TP-Link TL-MR6400 - 5 Test Type and Test Results; Transmitter Parameters; Adaptivity (Adptive Equipment Using Modulations Other than FHSS)

Report No.: BL-SZ1770154-601
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5 Test Type and Test Results
5.1 Transmitter Parameters
5.1.1 Adaptivity (adptive equipment using modulations other than FHSS)
5.1.1.1 Limit
Requirement
Operational Mode
Non-LBT
based
Detect and
Avoid
LBT based Detect and Avoid
Frame Based
Equipment
Load Based
Equipment
(CCA using
'energy detect')
Load Based
Equipment
(CCA not using any
of the mechanisms
referenced asNote
2
)
Minimum Clear Channel
Assessment (CCA) Time
NA 18 us (see Note
1
)(seeNote
2
)18us(seeNote
1
)
Maximum Channel
Occupancy (COT) Time
40ms 1msto10ms (seeNote
2
)13ms
Minimum Idle Period 5% of COT 5% of COT (see Note
2
)NA
Extended CCA check NA NA (see Note
2
)
a random duration in
the range between
18 μs and at least
160 μs
Short Control Signalling
Transmissions
Maximum duty cycle of 10 % within an observation period of 50 ms
(see Note
3
)
Note
1
: The CCA time used by the equipment shall be declared by the supplier.
Note
2
: Load Based Equipment may implement an LBT based spectrum sharing mechanism based
on the Clear Channel Assessment (CCA) mode using energy detect, as described in IEEE
802.11™-2012 [i.3] clause 9, clause 10, clause 16, clause 17, clause 19 and clause 20, or in IEEE
802.15.4™-2011 [i.4], clause 4, clause 5 and clause 8.
Note
3
: Adaptive equipment may or may not have Short Control Signaling Transmissions.
Interference threshold level:
Maximum transmit power (P
H
)
EIRP dBm
Threshold level (TL)
20 -70 dBm / MHz
Note
1
: TL = -70 dBm/MHz + 10 × log10 (100 mW / Pout) (Pout in mW e.i.r.p.).
Note
2
: transmitter the CCA threshold level (TL) shall be equal or lower than -70 dBm/MHz at
theinputtothereceiver(assuminga0dBireceiveantenna).
Unwanted Signal parameters
Wanted signal mean power
from companion device
Unwanted signal
frequency
(MHz)
Unwanted CW signal
power (dBm)
sufficient to maintain the link
(see Note
2
)
2 395 or 2 488,5
(see Note
1
)
-35
(see Note
3
)
Note
1
: The highest frequency shall be used for testing operating channels within the range
2400 MHz to 2442 MHz, while the lowest frequency shall be used for testing operating channels