Alpha Networks Proprietary and Confidential Information
9
2.2 General Requirements
2.2.1 IEEE 802.11b Section
#
Feature
Detailed Description
2.2.1.1
Standard
Ÿ
IEEE 802.11b
2.2.1.2
Radio and
Modulation
Schemes
Ÿ
DQPSK, DBPSK, DSSS, and CCK
2.2.1.3
Operating
Frequency
Ÿ
2400 ~ 2483.5MHz ISM band
2.2.1.4
Channel Numbers
Ÿ
11 channels for United States/ Canada/ Taiwan
13 channels for Europe Countries
14 channels for Japan
2.2.1.5
Data Rate
Ÿ
11, 5.5, 2, and 1Mbps
2.2.1.6
Media Access
Protocol
Ÿ
CSMA/CA with ACK
2.2.1.7
Transmitter Output
Power
Ÿ
802.11b: 24.90dBm
2.2.1.8
Receiver Sensitivity
Ÿ
Typical Sensitivity at Which Frame (1000-byte PDUs) Error Rate =
8%
Ÿ
Typical
–
84dBm for 11Mbps @ 8% PER
Ÿ
Typical
–
90dBm for 2Mbps @ 8% PER
2.2.2 IEEE 802.11g Section
#
Feature
Detailed Description
2.2.2.1
Standard
Ÿ
IEEE 802.11g
2.2.2.2
Radio and
Modulation Type
Ÿ
BPSK, QPSK, 16QAM, 64QAM with OFDM
2.2.2.3
Operating Frequency
Ÿ
2400 ~ 2483.5MHz ISM band
2.2.2.4
Channel Numbers
Ÿ
11 channels for United States/ Canada/ Taiwan
13 channels for Europe Countries
13 channels for Japan
2.2.2.5
Data Rate
Ÿ
6,9,12,18,24,36,48,54Mbps
2.2.2.6
Media Access
Protocol
Ÿ
CSMA/CA with ACK
2.2.2.7
Transmitter Output
Power
Ÿ
802.11g: 28.41dBm
2.2.2.8
Receiver Sensitivity
Ÿ
Typical Sensitivity at Which Frame (1000-byte PDUs) Error Rate =
10%
Ÿ
–
87dBm at 6Mbps
Ÿ
–
87dBm at 9Mbps
Ÿ
–
84dBm at 12Mbps
Ÿ
–
82dBm at 18Mbps
Ÿ
–
79dBm at 24Mbps
Ÿ
–
75dBm at 36Mbps
Ÿ
–
71dBm at 48Mbps
Ÿ
–
70dBm at 54Mbps
2.2.3 IEEE 802.11n Section
#
Feature
Detailed Description
2.2.3.1
Standard
Ÿ
IEEE 802.11n Draft 2.0
2.2.3.2
Radio and
Modulation Type
Ÿ
BPSK, QPSK, 16QAM, 64QAM with OFDM
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