Title :
Co-existence problem of TDMA and DS-CDMA systems-application of complex multirate filter bank
Author :
Hara, Shinsuke ; Matsuda, Takahiro ; Ishikura, Katsutoshi ; Morinaga, Norihiko
Author_Institution :
Graduate Sch. of Eng., Osaka City Univ., Japan
Abstract :
We discuss the co-existence problem of DS-CDMA and TDMA systems where both systems share the same frequency band to improve the spectral efficiency. We propose a complex multirate filter bank (CMRFB)-based adaptive notch filtering technique for the DS-CDMA system, which can observe the received signal with different frequency resolutions at the same time, and easily form the most suitable notch filter for rejecting the TDMA signal
Keywords :
access protocols; adaptive filters; adaptive signal processing; band-pass filters; code division multiple access; filtering theory; interference suppression; land mobile radio; notch filters; pseudonoise codes; radiofrequency interference; signal resolution; spread spectrum communication; time division multiple access; DS-CDMA systems; TDMA signal rejection; adaptive notch filtering; coexistence problem; complex multirate filter bank; frequency band sharing; frequency resolutions; interference suppression; mobile radio communications; received signal; spectral efficiency; Adaptive filters; Band pass filters; Filter bank; Filtering; Finite impulse response filter; Frequency conversion; Multiaccess communication; Narrowband; Spread spectrum communication; Time division multiple access;
Conference_Titel :
Global Telecommunications Conference, 1996. GLOBECOM '96. 'Communications: The Key to Global Prosperity
Conference_Location :
London
Print_ISBN :
0-7803-3336-5
DOI :
10.1109/GLOCOM.1996.587651
