5G mobile communications : concepts and technologies / Saad Z. Asif. - Boca Raton : CRC Press, c2019. - xvii, 335 p. : ill. ; 26 cm. Includes bibliographical references and index. ISBN: 9781498751551 (hbk.) Subjects--Topical Terms: Mobile communication systems. Dewey Class. No.: 621.38456 / ASI