Báo cáo hóa học: "Channel length assisted symbol synchronization for OFDM systems in multipath fading channels" potx

... drastic in crease in intersymbol interference (ISI) that rises with symbol timing error in multipath fading channels. Knowledge of the channel length information allows the symbol timing to be ... Access Channel length assisted symbol synchronization for OFDM systems in multipath fading channels Wen-Long Chin Abstract Despite the promising role of orthogona...

Ngày tải lên: 21/06/2014, 00:20

... CSIT in the form of individual signal-to-interference-plus-noise ra- tio (SINR) is proposed, achieving optimum capacity scaling for large number of users. A simple scheme for joint schedul- ing ... direction information (CDI) based on a predetermined codebook and a scalar metric with channel quality information (CQI) used to perform user scheduling. In this paper, we present a design...

Ngày tải lên: 22/06/2014, 06:20

... CSIT in the form of individual signal-to-interference-plus-noise ra- tio (SINR) is proposed, achieving optimum capacity scaling for large number of users. A simple scheme for joint schedul- ing ... scalar metrics for scheduling is provided in [17] for sys- tems with zero-forcing beamforming (ZFBF) transmission. In this paper, we present a design framework for scalar feedback...

Ngày tải lên: 22/06/2014, 19:20

... state information (CSI), training OFDM symbols or pilot symbols embedded in each OFDM symbol are utilized. Training OFDM symbols or equivalently OFDM preambles are transmitted at the beginning ... be easily adopted in the design of the disjoint pilot symbols for MIMO -OFDM systems. For MIMO -OFDM systems that utilizes pilot symbols, to reduce interference between the pi...

Ngày tải lên: 21/06/2014, 03:20

... through a clustering scheme, help reduce disk access time with proper patterns placement into disk blocks. A prototype system for selective dissemina- tion of broadcast news is presented in the paper ... special issue has assembled a small sample of pa- pers originating from well-known research groups. The con- tributing authors were instrumental in the completion of the special issue a...

Ngày tải lên: 21/06/2014, 22:20

... underlying cognitive domains in bipolar disorder. The SCIP seems to work properly when it is administered by psychiatrists who have participated in a relatively brief training exercise. In future investigations ... Spain) and Silvia Martínez (European Biometric Institute, Barcelona, Spain) for their support and help supporting the performing of this project. They also want to thank...

Ngày tải lên: 18/06/2014, 19:20

... Bluespiers [Worcestershire, UK] clinical software. Information was collated using Microsoft Excel and statistical analysis was performed using Minitab statistical software http:// www.minitab.com. A p value ... extramedullary guides in deter- mining coronal alignment of the tibial component [8]. In this study, we also found that the intramedullary guide was more reliable in determining...

Ngày tải lên: 20/06/2014, 07:20

... fixed points of a nonexpansive mapping on a real Hilbert space H: min x∈C 1 2 Ax, x−x, b, (1:7) where C is the fixed point set of a nonexpansive mapping T on H and b is a given point in H. In ... certain conditions. Using the viscosity approximation method, Moudafi [9] introduced the following iterative iterative process for nonexpan- sive mappings (see [10,11] for further develop...

Ngày tải lên: 20/06/2014, 22:20

... (Plas- malab, Oxford Instruments plc, Abingdon, Oxfordshire, UK) for 130 s. The post-etch residue was removed by immersing in NMP at 80°C for 30 min and abundantly rinsing in IPA and DI water. In some ... contaminants. For this reason, the issue of s urface cleaning becomes even more important when preparing the masks by EBL. The optimal cleaning process for EBL masks before loa...

Ngày tải lên: 20/06/2014, 23:20

... dose-dependent increase in signal intensity is seen in the T 1 measurements, a dose- dependent decrease in signal intensity is observed in the T 2 measurements. Figure 5. MR signal intensity for T 1 ... publishing your research in Nanoscale Research Letters go to http://www.nanoscalereslett.com/authors/instructions/ For information about other SpringerOpen publications go...

Ngày tải lên: 20/06/2014, 23:20