... Space-Frequency Preequalization Techniques for TDD MC -CDMA Mobile Radio Systems Ad ˜ ao Silva Instituto de Telecomunicac¸ ˜ oes, Universidade de Aveiro, Campus Universit ´ ario de Santiago, 381 0-1 93 ... CZF. For the single-antenna case we have the same number of degrees of freedom for both algorithms, but for CZF-EGC case we just perform the am- plitude equalization at tra...
Ngày tải lên: 23/06/2014, 00:20
... Meritori- ous Award on Radio from the Association of Radio Industries and Businesses (ARIB), Japan, in 1998. He is a member of the IEEE and URSI. Subband Adaptive Array for DS -CDMA Mobile Radio ... novel scheme of adaptive array for direct-sequence CDMA (DS -CDMA) using sub- band signal processing to make use of CDMA and SBAA advantages. The subband structure of the sc...
Ngày tải lên: 23/06/2014, 01:20
Báo cáo hóa học: " Cross-layer based adaptive wireless traffic control for per-flow and per-station fairness" ppt
... C TCP UDP TCP UDP TCP UDP E-1 - 1 Down, 1 Up - 1 Down - 1 Down 0.9910 E-2 1 Down, 1 Up - 1 Up - 1 Up - 0.9919 E-3 1 Up 1 Down - 1 Down - 1 Down 0.9980 E-4 1 Down 1 Up - 1 Up - 1 Up 0.9949 Visoottiviseth ... doi:10.1049/iet-com:20060231 16. IEEE Std 802.11b-1999 (R2003), Supplement to IEEE Standard for Information technology-Telecommunications and...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Stochastic Power Control for Time-Varying Long-Term Fading Wireless Networks" potx
... and N. Menemenlis, “General non- stationar y models for short-term and long-term fading chan- nels,” in Proceedings of IEEE/ AFCEA Conference on Information Systems for Enhanced Public Safety and ... C. D. Charalambous, and R. P. Mal- ham ´ e, Power control in wireless systems: a stochastic control formulation,” in Proceedings of the American Control Confer- ence, vol. 2, pp. 7...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: "System-Level Performance of Antenna Arrays in CDMA-Based Cellular Mobile Radio Systems Andreas Czylwik" pptx
... power to be adjusted by power control [27, 28, 29]. In the present paper, we neglect the effect of power control and therefore as- sume ˇ P k = ˇ P for k = 0, , K − 1. Since we focus on CDMA systems, ... main parameters for transmit beamforming and also gives a first insight on how to perform downlink beamforming by uti- lizing long-term uplink spatial mobile radio channel...
Ngày tải lên: 23/06/2014, 01:20
cellular mobile radio systems designing systems for capacity optimization
... TECHNIQUES Cellular Mobile Radio Systems: Designing Systems for Capacity Optimization Husni Hammuda Copyright © 1997 by John Wiley & Sons Ltd Print ISBN 0-4 7 1-9 564 1-4 Electronic ISBN 0-4 7 0-8 425 4-9 coherent ... efficiency measure Channel/MHz is suitable for point-to-point radio communications or one cell mobile radio systems, it is not adequate for...
Ngày tải lên: 03/07/2014, 21:45
Báo cáo hóa học: " Adaptive Rate-Scheduling with Reactive Delay Control for Next Generation CDMA Wireless Mobile Systems" pptx
... interference-limited, sub- ject to the variation of signal-to-interference ratios (SIRs), and bandwidth demands of users with limited power con- straints. CDMA system loading factor can be derived to de- note ... in [8, 9] dispense with delay-bandwidth cou- pling in a time-division-duplex (TDD) CDMA system by uti- lizing packet-prioritization that arrange transmissions in or- der to exp...
Ngày tải lên: 22/06/2014, 22:20
Báo cáo hóa học: " Autonomous Power Control MAC Protocol for Mobile Ad Hoc Networks" doc
... The focus of this pa- per is on the design of power control MAC protocol for MANETs. A brief introduction of IEEE 802.11 MAC proto- colandbasicpowercontrolMACprotocolforMANETsmo- tivated us to propose ... particular suitable for the applications in MANETs. ACKNOWLEDGMENTS TheworkreportedinthispaperwassupportedpartlybyRe- search Grants NSC 9 4-2 213-E-11 0-0 14 and NSC 9 4-2 21...
Ngày tải lên: 22/06/2014, 22:20
Báo cáo hóa học: " Learning Rate Updating Methods Applied to Adaptive Fuzzy Equalizers for Broadband Power Line " pot
... fuzzy equalizers called fuzzy- S-LMS-DRD, fuzzy- S-LMS-LLE, fuzzy- S-DFE-DRD, fuzzy- S-DFE-LLE, fuzzy- NS-LMS-DRD, fuzzy- NS-LMS-LLE, fuzzy- NS-DFE-DRD, and fuzzy- NS- DFE-LLE are compared, under severe noise ... easily. 10 1 10 0 10 −1 012345678910 Iteration MSE Fuzzy- S-LMS Fuzzy- NS-LMS Fuzzy- NS-LMS-DRD Fuzzy- S-LMS-DRD Fuzzy- S-LMS-LLE Fuzzy- NS-LMS-LLE ×10 4 Figure 5: FF...
Ngày tải lên: 23/06/2014, 01:20
Novel design of a compacted micro-structured air-breathing PEM fuel cell as a power source for mobile phones
... Mass/electron co-transports in an air- breathing cathode of a PEM fuel cell. J. Power Sources 2006, 160(1), 1 8-2 6. [5] Maher A.R. Sadiq Al-Baghdadi. Performance comparison between airflow-channel and ... coefficient + H D 4.5e-9 sm / 2 Fixed-charge concentration f c 1200 3 / mmole Fixed-site charge f z -1 - Electro-osmotic drag coefficient d n 2.5 - Ta...
Ngày tải lên: 05/09/2013, 14:58