Efficient TTI for 3G Multimedia Applications | Zendy

Costas Chaikalis | Zendy

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Efficient TTI for 3G Multimedia Applications

Author(s) -

Costas Chaikalis

Publication year - 2007

Publication title -

advances in multimedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.278

H-Index - 17

eISSN - 1687-5699

pISSN - 1687-5680

DOI - 10.1155/2007/95474

Subject(s) - interleaving , computer science , rayleigh fading , fading , bit error rate , real time computing , coding (social sciences) , block (permutation group theory) , channel (broadcasting) , computer network , mathematics , statistics , geometry , operating system

Time transmission interval (TTI) or outer block interleaving is an important task forthe implementation of UMTS turbo coding in flat Rayleigh fading environment. An efficient TTI choice can save computational complexity. However, different multimedia scenarios areinvestigated using the maximum UMTS frame length, and simulation results are presented for the four possible outer block interleaver configurations in the case of flat Rayleigh fading channel. It is shown that different operating environments require an appropriate TTI in terms of bit error rate (BER) performance for the following data rates: 28.8 kbps, 64 kbps, 144 kbps, 384 kbps, and 2 Mbps

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