OVSF CODE ASSIGNMENT SCHEMES AT THE FORWARD LINK OF WCDMA SYSTEMS

D.S. Saini and N. Sharma

References

  1. [1] E. Dahimnan, B. Gudmundson, M. Nilsson, & J. Skold, UMTS/IMT-2000 based on wideband CDMA, IEEE Communication Magazine, 36, 1998, 70–80.
  2. [2] F. Adachi, M. Sawahashi, & H. Suda, Wideband CDMA for next generation mobile communication systems, IEEE Communication Magazine, 36, 1998, 56–69.
  3. [3] A.J. Veterbi, Principles of spread spectrum communications (Addison Wesley: Massachusetts, 1995).
  4. [4] F. Adachi, M. Sawahashi, & K. Okawa, Tree structured generation of orthogonal spreading codes with different lengths for forward link of DS-CDMA mobile radio, IEEE Electronic Letters, 33, 1997, 27–28.
  5. [5] C.M. Chao, Y.C. Tseng, & L.C. Wang, Reducing internal and external fragmentation of OVSF codes in WCDMA systems with multiple codes, IEEE Transactions on Wireless Communication, 4, 2005, 1516–1526.
  6. [6] Y.C. Tseng, C.M. Chao, & S.L. Wu, Code placement and replacement strategies for wideband CDMA OVSF code tree management, Proceedings of IEEE GLOBECOM, 1, 2001, 562–566.
  7. [7] A.N. Rouskas & D.N. Skoutas, Management of channelization codes at the forward link of WCDMA, IEEE Communication Letters, 9(8), 2005, 679–681.
  8. [8] J.S. Park & D.C. Lee, Enhanced fixed and dynamic code assignment policies for OVSF-CDMA systems, Proc. of ICWN 2003, Las Vegas, 2003, 620.
  9. [9] T. Minn & K.-Y. Siu, Dynamic assignment of orthogonal variable-spreading-factor codes in W-CDMA, IEEE Journal on Selected Areas in Communications, 18(8), 2000, 1429–1440.
  10. [10] J.-S. Park & D.C. Lee, On static and dynamic code assignment policies in the OVSF code tree for CDMA networks, Proc. of MILCOM 2002, California, 2002, 785–789.
  11. [11] M.D. Amico, F. Maffoli, & M.L. Merani, A tree partitioning dynamic policy for OVSF codes assignment in wideband CDMA, IEEE Transactions on Wireless Communication, 3(4), 2004, 1013–1017.
  12. [12] M.-X. Chen & R.-H. Hwang, Efficient OVSF codes assignment strategy and management architecture in wideband CDMA, Proc. of the BROADNETS 2004, California, 2004, 548–557.
  13. [13] Y. Yang & T.-S.P. Yum, Multicode multirate compact assignment of OVSF codes for QoS differentiated terminals, IEEE Transactions on Vehicular Technology, 54(6), 2005, 2114–2124.
  14. [14] D.S. Saini & S.V. Bhooshan, Assignment and reassignment schemes for OVSF codes in WCDMA, Proc. of IWCMC 2006, Vancouver, 2006, 497–502.

Important Links:

Go Back