Báo cáo hóa học: " Research Article Cross-Layer Admission Control Policy for CDMA Beamforming Systems" docx

... proposed CAC policy in conjunction with bandwidth reservation, changes the reserved area for the nonprioritized calls dynamically upon each new prioritized call arrival. Admission policy for proposed ... ’07), pp. 631–638, May 2007. [12] N. Nasser and S. Guizani, “Performance analysis of a cell- based call admission control scheme for QoS support in multimedia wireless network...

Ngày tải lên: 20/06/2014, 22:20

... Communications and Networking Volume 2007, Article ID 14562, 15 pages doi:10.1155/2007/14562 Research Article Cross-Layer Admission Control Policy for CDMA Beamforming Systems Wei Sheng and Steven ... novel admission control (AC) policy is proposed for the uplink of a cellular CDMA beamforming system. An approximated power control feasibility condition (PCFC)...

Ngày tải lên: 22/06/2014, 19:20

... floating point operation (flops). For a block fading channel, assume that the channel is not varying for a duration of W symbol vectors transmitted. Note that PVS is only performed once for a channel matrix. ... any conventional MIMO detector that works for a square MIMO channel for the detection of s Q . For convenience, denote by s k Q the detected symbol vector of s Q (by any me...

Ngày tải lên: 21/06/2014, 11:20

... complexity, “dependency” is the need for the sensing receiver to depend on another user, a base station or a master controller to perform sensing, and finally the “overall performance” is summarized in ... appropriate channel for CR operation (i.e., increases). Similarly, the physical implementation is mostly defined by the user given restrictions on cost, power, performance, and so forth....

Ngày tải lên: 21/06/2014, 20:20

... modules (e.g., antenna hardware, beamforming unit, and beamforming algorithms) in an independent manner. Custom-designed boards were developed to allow interface for the connector 2 EURASIP Journal ... generally used for research which is a vehicle for further development, for verification of algorithms, or ideas under real-world or real-time conditions. This results in the requi...

Ngày tải lên: 21/06/2014, 22:20

... total number of the encoded frames is 100 for each test sequence. Hadamard transform is enforced on these video frames. 8 ×8 transform is not chosen. As for the entropy coding, the CAVLC (context-based ... substitute for H.264 DC intraprediction mode with no need to code side information. However, prediction performance would be degraded if directly using previously reconstructed pixels...

Ngày tải lên: 21/06/2014, 22:20

... PERFORMANCE EVALUATION Radio network performance can be measured with multiple performance indicators. These can be used to measure the coverage, interference, and system performance. The performance ... slope. A measure for network interference level is also required for network layout performance analysis. In a CDMA Jarkko Itkonen et al. 5 Table 1: Selected antenna parameters for di...

Ngày tải lên: 21/06/2014, 23:20

... orientation, illumi- nation, zoom factor, and so forth. However, this fact that seems so obvious for most of people is not natural and easy for blind people. For them, taking a picture requires training (a) ... (especially for the text detection part). Nevertheless, the extension to another currency is quite straightforward and may be handled eas- ily. An all-currency recognizer has n...

Ngày tải lên: 22/06/2014, 19:20

... =∅; (4) for every n ∈ U P used n =  k∈S p n k ; if P used n = P n  U =  U + {n}; for every k ∈ S if p n k > 0,  S =  S + {k}; end for end if end for (5) U = U −  U; S = S −  S; (6) for ... performance of 3000 ft lines on the high-frequency band. Therefore, for 1500 ft lines, allocating all the remain- ing power over the high-frequency band is a smart strategy to enhance...

Ngày tải lên: 22/06/2014, 20:20

... systems Storage facility Financial institution Basic commercial vehicle Basic vehicle Payment Payment request Route request Route information Transit schedules Transit requests Vehicle status Traffic Incident notification Incident notification Route information Route information Priority request Figure 1: Article ... Wireless Communications and Networking Volume 2009, Article ID 267283, 1...

Ngày tải lên: 23/06/2014, 00:20