1. Channel Number Definitions
Month 2002
doc.: IEEE /xxxr0
March 2004
Channel Number Definitions
IEEE sub-clause
Centre frequency (MHz) = x (n - 1) for n = 1, 2,
Centre frequency (MHz) = for n = 14
IEEE a-1999 sub-clause :
Centre frequency (MHz) = x n for n = 0, 1,
IEEE j/D1.3 sub-clause J :
Centre frequency (MHz) = (dot11ChannelStartingFrequency x 0.5) + 5 x n
for n = 0, 1, 2,
where
dot11ChannelStartingFrequency = 8000 for channels between 4.9 and 5GHz
dot11ChannelStartingFrequency = for channels above 5GHz
The value NULL for nch shall be reserved, and a channel center frequency of GHz shall be indicated by dot11ChannelStartingFrequency = and nch = 200.
Jennifer Bray (CSR)
John Doe, His Company

2. Frequencies corresponding to channel ranges
March 2004
Frequencies corresponding to channel ranges
Channel 0
centre frequency
Channel l79 centre frequency
Channel 180
centre
frequency
Channel 199
Channel 200
sub-clause for channels
2412
Not defined for channels above 14
sub-clause
for channels at and above 5GHz
5000
5895
5900
5995
6000
IEEE j/D1.3
for channels between 4.9 & 5GHz
Not defined below 4.9GHz
4900
4995
For channels above 5GHz
Channel 0 reserved
One channel can correspond to multiple centre frequencies depending on the value of dot11ChannelStartingFrequency
Jennifer Bray (CSR)

3. Handling of MLME-SCAN. request
March 2004
Handling of MLME-SCAN. request
Parameters of MLME-SCAN request are:
MLME-SCAN.request ( BSSType, BSSID, SSID, ScanType, ProbeDelay, ChannelList, MinChannelTime, MaxChannelTime, Country)
Where ChannelList could correspond to different frequency ranges, if applied with different values for dot11ChannelStartingFrequency.
Question:
Can the variable dot11ChannelStartingFrequency take a set of values or is it restricted to a single value?
i.e. Can a single MLME-SCAN request be issued for channels that have different values for dot11ChannelStartingFrequency?
Jennifer Bray (CSR)