Title :
A wide-band direct conversion receiver for WCDMA applications
Author :
Parssinen, Aarno ; Jussila, Jari ; Ryynanen, Jussi ; Sumanen, L. ; Halonen, Kari
Author_Institution :
Helsinki Univ. of Technol., Espoo, Finland
Abstract :
Current digital mobile communications systems, such as GSM, are specified for voice-band applications. The channel bandwidths up to some hundreds of kHz limit data transfer to low bit rates, in applications such as electronic mail. The 3rd-generation global mobile system is in development under the International Telecommunications Union (ITU). It will be capable of transmitting various services from voice to multimedia with different quality requirements for single or multiple users in the same frequency band. Data rates from 8 to 384 kb/s in wide-area applications, and even 2 Mb/s indoors, will be possible. The flexibility comes from use of the wideband code division multiple access (WCDMA) scheme in the radio interface.
Keywords :
cellular radio; code division multiple access; digital radio; radio receivers; 2 Mbit/s; 8 to 384 kbit/s; GSM; International Telecommunications Union; WCDMA applications; bit rates; channel bandwidths; data transfer; digital mobile communications systems; electronic mail; third-generation global mobile system; voice-band applications; wide-area applications; wide-band direct conversion receiver; wideband code division multiple access; CMOS technology; Filters; Mobile handsets; Multiaccess communication; Radiofrequency amplifiers; Solid state circuits; Spread spectrum communication; Testing; Transceivers; Wideband;
Conference_Titel :
Solid-State Circuits Conference, 1999. Digest of Technical Papers. ISSCC. 1999 IEEE International
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-5126-6
DOI :
10.1109/ISSCC.1999.759201
