Báo cáo hóa học: " Performance Analysis of Multiple-Symbol Differential Detection for OFDM over Both Time- and Frequency-Selective Rayleigh Fading Channels" doc

... Corporation Performance Analysis of Multiple-Symbol Differential Detection for OFDM over Both Time- and Frequency-Selective Rayleigh Fading Channels Akira Ishii Department of Communications and Systems, ... 2003 The performance of orthogonal frequency-division multiplexing (OFDM) system with multiple-symbol differential detection (MSDD) is analyzed ov...

Ngày tải lên: 23/06/2014, 01:20

... In Figure 3, we display both the analytical (dashed line) and simulated SNR gain for a f Δ = 2 ppm, N t =2 ,and for various transmit symbols (T p ) for both a fixed and an uniform residual CFO. We ... 2011:177 http://jwcn.eurasipjournals.com/content/2011/1/177 Page 6 of 13 RESEARCH Open Access Performance analysis of distributed ZF beamforming in the presence of CFO Y...

Ngày tải lên: 20/06/2014, 22:20

... buffer size, and number of available channels on performance metrics. For comparison, the performance of traditional preemptive spectrum-sharing mechanism has also been analyzed and the results ... groups are in terms of l p and μ p .Forthedurationofaspecificnum- ber of PUs, the states of SUs achieve equilibrium. All the transitions within a group are in terms of l s...

Ngày tải lên: 20/06/2014, 22:20

... 2011:10 http://jivp.eurasipjournals.com/content/2011/1/10 Page 10 of 17 provide random access or FIFO queues both for instruc- tions and for data to i ncrease performance and flexibility. A group of 2 CU and 2 RU is called Brick. Bricks are connected ... is one of the pur- poses of the platform, to offer a high -performance device keeping prototyping rapid and closer...

Ngày tải lên: 20/06/2014, 22:20

... because the OFDM symbol rate is reduced without profit [12]. Therefore, there exist optimum values for both the number of carriers and the cyclic prefix length. The performance of OFDM has largely ... compact form because of the periodic beha- vior of the channel response.  We evaluate the performance of broadband OFDM systemsonindoorpower-linechannelsasafunction of...

Ngày tải lên: 20/06/2014, 22:20

... Section 5 . 2. OFDM SYSTEMS OFDM is a form of mutlicarrier modulation and consists of a number of narrowband orthogonal subcarriers trans- mitted in a synchronous manner. The mth OFDM data blocktobetransmittedcanbedefinedass(m) = ... theoretical mean and variance of the MOV estima- tor and examine the performance analytically. We also eval- uate the performance of the...

Ngày tải lên: 22/06/2014, 23:20

... approach. Analysis of Adaptive Volterra Filters. The Finite-Alphabet Input Case 2717 From the analysis of this recursion, all mean square per- formances in transient and in steady states of the ... finite states {1, 2}, and a probability transition matrix P =  1/21/2 1/21/2  . This model for the transmitted signal is widely used, especially for the performance analysis...

Ngày tải lên: 23/06/2014, 01:20

... is the per-capita rate of predation of the predator, d > 0 is the death rate of predator, c > 0 denotes the product of the per-capita rate of predation and the rate of conversing prey into ... existence and uniqueness of solutions of (2.2) is guaranteed by the smoothness properties of f, which denotes the mapping defined by right-side of system (2.2) (see Lakshmik...

Ngày tải lên: 21/06/2014, 17:20

... http://www.translational-medicine.com/content/7/1/48 Page 2 of 8 (page number not for citation purposes) caspase dependent and occurred by activation of extrinsic and intrinsic cell death pathways modulating both FAS and TRAIL and by inducing ... induces modulation of ERK and AKT phosphorylation and increase of histone acetylation in NB4 cellsFigure 5 BPA induces modul...

Ngày tải lên: 18/06/2014, 15:20

... [34,36]. The sample size for Rasch analysis varies according to a number of parameters, including the degree of required precision of the person and item estimates, and the target- ing of the sample. A ... Sub- stantial disordering of thresholds was identified for many of the MSIS-29-PHYS items, and minor disordering was identified for some of the MSIS-29-PSYCH ite...

Ngày tải lên: 18/06/2014, 18:20