 transform (IDFT) Iceni Mobile, 230 see also IFFT, 39, 50-52 iCloud, 199, 210 Inverse Fast Hadamard Transform (IFHT) iClouds, 199 see also IFHT, 60, 65, 68-9 ICO, 327 IP, 6, 208, 240, 303, 335, 341-5, 359, 373, ICT, 272, 367 iDEN, 306, 309-11, 313-14 iPad, 91-2, 134-6, 171, 176, 178, 199, 296 IDFT synthesis equation, 50 iPhone, 91-2, 108, 121-2, 132, 135-6, 142, IEEE, 290, 335 171, 176, 199, 363 IEEE P1902 Standard, 359 iPod, 171, 199, 205, 217, 226 IF (intermediate frequency), 147, 312 IPQOS, 208 IFFT (inverse fast Fourier transform), 68 IPR, 385-6 IFHT (inverse fast Hadamard transform), IPTV, 273, 295 Ipv4, 336, 341-3, 359 iGame, 210 Ipv6, 336, 341-3, 359 iMac, 176 Iridium, 129, 315-17, 327 Image functionality, 198 ISDBT, 281-2 Image noise, 212 ISI, 39, 44-5 Index ISIM, 208 Lenovo, 140 ISM (Industrial Scientific Medical), 359 Lens, 186, 192-3, 195, 197, 212 ISO standards, 192, 195, 207, 357 LEO (low earth orbit) satellites, 317, 321, ITU standards, 30, 277, 329 ITU frequency bands, 329 LG, 176 iTunes, 131 Light emitting diodes (LED) see LED, 27 Light Squared, 128, 299, 318-20, 324 Jacquet, Phillippe, 340 Light waves, 211 Javan, Ali, 25 Linear and non linear distortions, 212 Jenkins, Charles Francis, 167 Linearity, 111, 113, 146, 154, 161 Jiabao, President Wen, 231 Link budget, 77 Jitterbug, 129 LinkedIn, 222 Johnson, Amy, 363 Linux systems, 177 JPEG, 182, 189, 191, 195-6, 222-3, 295, Lip microphone, 131 Liquid crystal displays see LCD, 27 Juniper Networks, 200 Lithium ion batteries, 140 Livingston, Ian, 273 Ka band, 329 LNA, 148 Kao, Charles, 25 Local loop unbundling (LLU), 271 Kenwood, 305 Long-term evolution (LTE), 55-6, 69-71, Kepler, Johannes, 213 81-6, 88-9 Kihong Park Willinger, 338 Long wave and short wave systems, 276 Kilby, Jack, 23, 171 Loss of efficiency, 119 Kindle, 137-8 Low-earth orbit see LEO, 321 Kodak, 188-9, 197-8 Low-noise amplifier (LNA), 118 KoreTelematics, 348 LPDDR, 178 KPN, 3 LRAN, 260 LTE, 44-5, 49, 52, 54-5, 70-71, 80-81, 83, L band, 299, 318, 321, 324, 326, 329 85-6, 101, 106, 108, 11