Improved Orthogonal Code Hopping Multiplexing Using Both Division and Hopping 


Vol. 33,  No. 3, pp. 277-285, Mar.  2008


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  Abstract

We previously proposed an Orthogonal Code Hopping Multiplexing (OCHM) scheme for statistical multiplexing on a synchronous downlink. OCHM enables a large number of users to share a limited number of code channels through statistical multiplexing. We here improve the performance of OCHM by prioritizing encoded symbols according to their importance using both the conventional code division and the previously proposed code hopping multiplexing schemes. Prioritization is useful for channel coding schemes with different levels of importance for encoded symbols such as turbo-codes. Scheme performance is evaluated by simulation in terms of the required Eb/N0 for a 1% block error rate.

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  Cite this article

[IEEE Style]

J. K. Kwon, S. Park, D. K. Sung, "Improved Orthogonal Code Hopping Multiplexing Using Both Division and Hopping," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 3, pp. 277-285, 2008. DOI: .

[ACM Style]

Jae Kyun Kwon, Suwon Park, and Dan Keun Sung. 2008. Improved Orthogonal Code Hopping Multiplexing Using Both Division and Hopping. The Journal of Korean Institute of Communications and Information Sciences, 33, 3, (2008), 277-285. DOI: .

[KICS Style]

Jae Kyun Kwon, Suwon Park, Dan Keun Sung, "Improved Orthogonal Code Hopping Multiplexing Using Both Division and Hopping," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 3, pp. 277-285, 3. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880