DocumentCode :
304997
Title :
Structures and performance analysis of digital Nyquist FIR filters in indoor environment
Author :
Chang, KyungHi ; Kang, In ; Yeh, Choongil
Author_Institution :
Electron. & Telecommun. Res. Inst., Taejon, South Korea
Volume :
2
fYear :
1996
fDate :
22-25 Sep 1996
Firstpage :
683
Abstract :
Digital filters in communication link should be carefully designed, because small timing errors will cause serious performance degradation of the system. We reveal the details of the structures for (non-)multirate FIR filters, which are originally devised for the usage on the wireless communication link but are not limited to those specific applications. We also derive the general formulae of the numerical performance, under a given number representation format such as Q15, for the digital FIR filter. Unlike the case of FIR filters, the quantization of the states has the same amount of adverse effects to the quantization of coefficients in FIR filters. Finally, ASIC layouts and statistics of 1:4 interpolation FIR filter on a code division multiple access (CDMA) digital cellular communication link are included
Keywords :
CMOS digital integrated circuits; FIR filters; application specific integrated circuits; cellular radio; code division multiple access; digital filters; digital radio; indoor radio; interpolation; quantisation (signal); radio links; radiofrequency filters; 0.8 micron; ASIC layouts; CDMA; CMOS; Q15; code division multiple access; coefficients quantization; digital Nyquist FIR filters; digital cellular communication link; filter structures; indoor environment; interpolation FIR filter; multirate FIR filters; number representation format; numerical performance; performance analysis; state quantization; statistics; system performance degradation; timing errors; Application specific integrated circuits; Degradation; Digital filters; Finite impulse response filter; Multiaccess communication; Performance analysis; Quantization; Statistics; Timing; Wireless communication;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Spread Spectrum Techniques and Applications Proceedings, 1996., IEEE 4th International Symposium on
Conference_Location :
Mainz
Print_ISBN :
0-7803-3567-8
Type :
conf
DOI :
10.1109/ISSSTA.1996.563212
Filename :
563212
Link To Document :
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