Báo cáo hóa học: "Research Article Delay Optimization in Cooperative Relaying with Cyclic Delay Diversity" docx

... 102030405060 SINR (dB) Without cyclic delay With random cyclic delay With optimized cyclic delay Figure 13: Cumulative distribution function of the received SINR on a rural environment with a cell ... Advances in Signal Processing 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 C.D.F. 0 2 4 6 8 1012141618 Throughput (bits/symbol/Hz) Without cyclic delay With random cyclic...

Ngày tải lên: 21/06/2014, 22:20

... following two inequalities: CFP MIN ≤ xy, CP MIN ≤ (1 − x)y = y − xy. (9) These are obtained by rearranging the first two inequal- ities of the original problem statement. Solving the second inequality ... Li Allocating bandwidth between different forms of coexisting traffic (such as web-browsing, streaming, and telephony) within a wireless LAN is a challeng ing and interesting problem. Centraliz...

Ngày tải lên: 22/06/2014, 19:20

... R is an integrable function. Boundary value problems with integral boundary conditions constitute a very interesting and important class of problems. They include two, three, multipoint, and nonlocal ... order differential inclusions with integral boundary conditions,” The Rocky Mountain Journal of Mathematics, vol. 40, no. 1, pp. 13–26, 2010. 5 G. Infante, “Nonlocal boundary value probl...

Ngày tải lên: 21/06/2014, 11:20

... source terminal i. Source terminal i may share its trust vector with other terminals in the network. For instance, terminal i may inform terminal l about behavior of terminal k. Terminal l then ... like to point out that by maintaining belief, source terminals deviate from the assumption (as in existing cooperative protocols) that their partners are always willing to cooperate. Indeed...

Ngày tải lên: 21/06/2014, 20:20

... forwarding processed signals to the destination in another phase. The destination can use maximum ratio combining in both phases to recover the original information. In [7–11], coded cooperative relaying ... is interleaved before being re- encoded [8]) so that the destination can use code combining techniques such as iterative decoding to recover the original information. Coded coo...

Ngày tải lên: 21/06/2014, 22:20

... performance is obtained with λ = 1. WFSTs trained with 10 and 34 reach the maximum with λ = 0.25, while with 16 and 28 the maximum is obtained with λ = 0.50. However, the variation in performance ... models. This gain in accuracy increases as the training/adaptation data is increased, obtaining an improvement of almost 3% when all 34 sentences are used. The matched pairs test de...

Ngày tải lên: 21/06/2014, 22:20

... pages doi:10.1155/2008/125735 Research Article Interference Mitigation in Cooperative SFBC-OFDM D. Sreedhar and A. Chockalingam Department of Electrical Communication Engineering, Indian Institute of Science, Bangalore 560012, India Correspondence ... however, are crucial in achieving the promised potential of CO-ST-OFDM [8– 11]. For example, in the context of cooperative OFDM, th...

Ngày tải lên: 22/06/2014, 01:20

... is the segment index and R denotes the number of segments within the frame (the number of data blocks in each frame is N B = N s × R). Substituting (9) into (11), bear- ing in mind that d  (m, ... multipath time-varying channel in which several paths with possibly different DOAs are present for each user. In a multiuser sce- nario the main obstacle is the large number of parameters...

Ngày tải lên: 22/06/2014, 19:20

... UL-MAP contain the correlative information of the intervals’ usage in the following downlink and uplink subframes, respectively, and are broadcast to all SSs. The following downlink bursts carry ... messages: unicast polling, and contention-based polling including multicast or broadcast polling. In the first case each SS station is polled individually by the BS to send the request; in th...

Ngày tải lên: 21/06/2014, 23:20

... problem data, and the number of corresponding mesh points. In this paper, we study the following singularly perturbed delay differential problem in the interval I 0,T: εu   t   a  t  u  t   ... problems undergo rapid changes within very thin layers near the boundary or inside the problem domain. It is well known that standard numerical methods for solving singular perturbatio...

Ngày tải lên: 21/06/2014, 07:20