학술논문
The effect of blockwise transmission on higher-order modulation schemes for SC/FDE
Document Type
Conference
Source
The 5th International Symposium on Wireless Personal Multimedia Communications Wireless personal multimedia communications Wireless Personal Multimedia Communications, 2002. The 5th International Symposium on. 3:1323-1327 vol.3 2002
Subject
Language
ISSN
1347-6890
Abstract
This paper compares the performance of higher-order modulation schemes and coding rates for a single carrier system with frequency domain equalization (SC/FDE) and orthogonal frequency division multiplexing (OFDM). The effects of cyclic prefix and blockwise equalization for SC/FDE are investigated in detail. It is shown that blockwise processing leads to a deterioration in terms of BER behavior - especially for higher modulation formats such as 16 QAM or 64 QAM. The most reliable solution to this problem is coding. Applying a high-rate code compensates the investigated effect completely. The achieved BER behavior is compared with the results of an OFDM system.