Multicode multirate compact assignment of OVSF codes for QoS differentiated terminals

IEEE Transactions on Vehicular Technology

Volumn 54, Issue 6, 2005, Pages 2114-2124

  Yang, Yang ^a   Yum, Tak Shing Peter ^b  

^a UNIVERSITY COLLEGE LONDON   (United Kingdom)

^b CHINESE UNIVERSITY OF HONG KONG   (Hong Kong)

Author keywords

Dynamic channel assignment (DCA); Orthogonal variable spreading factor (OVSF) code; Quality of service (QoS); Universal Terrestrial radio access (UTRA)

Indexed keywords

BANDWIDTH; COMPUTER SIMULATION; PROBABILITY; QUALITY OF SERVICE; SIGNAL ENCODING; TELECOMMUNICATION TRAFFIC;

DYNAMIC CHANNEL ASSIGNMENT; MULTICODE MULTIRATE COMPACT ASSIGNMENT; ORTHOGONAL VARIABLE SPREADING FACTOR; UNIVERSAL TERRESTRIAL RADIO ACCESS;

MOBILE TELECOMMUNICATION SYSTEMS;

EID: 30744465932     PISSN: 00189545     EISSN: None     Source Type: Journal    
DOI: 10.1109/TVT.2005.858166     Document Type: Article

References (19)

1. F. Adachi, M. Sawahashi, and K. Okawa, "Tree-structured generation of orthogonal spreading codes with different lengths for forward link of DS-CDMA mobile radio," Electron. Lett., vol. 33, pp. 27-28, Jan. 1997.
2. Spreading and Modulation (FDD). 3GPP TS 25.213 (V6.0.0), Technical Specification (Release 6), Technical Specification Group Radio Access Network, 3GPP, Dec. 2003.
3. Spreading and Modulation (TDD). 3GPP TS 25.223 (V6.0.0), Technical Specification (Release 6), Technical Specification Group Radio Access Network, 3GPP, Dec. 2003.
4. R. Fantacci and S. Nannicini, "Multiple access protocol for integration of variable bit rate multimedia traffic in UMTS/IMT-2000 based on wideband CDMA," IEEE J. Sel. Areas Commun., vol. 18, no. 8, pp. 1441-1454, Aug. 2000.
5. T. Minn and K. Y. Siu, "Dynamic assignment of orthogonal variable-spreading-factor codes in W-CDMA," IEEE J. Sel. Areas Commun., vol. 18, no. 8, pp. 1429-1440, Aug. 2000.
6. R. Assarut, K. Kawanishi, U. Yamamoto, Y. Onozato, and M. Matsushita, "Region division assignment of orthogonal variable-spreading-factor codes in W-CDMA," in Proc. IEEE Vehicular Technology Conf., 2001, vol. 3, Atlantic City, NJ, Fall 2001, pp. 1884-1888.
7. W. T. Chen, Y. P. Wu, and H. C. Hsiao, "A novel code assignment scheme for W-CDMA systems," in Proc. IEEE Vehicular Technology Conf., 2001, vol. 2, Atlantic City, NJ, Fall 2001, pp. 1182-1186.
8. M. Dell'Amico, M. L. Merani, and F. Maffioli, "Efficient algorithms for the assignment of ovsf codes in wideband CDMA," in Proc. IEEE Int. Conf. Communications (ICC'02), vol. 5, New York, NY, 2002, pp. 3055-3060.
9. C. E. Fossa, Jr. and N. J. Davis, IV, "Dynamic code assignment improves channel utilization for bursty traffic in third-generation wireless networks," in Proc. IEEE Int. Conf. Communications (ICC'02), vol. 5, New York, NY, 2002, pp. 3061-3065.
10. J. S. Park and D. C. Lee, "On static and dynamic code assignment policies in the OVSF code tree for CDMA networks," in Proc. IEEE Military Communications Conf. (MILCOM'02), vol. 2, Anaheim, CA, Oct. 2002, pp. 785-789.
11. Y. C. Tseng and C. M. Chao, "Code placement and replacement strategies for wideband CDMA OVSF code tree management," IEEE Trans. Mobile Comput., vol. 1, no. 4, pp. 293-302, Oct./Dec. 2002.
12. A. N. Rouskas and D. N. Skoutas, "OVSF codes assignment and reassignment at the forward link of W-CDMA 3G systems," in Proc. IEEE Int. Symp. Personal, Indoor and Mobile Radio Communications (PIMRC'02), vol. 5, Lisboa, Portugal, Sep. 2002, pp. 2404-2408.
13. Y. Yang and T.-S. P. Yum, "Maximally flexible assignment of orthogonal variable spreading factor codes for multirate traffic," IEEE Trans. Wireless Commun., vol. 3, no. 3, pp. 781-792, May 2004.
14. Y. Sekine, K. Kawanishi, U. Yamamoto, and Y. Onozato, "Hybrid OVSF code assignment scheme in W-CDMA," in Proc. IEEE Pacific Rim Conf. Communications, Computers and Signal Processing (PACRIM' 03), vol. 1, Victoria, BC, Canada, Aug. 2003, pp. 384-387.
15. R. G. Cheng and P. Lin, "OVSF code channel assignment for IMT-2000," in Proc. IEEE Vehicular Technology Conf., 2000, vol. 3, Tokyo, Japan, Spring 2000, pp. 2188-2192.
16. C. M. Chao, Y. C. Tseng, and L. C. Wang, "Reducing internal and external fragmentations of OVSF codes in WCDMA systems with multiple codes," in Proc. IEEE Wireless Communications and Networking Conf. (WCNC' 03), vol. 1, New Orleans, LA, Mar. 2003, pp. 693-698.
17. F. Shueh and W. S. E. Chen, "Code assignment for IMT-2000 on forward radio link," in Proc. IEEE Vehicular Technology Conf., vol. 2, Spring 2001, pp. 906-910.
18. L. H. Yen and M. C. Tsou, "An OVSF code assignment scheme utilizing multiple rake combiners for W-CDMA," in Proc. IEEE Int. Conf. Communications (ICC' 03), vol. 5, Anchorage, AK, May 2003, pp. 3312-3316.
19. J. S. Kaufman, "Blocking in a shared resource environment," IEEE Trans. Commun., vol. COM-29, no. 10, pp. 1474-1481, Oct. 1981.