Dissertation > Excellent graduate degree dissertation topics show

Research on Hspaapplication Performance of TD-SCDMA

Author: DingWei
Tutor: FuHaiYang
School: Nanjing University of Posts and Telecommunications
Course: Communication and Information System
Keywords: HSPA AMC HARQ Scheduling Beamforming DOA
CLC: TN929.533
Type: Master's thesis
Year: 2011
Downloads: 12
Quote: 0
Read: Download Dissertation

Abstract


As 3G technology is on large-scale commercial currently, its enhanced technology—HSPA will become the next technical hot spot of mobile communication. The initial proposed HSPA standard was based on WCDMA system. However, the HSPA standard based on TD-SCDMA, which is proposed by China is gradually mature on the support of Chinese government, it is necessary to discuss the key technologies and application performance of TD-SCDMA HSPA .Some key technologies introduced by TD-HSPA are presented and analized in the paper, such as AMC, HARQ, and scheduling technology based on NodeB. Besides, the performances of MCS and three kinds of HARQ are given by link-level simulation. On basis of the results of link-level simulation, the scheduling technology based on NodeB has been simulated in system-level, and the throughouts of the different scheduling algorithms are compared.In addition, smart antenna (SA) technology which has been introduced by TD-SCDMA system is discussed in the paper, as it will be applied in the second stage of W-HSPA as well. A beamforming method in base-band for smart antenna is proposed and analized, which is easier to be relized than the method in mid or high frequency. At last, the direction-of-arrival (DOA) estimation technologies of SA are discussed in the paper. The taditional MUSIC algorithm is introduced into CDMA system, and a new method MIDOA is proposed, which is simpler than MUSIC algorithm, being relized in base-band without steering all vectors for spectral searching. Also, it can overcome the phase error generated by down frequency conversion.

Related Dissertations

  1. Research on Scheduling of Whole-set Orders in JSP Based on Differential Evolution Algorithm,F273
  2. Research on Smart Antenna Technology Application in WiMAX System,TN821.91
  3. The Technology Research on Channel Coding and Channel Estimation in MC-CDMA Systems,TN929.533
  4. Data Aggregation Scheduling Algorithms in Wireless Sensor Networks,TP212.9
  5. Parametric Gain Scheduling Design Method of Attitude Control System for Supersonic Cruise Missiles,TJ765.23
  6. Construction and Performance Analysis for In-Vehicle FlexRay Backbone Network,TP273
  7. Design and Implementation of Automotive Can-Can Gateway,TP273
  8. Research of Scheduling Algorithm Based on Hybrid Adaptive Genetic Algorithm in Computing Grid,TP393.09
  9. Public Transport Optimal Dispatching Based on the Genetic-Newton Algorithm,TP18
  10. Several studies for scheduling problem,O157.5
  11. Mining resources based on genetic algorithm optimization model of,O224
  12. Research on the Improvements and Applications of Particle Swarm Optimization,TP18
  13. Production Planning Simulation of Pipe Processing Shop in Shipyard,U673.2
  14. Research and Development on Wireless Transmission-based Public Transport Vehicle Media Asset Management Systems,TP311.52
  15. Research of Packet Scheduling Algorithm of the Click Modular Software,TP393.05
  16. Research on Simultaneous Cyclic Scheduling and Optimization Poblems of the Refinery CSTR Processing,F273
  17. Optimization System of Material Access and Spatial Schedule in the Steel Industry,F426.31
  18. The Application of Linux Cluster System Based on the Load Balancing Algorithm in Webgis,TP393.05
  19. Research on the Marshalling-scheduling Model and Algorithms of Freight Trains Based on Game Theory,O225
  20. Second-order Circulation Statistics-based Array Signal Processing,TN911.7
  21. Based on the study of resource management in the cloud environment of credibility,TP315

CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Mobile Communications > Cellular mobile communications systems (mobile phones, mobile phone handsets ) > Code Division Multiple Access (CDMA) mobile communication
© 2012 www.DissertationTopic.Net  Mobile