multiple access channels with generalized feedback work by k

Báo cáo hóa học: " Research Article Analysis of Coded FHSS Systems with Multiple Access Interference over Generalized Fading Channels" ppt

... found by averaging (22) over the number of interfering users k as Therefore, the MGF of the SINR, β is given by K −1 K Φβ (s) = k= 0 K k ph − ph k K k Φβ |k (s), (19) k= 0 μ μμ μ Γ (k + h) Γ (k ) ... interfering users as follows: K fβ (x) = k= 0 K k ph − ph k K k fβ |k (x) (18) ⎞ jv i=1 ⎟ w v=1 v ⎠ 1/2 + k I ⎛ ⎞ ⎜ = Q ⎜ Λ (k) ⎝ jv w v v=1 i=1 (22) ⎟ a2 ⎟ , i⎠ where Λ (k) is the SINR deﬁned in (4) ... packages ⎛ ⎜ × Q ⎜ Λ (k) ⎝ where Φβ |k (s) is the conditional MGF of the SINR, β For integer Nakagami parameters [14], it is given by Φβ |k (s) = K −1 k ph − ph k Pe (d | H, j) = w × v=1 3.2 k= 0...

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báo cáo hóa học: " On the achievable rates of multiple antenna broadcast channels with feedback-link capacity constraint" doc

Danh mục: Hóa học - Dầu khí

... rate with fixed feedback- link capacity Achievable downlink multiplexing gain with AF in AWGN feedback channels From Corollary 1, it is obvious that the downlink multiplexing gain with fixed feedback- link ... framework developed for AF can be readily applied to the case studied in [27] Lower bound on the achievable rate of ZF-DPC with AF in AWGN feedback channels Analog feedback in AWGN feedback channels ... back their complex channel coefficients using orthogonal feedback channels A simplifying assumption of our work is firstly to consider the AWGN feedback channels, i.e., no fading in the feedback...

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Báo cáo khoa học: "American Sign Language Generation: Multimodal NLG with Multiple Linguistic Channels" pot

Danh mục: Báo cáo khoa học

... of multiple channels Research on generating animations of a speaking ECA character that performs meaningful gestures (Kopp et al., 2004) has similarities to this ASL project First of all, the channels ... may take advantage of the various output channels to different degrees In ASL, there are multiple channels in the linguistic portion of the signal, and not surprisingly, the language has multiple ... communication signals 42 Acknowledgments I would like to thank my advisors Mitch Marcus and Martha Palmer for their guidance, discussion, and revisions during the preparation of this work References Cassell,...

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Báo cáo sinh học: " Decentralized estimation over orthogonal multiple- access fading channels in wireless sensor networks-- optimal and suboptimal estimators" pot

Danh mục: Điện - Điện tử

... we have |θ (k+ 1) − Φ| = |f (θ (k) ) + θ (k) − Φ| < |θ (k) − Φ| (80) When θ (k) − Φ > 0, (80) can be rewritten as |f (θ (k) ) + θ (k) − Φ| < θ (k) − Φ ⇒ −(θ (k) − Φ) < f (θ (k) ) + θ (k) − Φ < (θ (k) − Φ) (81) ... point Φ, we have |θ (k+ 1) − Φ| = |T (θ (k) ) − Φ| = |f (θ (k) ) + θ (k) − Φ| (78) When θ (k) − Φ > 0, substituting (76) into (78), we have |θ (k+ 1) − Φ| = |f (θ (k) ) + θ (k) − Φ| < |θ (k) − Φ|, (79) which ... networks over orthogonal multipleaccess fading channels in this paper Considering multiple- bit quantization for digital transmission, we develop maximum likelihood estimators (MLEs) with both known...

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báo cáo hóa học:" Decentralized estimation over orthogonal multiple- access fading channels in wireless sensor networks-- optimal and suboptimal estimators" ppt

Danh mục: Hóa học - Dầu khí

... we have |θ (k+ 1) − Φ| = |f (θ (k) ) + θ (k) − Φ| < |θ (k) − Φ| (80) When θ (k) − Φ > 0, (80) can be rewritten as |f (θ (k) ) + θ (k) − Φ| < θ (k) − Φ ⇒ −(θ (k) − Φ) < f (θ (k) ) + θ (k) − Φ < (θ (k) − Φ) (81) ... point Φ, we have |θ (k+ 1) − Φ| = |T (θ (k) ) − Φ| = |f (θ (k) ) + θ (k) − Φ| (78) When θ (k) − Φ > 0, substituting (76) into (78), we have |θ (k+ 1) − Φ| = |f (θ (k) ) + θ (k) − Φ| < |θ (k) − Φ|, (79) which ... networks over orthogonal multipleaccess fading channels in this paper Considering multiple- bit quantization for digital transmission, we develop maximum likelihood estimators (MLEs) with both known...

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Báo cáo hóa học: " Research Article Capacity of Time-Hopping PPM and PAM UWB Multiple Access Communications over Indoor Fading Channels" ppt

Danh mục: Hóa học - Dầu khí

... L vlk alk A (k) θ(Δ) K vlk alk A (k) θ(Δ) Var WMAI = Var l=1 k= 2 l=1 k= 2 (30) L (31) L K E vlk E alk A (k) E θ(Δ) = = l=1 k= 2 30 16PPM 32PPM 2PPM 4PPM 8PPM K E WMAI = E 20 K = (k) E alk A l=1 k= 2 ... fading channels can be modeled as r(t) L K hlk (t) s (k) (t) + w(t) = l=1 k= 1 L ∞ K = hlk (t) l=1 k= 1 A (k) s p t − jT f − c (k) Tc − δd (k) j d j/N j/Ns j =−∞ +w(t), (4) where w(t) is AWGN with double-sided ... be viewed as independent with respect to t, (25) can be written as L K vlk alk A (k) θ(Δ), WMAI = (28) l=1 k= 2 where Δ = (c(1) − c (k) )Tc − (δs1 − δd (k) ) − (τl1 − τlk ) is j j j the time diﬀerence...

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Báo cáo hóa học: " Iterative Pilot-Layer Aided Channel Estimation with Emphasis on Interleave-Division Multiple Access Systems Hendrik Schoeneich and Peter Adam Hoeher" docx

Danh mục: Báo cáo khoa học

... index k, ≤ k ≤ Kc , can be written as y [k] = U L u=1 l=0 hu,l [k] pu [k − l] + Mu m=1 xu,m [k − l] + n [k] , (1) where Kc is the block length in chips, U is the number of active users The downlink ... expressed as pu [k] = P p,u · e j(2π/UKCE )(Ukr+u−1) = P p,u · e j(2π/KCE )kr · e(2π/UKCE )(u−1) = p [k] · e(2π/UKCE )(u−1) , ≤ k ≤ Kc , ≤ u ≤ U, (5) where r is relatively prime to U · KCE The only ... ˇ (i+1) yυ,μ,λ [k] = y [k] − y (i+1) [k] − h(i+1) [k] · xυ,μ (k − λ) υ,λ (i+1) ηυ,μ,λ [k] ˇ (i+1) L(i+1) Xu,m [k] | yu,m,l [k + l], hu,l [k + l] l (37) (i) xu,m [k The task of the interference...

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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

Danh mục: Báo cáo khoa học

... networks,” in Proc New York Metro Area Networking Workshop (NYMAN ’03), New York, NY, USA, September 2003 [15] M Conti, G Maselli, G Turi, and S Giordano, “Crosslayering in mobile ad hoc network ... scenario with the LEACH B+ v1 protocol and with CLD v1 (i.e., without or with CL approach implemented, resp.) In Figure 5, we compare the network lifetime of the two protocols, considering a network ... network, the path loss exponent, the network size, the distance considered in the transmission of broadcast packets, and TACT are contained in the trigger transmitted by the sink, so they are known...

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Tiểu luận môn mạng máy tính Carrier Sense Multiple Access with Collision Avoidance CSMACA

Danh mục: Quản trị mạng

... ACK (B=>A) DIFS SIFS If the received frame is erroneous, no ACK will be sent When a frame is received without bit errors, the receiving station (B) sends an Acknowledgement (ACK) frame back to ... to send packets, but have to wait (defer + backoff) 2) Station C is ”winner” (backoff time expires first) and starts sending packet Wireless medium access example Wireless medium access (2) 3) ... Wireless medium access example Wireless medium access (1) Station A Contention Window ACK Defer Station B Backoff Station C Defer Station D DIFS 1) While station A is sending a packet, stations...

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Interleaved frequency division multiple access with multiple antennas and block spreading for mobile broadband communications

Danh mục: Anh văn thương mại

... is given by sk = Ek xk ˆ (2.2) where Ek is a N × N matrix, given by: Ek = √ diag G { } e j 2πnk N e j 2π(N −1 )k N (2.3) and xk is a N × vector, given by: ˆ [ xk = ˆ ]T xT xT xT k k k 14 (2.4) ... R raR ,k = Uk raR AT K ∑∑ ˆ = Uk haT ,aR ,m saT ,m + Uk η aR m=1 aT =1 ∑ K 1 AT (k) −1 ∑ ∑ AT (k) −1 = ˆ Uk haT ,aR ,k saT ,k + m=0 m̸ =k aT =0 ∑ ˆ Uk haT ,aR ,m saT ,m + Uk η aR aT =0 AT (k) −1 = ... ˆ rk = Uk hk sk + K ∑ ˆ Uk hm sm + η ′ m=1 m̸ =k ˆ = Uk hk sk + η ′ = hk xk + η ′ (2.16) The variance of noise components in η ′ remains as σ and the matrix, hk , is a S × S circulant matrix with...

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The Art of Public Speaking cylinder, piston, water, and fire, is the steam−engine in its most elementary form. For a steam−engine may be defined as an apparatus for doing work by means of heat applied to water; and since raising such a weight as the pisto

Danh mục: Kỹ năng thuyết trình

...

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Báo cáo y học: "Line bisection performance in patients with generalized anxiety disorder and treatment-resistant depressionLine bisection performance in patients with generalized anxiety disorder and treatment-resistant depression"

Danh mục: Y học thưởng thức

... sensation-seeking and risky behaviors in young adults 23 Likewise, the association of left hemisphere predominance and risk-taking in healthy university students has also proven by studying the ... negatively correlated with the Disinhibition-Seeking score (n = 56, r = -.28, P < 05) in healthy subjects, and with Total sensation-seeking (n = 47, r = -.30, P < 05) and Experience Seeking scores (n ... disrupts visuospatial working memory Emotion 2006; 6: 40-61 Lee GP, Meador KJ, Loring DW, Allison JD, Brown WS, Paul LK, et al Neural substrates of emotion as revealed by functional magnetic...

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Multiple Access Protocols for Mobile Communications - GPRS, UMTS and Beyond

Danh mục: Điện - Điện tử - Viễn thông

... ‘basic multiple access schemes’ with the physical layer, and multiple access protocols’ with the MAC (sub-)layer Unlike the few books dealing exclusively with multiple access protocols, a key concern ... respective RV) xxxii K, K[ t] K K Kf Kmax Kpemax L M M0.01 Mx N Nc Nd Nf Npc Nt Ntc P P0 Pb Pc Pdrop Pe Pi Pk PK (k) Ploss (Ploss )max Ppe Ppe [K] (Ppe )max Pr Pslot Psucc Q(x) Qe Qpe [K] R R[t] SYMBOLS ... Network Packet Notiﬁcation CHannel (GPRS) Packet Paging CHannel (GPRS) Packet Random Access CHannel (GPRS) Physical Random Access CHannel (UTRA physical channel) Packet Reservation Multiple Access...

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Phrasal Verb Organiser_Verbs with ABOUT, AFTER and BY - 1

Danh mục: Kỹ năng nói tiếng Anh

...

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Tài liệu Microsoft Excel and Access Integration with Office 2007 P2 doc

Danh mục: Tin học văn phòng

... want to import If your workbook has more than one worksheet, all worksheets will be listed here In this case, there is only one worksheet Select the target worksheet and click the Next button Figure ... changes from Access back to Excel To test this, open the linked table in Access by double-clicking the linked Excel table icon Next, try to change the data by replacing branch number 101313 with 999999 ... In these situations it makes more sense to get your Excel data by linking a worksheet Linking data is different from importing data in that Access references the linked data in its original location...

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Tài liệu Microsoft Excel and Access Integration with Office 2007 P1 docx

Danh mục: Tin học văn phòng

... Page xvi Acknowledgments We would like to express our deepest thanks to Katie Mohr and Kelly Talbot, for all the hours of work put into making this book as clear as it can be Thanks also to Ed ... Table Linking an Excel Worksheet to Access Appending an Excel Worksheet to an Existing Table Potential Errors When Using the Append Import Wizard Summary Chapter 2: Analyzing Excel Data with Access ... Data into Access Differences Between Access and Excel Different Types of Excel Spreadsheets The Excel Worksheet in Report Format The Excel Worksheet in Flat File Format The Excel Worksheet in...

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Tài liệu Microsoft Excel and Access Integration with Office 2007 doc

Danh mục: Tin học văn phòng

... want to import If your workbook has more than one worksheet, all worksheets will be listed here In this case, there is only one worksheet Select the target worksheet and click the Next button Figure ... Page xvi Acknowledgments We would like to express our deepest thanks to Katie Mohr and Kelly Talbot, for all the hours of work put into making this book as clear as it can be Thanks also to Ed ... changes from Access back to Excel To test this, open the linked table in Access by double-clicking the linked Excel table icon Next, try to change the data by replacing branch number 101313 with 999999...

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Tài liệu Lab 11.2.3d Multiple Access Lists Functions (Challenge Lab) pdf

Danh mục: Quản trị mạng

... loopback 10 Boaz(config-if)#ip address 192.168.255.10 255.255.255.255 Boaz(config-if)#exit Add a network statement to the Boaz routing protocol to advertise this network Boaz(config-router)#network ... outside the internetwork The only host that should have telnet access to the routers is the network administration computer To stop telnet access to the routers create an access control list ... amount of turnover by the service personnel After a security audit, it was discovered that there are no network restrictions on the computers used by the service personnel The network infrastructure...

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Tài liệu Chapter 12 Multiple Access docx

Danh mục: Quản trị mạng

... procedure defined by the protocol to make a decision on whether or not to send Topics discussed in this section: ALOHA Carrier Sense Multiple Access Carrier Sense Multiple Access with Collision ... network with a Two stations b Four stations Solution We can use the rows of W2 and W4 in Figure 12.29: a For a two-station network, we have [+1 +1] and [+1 −1] b For a four-station network we ... protocols Topics discussed in this section: Frequency-Division Multiple Access (FDMA) Time-Division Multiple Access (TDMA) Code-Division Multiple Access (CDMA) 12.36 Note We see the application of all...

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Tài liệu Báo cáo khoa học: The pro-form of BMP-2 interferes with BMP-2 signalling by competing with BMP-2 for IA receptor binding pptx

Danh mục: Báo cáo khoa học

... interferes with BMP-2 signalling 36 Aoki H, Fujii M, Imamura T, Yagi K, Takehara K, Kato M & Miyazono K (2001) Synergistic effects of different bone morphogenetic protein type I receptors on alkaline ... Schmidt-von Kegler M, Lehmann K, Seidel J, Kjaer KW, Pohl J & Mundlos S (2008) Brachydactyly type A2 associated with a defect in proGDF5 processing Hum Mol Genet 17, 1222–1233 25 Schwabe GC, Turkmen ... Biol Chem 277, 4883–4891 49 Kanzaki S, Takahashi T, Kanno T, Ariyoshi W, Shinmyouzu K, Tujisawa T & Nishihara T (2008) Heparin inhibits BMP-2 osteogenic bioactivity by binding to both BMP-2 and...

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