Section 2(1)(lb) in Standards of Quality of Service of Basic Telephone Service (Wireline) and Cellular Mobile Telephone Service Regulations, 2009
(lb)[ "Network_QSD(s,t)" or "Network Quality of Service (QoS) DCR Spatial Distribution Measure" means the sth percentile value in the set of Cell_Q(t) values for all cells in a network during the assessment period; [Inserted by Notification No. F. No. 304-2/2016-QoS., dated 18.8.2017 (w.e.f. 20.3.2009).]