... 2,07% 0,13 0, 39% 0,06 0,18% Average ρ=1 0,10 0, 19% 0,02 0,05% 0,01 0,03% Table 1. Travelling times along pipes for different sensors Emerging Communications for Wireless Sensor Networks2 04. ... system. Wireless Sensor Networks Applications via High Altitude Systems 13 Wireless Sensor Networks Applications via High Altitude SystemsZhe Yang and Abbas MohammedX Wireless Sensor Networks ... Platform. IEEE Transactions on Wireless Communications, 2, No. 3, 484- 492 . Tozer, T. C., & Grace, D. (2001). High-Altitude Platforms for Wireless Communications. IEE Electronics and Communications...