Title :
Dynamic channel assignment using sub-carrier multiplexing techniques in microcellular systems
Author :
Ichikawa, Hirofumi ; Murase, Takehiro ; Morita, Kozo
Author_Institution :
NTT Radio Commun. Syst. Lab., Kanagawa, Japan
Abstract :
The design concept of a microcellular radio system using a TDMA/FDMA cross-connect switch with a dynamical channel assignment function and subcarrier multiplexing (SCM) transmission is presented. The cross-connect switch, which can remarkably increase system capacity, eases fluctuations in traffic. The SCM transmission makes it possible to construct simple and flexible radio stations easily. The configuration of the system and basic performance of the cross-connect switch for TDMA signals are presented. A method to expand the SCM transmission dynamic range is described
Keywords :
cellular radio; electronic switching systems; frequency allocation; frequency division multiple access; subcarrier multiplexing; time division multiple access; SCM transmission dynamic range; TDMA/FDMA cross-connect switch; dynamical channel assignment function; microcellular radio system; radio stations; subcarrier multiplexing; system capacity; traffic fluctuations; Base stations; Communication switching; Dynamic range; Frequency conversion; Frequency modulation; Intensity modulation; Microcell networks; Optical switches; Radio frequency; Time division multiple access;
Conference_Titel :
Vehicular Technology Conference, 1992, IEEE 42nd
Conference_Location :
Denver, CO
Print_ISBN :
0-7803-0673-2
DOI :
10.1109/VETEC.1992.245313
