Title :
Large-scale CFO-SS (high-speed, long-range 2.4 GHz wireless LAN) network for educational Internet access
Author :
Fuke, N. ; Warabino, T. ; Ishikawa, Hiroshi ; Shinonaga, H. ; Mizuike, T.
Author_Institution :
Wireless Commun. Lab., KDD Kamifukuoka R&D Labs., Saitama
Abstract :
A 2.4 GHz wireless LAN network interconnecting schools and educational facilities is constructed employing CFO-SS (carrier frequency offset-spread spectrum) systems. The CFO-SS system provides high-speed (10 or 18 Mbit/s) and long-range transmission without reducing the transmission speed. Parameters of CFO-SS links such as radio channels, antenna polarizations and access modes are selected by considering the CFO-SS network architecture. Changing a radio channel by a network management software, CFO-SS keeps the link quality at a predetermined level under interference from other existing systems using the 2.4 GHz band. The throughput performance is improved with a window control protocol of CFO-SS.
Keywords :
Internet; educational computing; electromagnetic wave polarisation; protocols; radio links; radiofrequency interference; spread spectrum communication; wireless LAN; 10 Mbit/s; 18 Mbit/s; 2.4 GHz; CFO-SS links; UHF; access modes; antenna polarizations; carrier frequency offset-spread spectrum; educational Internet access; educational facilities; high-speed wireless LAN; interference; large-scale CFO-SS network architecture; link quality; long-range transmission; long-range wireless LAN; network management software; radio channels; schools; throughput performance; transmission speed; window control protocol; Computer architecture; Educational institutions; Frequency; IP networks; LAN interconnection; Large-scale systems; Polarization; Quality management; Radio spectrum management; Wireless LAN;
Conference_Titel :
Wireless Communications and Networking Conference, 2002. WCNC2002. 2002 IEEE
Print_ISBN :
0-7803-7376-6
DOI :
10.1109/WCNC.2002.993344
