Báo cáo hóa học: " PhantomNet: Exploring Optimal Multicellular Multiple Antenna Systems" doc

... multicellular sys- tem with multiple antennas at the base station and a single receive antenna at each mobile. While the scheme itself is suboptimal and limited in scope to a single receive antenna at ... Signal Processing 2004:5, 591–604 c  2004 Hindawi Publishing Corporation PhantomNet: Exploring Optimal Multicellular Multiple Antenna Systems Syed A. Jafar Electrical En...

Ngày tải lên: 23/06/2014, 01:20

... P (D=i) and P (D=i-1) , we can find whether or not some peers in the set P (D=i) receive message from multiple (≥ 2) relay peers in the set P (D=i-1) . If a peer receives a message from multip le peers, ... group G. 5 Concluding Remarks In this paper, we discussed h ow to create a trustwor thy group of multiple peers in a scalable P2P overlay network. In the decentralized scalable P2P net...

Ngày tải lên: 21/06/2014, 06:20

... six relays each having three antennas. Figure 16. MSE at destination with six relays each having three antennas. 1 Amplify-forward relaying for multiple- antenna multiple relay networks under ... reliability of the relay channel can be further improved by using multiple antennas at each node. The use of relays together with using multiple antennas has made it a versatile tec...

Ngày tải lên: 21/06/2014, 23:20

... as other estimators. 6.1 Convergence of the suboptimal estimator We first study the convergence of the suboptimal estimator. Figure 1 depicts the MSEs of the suboptimal estimator as a function of th e ... algorithm. Now we consider the iterative algorithm of the suboptimal e s timator . Similar to the prev ious discussion, we rewrite the suboptimal algorithm (57) as a function of p(y i |θ) and...

Ngày tải lên: 20/06/2014, 04:20

... 684–702, 2003. [14] S. A. Jafar, G. J. Foschini, and A. J. Goldsmith, PhantomNet: exploring optimal multicellular multiple antenna systems,” EURASIP Journal on Applied Signal Processing, vol. ... MIMO network, with multiple antennas at both base stations and mobile users. Each user is equipped with n r receive antennas, and each base station is equipped with n t transmit antennas...

Ngày tải lên: 21/06/2014, 05:20

... knowledge, construct a random process for which the optimal kernel function is similar to the optimal kernel function for {x( t)}. In this paper, we prove that the MSE optimal kernel function for any parameterized ... theorem, the MSE optimal kernel function can be computed by solving a system of linear equations. Theorem 1 (MSE optimal kernel for a family of random processes). Fora...

Ngày tải lên: 21/06/2014, 07:20

... f t  v    ≤ K  u − v  , ∀u, v ∈ U  x  , ∀t ∈ T. 2.20 3. Approximate Optimality Conditions In this section, several approximate optimality conditions will be established based on concepts of -semiconvexity ... Loridan, “Necessary conditions for ε-optimality,” Mathematical Programming Study, no. 19, pp. 140– 152, 1982. 2 J J. Strodiot, V. H. Nguyen, and N. Heukemes, “ε -optimal so...

Ngày tải lên: 21/06/2014, 20:20

... 2: Optimal coefficients b ij ’s for the BOSR. −1 −0.5 0 0.5 1 1.5 2 b r ij 1 2 3 4 5 6 7 8 IMF index i 1 0.5 0 −0.5 −1 Sample index j Figure 3: Optimal coefficients b ij ’s for the RBOSR. 3. OPTIMAL ... EMD, however, does not impose on optimality conditions for reconstruction from IMFs. In this paper, several improved versions of EMD signal reconstruction that are optimal in the minimum m...

Ngày tải lên: 21/06/2014, 22:20

... 1000 Expected utilization Time slots Optimal Best heuristic Figure 9: Average utilization over time for both the optimal and heuristic channel selection algorithms. Only the optimal algorithm is guaranteed ... slots Tracking the best channel Optimal Best heuristic Figure 10: The optimal channel selection tracks the best channel even if the traffic parameters change during the simulati...

Ngày tải lên: 21/06/2014, 22:20

... strategy is not only optimal, but also fair. Our future work is to design more feasible co-opetition strategy for different system setups, including multicarrier and multiple antennas systems. We ... NBS SP. 4.3.4. Optimality Verification. Our co-opetition is also opti- mal. As stated in Section 1, optimal means sum utility maximization (SUM) under individual constraints. The optimality is...

Ngày tải lên: 21/06/2014, 22:20