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wifi: Fix condition in WifiPpdu::DoesOverlapChannel

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This commit is contained in:
Stefano Avallone
2022-08-07 23:07:46 +02:00
parent 87fb2ddcbf
commit 4cbde630e2
1 changed files with 30 additions and 1 deletions
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31
src/wifi/model/wifi-ppdu.cc
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@@ -115,7 +115,36 @@ WifiPpdu::DoesOverlapChannel (uint16_t minFreq, uint16_t maxFreq) const
uint16_t txChannelWidth = GetTxVector ().GetChannelWidth ();
uint16_t minTxFreq = m_txCenterFreq - txChannelWidth / 2;
uint16_t maxTxFreq = m_txCenterFreq + txChannelWidth / 2;
if (minTxFreq > minFreq || maxTxFreq < maxFreq)
/**
* The PPDU does not overlap the channel in two cases.
*
* First non-overlapping case:
*
* ┌─────────┐
* PPDU │ Nominal │
* │ Band │
* └─────────┘
* minTxFreq maxTxFreq
*
* minFreq maxFreq
* ┌──────────────────────────────┐
* │ Channel │
* └──────────────────────────────┘
*
* Second non-overlapping case:
*
* ┌─────────┐
* PPDU │ Nominal │
* │ Band │
* └─────────┘
* minTxFreq maxTxFreq
*
* minFreq maxFreq
* ┌──────────────────────────────┐
* │ Channel │
* └──────────────────────────────┘
*/
if (minTxFreq >= maxFreq || maxTxFreq <= minFreq)
{
return false;
}