Carrier Current Line Systems Technologies in M2M Architecture for Wireless Communication

Table 4

Requirements and acceptances of the quality plan in indoor coverage.

Requirements and acceptances of the quality plan in indoor coverage
System	Area A	Signal strength (dBm)	Area B	Signal strength (dBm)	Area C	Signal strength (dBm)	Coverage (%)
DCS; LTE	Hall, shopping mall,; information service,; sell ticket area,; electric escalator, and; platform	≥−75	Parking area	≥−85	Elevator, control room,; TRA machine room toilet, office, and exit on tunnel	≥−90	95%
CDMA 2000		≥−80		Tunnel and LaBa area		≥−85	95%
WCDMA						≥−90	5%