CWDP-305 Exam Dumps : Certified Wireless Design Professional

In Voice over WLAN (VoWLAN) deployments, it's crucial to differentiate between various types of voice-related traffic to ensure optimal Quality of Service (QoS).Real-Time Protocol (RTP) carries the actual voice payload, while control protocols like RTCP manage session control and quality feedback.Assigning distinct priority levels to these traffic types allows the network to prioritize voice payloads appropriately while still handling control traffic efficiently.

The Received Signal Strength Indicator (RSSI) is a measure of the power present in a received radio signal. While it is commonly used in WLAN location-based services due to its simplicity and the fact that it doesn't require additional hardware, RSSI-based positioning is susceptible to environmental factors like multipath propagation and signal attenuation, leading to lower accuracy.

In contrast:

Angle of Arrival (AoA) determines the direction of the incoming signal, offering better accuracy.

Time of Arrival (ToA) measures the time it takes for a signal to travel from the transmitter to the receiver, providing precise distance measurements.

Time Difference of Arrival (TDoA) calculates the difference in arrival times between multiple receivers, enhancing location accuracy.

In environments with low Signal-to-Noise Ratio (SNR), maintaining reliable communication becomes challenging due to increased potential for errors.Receive Diversityis a technique employed to enhance signal reception under such conditions.

Receive Diversity involves using multiple antennas at the receiver to capture the same signal.By combining these multiple received signals, the system can mitigate the effects of fading and interference, effectively improving the SNR.This enhancement leads to better throughput as the likelihood of retransmissions due to errors decreases.

Other options like 64-QAM require high SNR to function effectively, and A-MSDU frame aggregation is more beneficial in high SNR environments where larger frames can be transmitted without significant error.