, 123-124, 186 Index values, 155-167 SBC Communications and, 88- Vanguard Cellular Systems, Inc., I45 94, 95, IOO, IOI Verizon, 248 Warner, Rawleigh, 61 viewgraphs, 108 Weill, Sandy, I62 Vivendi, 233 Welch, Jack, 2, 44-45, 69,78 Voices for Choices, 173-175 Western Electric, 32, 60 von Auw, Alvin, I, 263-264 Whitacre, Ed, 88-94 Vrandenberg, George, 170-171 Wildmon, Donald, 165 vulture funds, 200-201 Will, George, 4I WorldCom, II4, 123 Wachtell Lipton, 15, 32, 98, I2I, 123, Wyman, Tom, 5I, 76 190, I92, 235-237, 240 Yankee Group, 135-136, I37 Wall Street Project, 162-163, 242 Walter, John, 69-86, 224, 268 Zeglis, John, 62, 9I, 95-97 communication style of, I3-14, arrival of Mike Armstrong and, 80-81, 85-86, 89, 99-IOI, 25I, II-I3 arrival of John Walter and, 70-72 described, 7I-73, 78, 8I-82 as chief counsel, 3, 32, 56, IO7 fires Joe Nacchio, 86-88, IOO joins AT&T, 3-4 joins AT&T, 5, 21, 22, 25, 70-77, as president of AT&T, I2, I3, I9- 128, 25I 20, IO5, IIO, 118, I23, I32, I39- leaves AT&T, 5, 14-17, 94-98, 128 145, 186, 208, 217 Signals and Communication Technology Mohammad Abdul Matin Editor A Glimpse Beyond 5G in Wireless Networks Springer Signals and Communication Technology Series Editors Emre Celebi, Department of Computer Science, University of Central Arkansas, Conway, AR, USA Jingdong Chen, Northwestern Polytechnical University, Xi'an, China E. S. Gopi, Department of Electronics and Communication Engineering, National Institute of Technology, Tiruchirappalli, Tamil Nadu, India Amy Neustein, Linguistic Technology Systems, Fort Lee, NJ, USA H. Vincent Poor, Department of Electrical Engineering, Princeton University, Princeton, NJ, USA Antonio Liotta, University of Bolzano, Bolzano, Italy Mario Di Mauro, University of Salerno, Salerno, Italy This series is devoted to fundamentals and applications of modern methods of signal processing and cutting-edge communication technologies. The main topics are information and signal theory, acoustical signal processing, image processing and multimedia systems, mobile and w