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1 Value-added Services
2 Location-Based Services
3 Federal Communication Commission
4 Non-Line of Sight
5 Received Signal Strength
6 Global System for Mobile
7 Base Transceiver Station
8 Mobile Station
9 Location Measurement Unit
10 Global Positioning System
11.Channel Impulse Response
12.Network Measurement Report
14.Broadcast Control Channel
15.Periodic Location Update
19 Cell Identifier
20 Nearest Neighbor
21 K-Nearest Neighbor
22 Weighted K-Nearest Neighbor
23 Cumulative Distribution Function
24 Trimmed Average Estimate
25 Weighted Average Estimate
26 Maximum Likelihood Estimate
27 Intelligent Ray Tracing
28 Serving Mobile Location Center