Received signal strength indication link like other metrics such as travel time measurement (time of arrival). Received signal strength indication In telecommunications, received signal strength indicator (RSSI) is a measurement of the power present in a received radio signal. RSSI is usually invisible to a user of a receiving device. However, because signal strength can vary greatly and affect functionality in wireless networking, IEEE 802.11 devices often make the measurement available to users. RSSI is often derived in the intermediate frequency (IF) stage before the IF amplifier. In zero-IF systems, it is derived in the baseband signal chain, before the baseband amplifier. RSSI output
Electronic fluency device i.e. a reduction in stuttering after the stutterer removes an electronic fluency device, while others have not. The effective of electronic fluency devices as measured by qualitative measures and ratings by stutterers have also been made. Studies show that some stutterers report improved fluency and confidence about speaking, and less severe stuttering and some carryover effects; the device is perceived as being particularly useful on the telephone. They reported that the device was difficult to use in noisy situations as the device amplifies all voices and sounds, and some acclimatization to the use of the device over time. Qualitative reports