as the perfor-mancemeasureforthedownlinkthroughput.Here,wedefine the outage throughput as the maximum expectedrate of information delivered to users in...
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Báo cáo hóa học: " Research Article Accelerating of Image Retrieval in CBIR System with Relevance Feedback" docx
... nondominant componentscan produce the masking effect, inhibiting the in uence ofdominant components, leading thus to the false decision.These facts are taken into account in our CBIR system with ... coordinates for dominant colors in HSV (hue-saturation-value) space, 32 coordinates for dominant colors in YCbCr (luminance Y and two chrominance components:Cb= Y−B, Cr = Y−R) space, 164 coordinates ... reaching any point over the Globeand using any available information. New technologies havea strong impact on our daily life and we changed our way ofliving, working, thinking, and learning....
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báo cáo hóa học:" Resource Allocation for Asymmetric Multi-Way Relay Communication over Orthogonal Channels" potx
... Conference on Communication Systems (ICCS)2010:346–350.14. Amah A, Klein A: Non-regenerative multi-way re-laying with linear beamforming. In IEEE Interna-tional Symposium on Indoor and Mobile Radio ... symbol. For an equal time and rate allocation, network codinggains more than 2.5 dB for R = 2.0 bits per symbol.The systems with the optimal time and rate al-location perform best and gain for ... non-regenerative relaying with beamforming. The sameauthors considered similar scenarios with regenera-tive relaying in [16] and multi-group multi-way relay-ing in [17,18]. Code design for the multi-way...
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Báo cáo hóa học: " Resource Allocation for Asymmetric Multi-Way Relay Communication over Orthogonal Channels" pptx
... largest gain due to network coding is obtained for N = 2 terminals and the gain decreases with increasing N . In further work, efficient code design for asym-metric multi-way relay systems could ... non-regenerative relaying with beamforming. The sameauthors considered similar scenarios with regenera-tive relaying in [16] and multi-group multi-way relay-ing in [17,18]. Code design for the multi-way ... Nterminals Ti with 1 ≤ i ≤ N via a relay where eachterminal wants to communicate common informa-tion to all other terminals. We do not consider pri-vate information that is only intended for...
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Báo cáo hóa học: " Capacity Planning for Group-Mobility Users in OFDMA Wireless Networks" pdf
... by using the linear programming techniqueand the Hungarian method. In [4], the authors formulateda combinatorial problem to jointly optimize the subcarrierand power allocation. In their formulation ... high-performance physical layer in emerging cellular networks. OFDMA is based on OFDM and inherits immunity to inter-symbol interference and frequency selective fading. Recently,adaptive resource ... tele-traffic performance (for more details, refer to Section 3.2). In the case of a batch of users arriving at a new cell, for example,during a handover event involving the mobile platform, thereare...
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Báo cáo toán học: " Resource Allocation for Asymmetric Multi-Way Relay Communication over Orthogonal Channels" potx
... largest gain due to network coding is obtained for N = 2 terminals and the gain decreases with increasing N . In further work, efficient code design for asym-metric multi-way relay systems could ... Conference on Communication Systems (ICCS)2010:346–350.14. Amah A, Klein A: Non-regenerative multi-way re-laying with linear beamforming. In IEEE Interna-tional Symposium on Indoor and Mobile Radio ... non-regenerative relaying with beamforming. The sameauthors considered similar scenarios with regenera-tive relaying in [16] and multi-group multi-way relay-ing in [17,18]. Code design for the multi-way...
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Báo cáo hóa học: " Resource allocation based on integer programming and game theory in uplink multi-cell cooperative OFDMA systems" ppt
... Seong-Lyun, Joint subcarrier and power allocation in uplink OFDMA systems. IEEE Commun Lett. 6(9), 526–528(2005)2. D Zhang, Y Wang, J Lu, QoS aware resource allocation in cooperative OFDMA systems with ... vector¯cmindenotes the minimumrate of each user.The optimizing framework is therefore formulated asan integer programming problem. By introducing a 1 ×m dual vector lmand introducing sub-gradient ... There-fore, the proposed algorit hm is suitable for the resource allocation in cooperative OFDMA systems if the cost ofchannel o verhead can be afforded. Otherwise , in energy-saving systems, ...
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báo cáo hóa học:" Resource reservation for mobile hotspots in vehicular environments with cellular/WLAN interworking" ppt
... considered in this study. In Section 3, we introduce the approaches to analyze video3introduced in [22] for the waiting time of a D/G/1 queue, whose inter-arrival time is deterministic andservice ... rate.As shown in Fig. 1, a two-hop wireless channel is applied for the moving network in a vehicularenvironment. In case of a handoff between neighboring cells, the ongoing traffic within the mobile ... delay decreases with the increase of the cellular channel rate, we can obtain the channel bandwidthto be reserved by locating the intersection point with the line of delay bound. In this case,...
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Báo cáo hóa học: " Norm inequalities for the conjugate operator in two-weighted Lebesgue spaces" ppt
... providetwo-weighted norm inequalities for Calderón-Zygmund operators that are sharp for the Hilbert transform and for the Riesz transforms.Ding and Lin [23] consider the fractional integral operator ... first and the last integrals are independent of ε. Letting ε ↘ 0, therefore, theproof is complete after accepting Lemma 4.3.Lemma 4.2. Let avbe defined in (4.14). Then, for every q ≥ p and ... function norm inequalities for the Poisson integral. Trans Amer Math Soc. 210, 225–231(1975)7. Sawyer, ET: Two weight norm inequalities for certain maximal and integral operators. In Harmonic...
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Báo cáo hóa học: " Probabilistic framework for opportunistic spectrum management in cognitive ad hoc networks" pdf
... D(i)∗min] 1.Accordingto(14),D(i)minis atleastD(i)∗min with probabilitypD∗min=1− Pr[Dmin< D(i)∗min].Substituting in (14), we getD(i)∗min=− ln(pD∗min)παiρi(15)Note ... the RAP-MAC goodputgain decreases before increasing again for the morestringent outage constraint of b equals to 1%.As we mentioned earlier, the superior goodput perfor-mance of RAP-MAC is ... generallyjointly addressed. Several spectrum access and sharingschemes have been proposed for CRNs with the gener alobjective of maximizing the CRN goodput without vio-lating the interference...
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