Scheduler |
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| Downlink/Uplink Ratio |
Configure the schedule of downlink traffic to uplink traffic on the radio link. The first three options, 75/25, 50/50 and 30/70, allow the radio to operate in a fixed ratio on every frame. In other words, this ratio represents the amount of the total radio link’s aggregate throughput that will be used for downlink resources, and the amount of the total radio link’s aggregate throughput that will be used for uplink resources. The fourth option, Flexible, allows the radio to dynamically choose the amount of the total radio’s aggregate throughput that is used for downlink and uplink resources, every frame. Caution Setting this parameter to Flexible causes the radio to operate in unsynchronized mode. For all other settings, if the AP is in a cluster or is in range of another AP, then you must set this parameter on all other APs in the cluster and in range exactly the same. Otherwise, overlapping RF transmissions will introduce system interference. |
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Frame Size |
Configure the frame size for use when in TDD or TDD PTP mode. 2.5 ms frame size allows for co-location (Synchronization) with PMP 100 series of radios. It provides lower latency than 5 ms frame with approximately 10% lower throughput. Frame size is irrelevant when the Downlink/Uplink Ratio is set to Flexible. Please refer to the “ePMP and PMP 100 Co-location and Migration Recommendations Guide” for guidance on synchronizing ePMP and PMP 100. |
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Downlink Max Rate |
Configure the MCS (Modulation and Coding Scheme) rate beyond which the radio’s scheduler should not exceed when transmitting data traffic on the downlink. This is useful in situations where there is high variance and unpredictability in the interference present in the environment causing packet loss. Reducing the max rate to a lower MCS (than the default MCS 15) may help in these situations. Reducing the Downlink Max Rate will result in reduced sector capacity. Not available when AP is an ePTP Master or Standard WiFi. |
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Management Traffic Rate |
MCS0: The system is configured to use MCS0 rate for all management messages. This allows for improved link stability and range in high interference environment. MCS1: The system is configured to use MCS1 rate for all management messages. This allows for slightly higher sector throughput. This is the default setting. |