Báo cáo hóa học: " Research Article Uplink SDMA with Limited Feedback: Throughput Scaling" docx

... (number of scheduled users = 1) SDMA (orthogonal) SDMA (ZF) Figure 4: Throughput comparisons between uplink SDMA with limited feedback, SDMA with random scheduling, and uplink ran- dom access in [28]. ... Advances in Signal Processing Volume 2008, Article ID 479357, 17 pages doi:10.1155/2008/479357 Research Article Uplink SDMA with Limited Feedback: Throug...

Ngày tải lên: 22/06/2014, 19:20

... Wireless Communications and Networking Volume 2010, Article ID 168357, 10 pages doi:10.1155/2010/168357 Research Article Uplink Cross-Layer Scheduling with Differential QoS Requirements in OFDMA Systems Bo ... short-term fairness in the system with multiple wireless interfaces [13]. In [14], Fu et al. solved the dual problems of maximizing expected throughput given limited ene...

Ngày tải lên: 21/06/2014, 11:20

... opportunities within the spectrum of a primary system can be determined via tile- based energy detection using (9). Since all the subcarriers within the same tile should all be affiliated with the same hypothesis ... the subcarriers but is independent from the symbol index. If p k, j denotes indices of rows with pilots within B,aτ estimate for B, which will be denoted as τ j ,can be obtain...

Ngày tải lên: 21/06/2014, 19:20

... reductions. With a block size of 2 symbols with 2 transmit antennas and o ffset τ 1 = 0.6T, the system has a spectral efficiency that is 23% less than that of synchronized systems and with a block ... to 10 −2 . 7.1. Comparison with OSIC VBLAST. In Figures 10 and 11, the performance of the proposed system with MMSE receivers is compared to that of a traditional aligned VBLAST with or...

Ngày tải lên: 21/06/2014, 05:20

... known limitations in power consumption, they only meet the throughput requirements of the slowest standards and only with high degrees of parallelism (and so with increased power consumption). For this reason, ... codes, the 3GPP-LTE binary code with block size 1504 and rate 1/3 and the WiMAX duo- binary code with size 480 and rate 1/2, and for one LDPC code, the WiMAX code with s...

Ngày tải lên: 21/06/2014, 05:20

... following statement holds. If {X i ; i ≥ 1} is a sequence of random variables such that ρ ∗ N ≤ r with EX i  0 and E|X i | q < ∞ for every i ≥ 1, then for all n ≥ 1, E  max 1≤i≤n | S i | q  ≤

Ngày tải lên: 21/06/2014, 05:20

... Corporation EURASIP Journal on Advances in Signal Processing Volume 2010, Article ID 806043, 7 pages doi:10.1155/2010/806043 Research Article High-Resolution Time-Frequency Methods’ Performance Analysis Imran ... a given time instant, has the largest positive value (close to 1) of the measure R i is the TFD with the best resolution performance at that time instant for the signal under...

Ngày tải lên: 21/06/2014, 08:20

... Applications Volume 2010, Article ID 982352, 13 pages doi:10.1155/2010/982352 Research Article Iterative Algorithms with Variable Coefficients for Multivalued Generalized Φ-Hemicontractive Mappings without Generalized ... Φ-hemicontractive mapping with Φtt 2 /1  t 2 . However, T is not Φ-hemicontractive. Indeed, if there exists a strictly increasing function φ : 0, ∞ → 0, ∞...

Ngày tải lên: 21/06/2014, 11:20

... Corporation Fixed Point Theory and Applications Volume 2011, Article ID 712706, 22 pages doi:10.1155/2011/712706 Research Article Quasigauge Spaces with Generalized Quasipseudodistances and Periodic Points ... Ekeland and Caristi types without lower semicontinuity assumptions in cone uniform spaces with generalized pseudodistances,” Fixed Point Theory and Applications, vol. 2010, A...

Ngày tải lên: 21/06/2014, 11:20

... Applications Volume 2010, Article ID 982352, 13 pages doi:10.1155/2010/982352 Research Article Iterative Algorithms with Variable Coefficients for Multivalued Generalized Φ-Hemicontractive Mappings without Generalized ... Φ- hemiaccretive with bounded range. For any given f ∈ X, define S : X → 2 X by Sx : x − Tx  f for all x ∈ X. For any given x 0 ,u 0 ,v 0 ∈ X,let{x n } be the Ishi...

Ngày tải lên: 21/06/2014, 11:20