PCS = “Pretty Crazy Situation”?
PCS = “Pretty Crazy Situation”?
Proposal
CDMA (IS-95)
PCS1900
IS-54
Omnipoint
WACS
DECT
PHS
5 MHz CDMA
Mobility
High
High
High
High/Low
Low
Low
Low
Low
Supporters
Qualcomm, AT&T, Motorola, ALPS,
GSIC, Samsung, Sony, US West, Sprint
Bell Atlantic, Time Warner
Pac Bell, Nokia, MCI, Siemens, Kycom
AT&T, McCaw
Omnipoint, Rockwell
Bellcore, Motorola, Panasonic, US
West, Sprint, Bell Atlantic, Time Warner
Ericsson
NEC, Panasonic, Hitachi, Toshiba, PCSI
Interdigital, Oki
- PCS Primeco (Nynex/Bell Atlantic/US West/Airtouch): CDMA
- Wirelessco (Sprint, Comcast, Cox, TCI): CDMA
- AT&T Wireless: TDMA
- Other RBOCs (e.g., PBMS): PCS 1900 (Upbanded GSM)