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HelloSoft 802.11a/b/g
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This IP core offering is comprised of a hardware/software partitioned MAC and a full hardware PHY compliant to the IEEE 802.11a/b/g standard. In addition, it delivers the full implementation of both the IEEE 802.11i security standard and the IEEE 802.11e quality of service (QoS) standard. The HelloSoft 802.11a/b/g/e/i product is optimized to deliver a high-performance, cost-effective and low power solution.
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Key Features |
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| 802.11g PHY |
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Uses 2.4-GHz ISM band
Provides data rates of 6, 9, 12, 18, 24, 36, 48, & 54 Mbps
Uses 52 sub-carriers in a 20 MHz bandwidth
Uses FEC (convolutional coding) with coding rate of 1/2, 2/3, or 3/4
Supports BPSK, QPSK, 16-QAM & 64-QAM modulation schemes
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| 802.11b PHY |
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Uses 2.4-GHz ISM band
Provides data rates of 1, 2, 5.5 & 11 Mbps
Supports DBPSK, DQPSK in DSSS mode, DQPSK with CCK modulation
Supports long preamble and optional short preamble
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| 802.11a PHY |
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Uses 5-GHz Unlicensed National Information Structure (U-NII) bands
Provides data rates of 6, 9, 12, 18, 24, 36, 48, & 54 Mbps
Uses 52 sub-carriers in a 20 MHz bandwidth
Uses FEC (convolutional coding) with coding rate of 1/2, 2/3, or 3/4
Supports BPSK, QPSK, 16-QAM & 64-QAM modulation schemes
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| Integrated and tested with industry’s leading RF front ends
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| Optimized for low power consumption, low gate count, and lower MCPS
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| 802.11a/b/g MAC |
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Adhoc and Infrastructure Modes
Channel Access/Acquisition
Exponential Back-Off
Adhoc and Infrastructure Modes
Channel Access/Acquisition
RTS/CTS DATA/ACK Support
Fragmentation-Defragmentation
Beacon Synchronization
Power Save Mode
AMBA bus interface
802.11i - WEP, WPA (includes TKIP), and WPA2 w/ CCMP-AES
802.11e QoS - eDCA
Interoperable with Commercially available Access Points and Stations
Test Suites based on UNH & WiFi
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