▁deployed . ▁He ath ▁also ▁recogn izes ▁that ▁ 5 G ▁cell ular ▁will ▁require ▁significant ▁adv anc ements ▁in ▁beam form ing ▁protocol s , ▁in ▁particular ▁with ▁respect ▁to ▁the ▁speed ▁in ▁which ▁beam form ing ▁is ▁trained , ▁to ▁make ▁ 5 G ▁cell ular ▁at ▁millimeter ▁waves ▁vi able . ▁He ▁has ▁been ▁a ▁strong ▁advoc ate ▁of ▁the ▁autom ot ive ▁application ▁for ▁ 5 G . ▁ ▁Books ▁ ▁R . ▁He ath , ▁Digital ▁W ire less ▁Communic ation : ▁Phys ical ▁L ayer ▁Ex pl oration ▁Lab ▁Using ▁the ▁N I ▁US R P , ▁National ▁Technology ▁and ▁Science ▁Press , ▁ 2 0 1 2 ▁T . ▁S . ▁R app ap ort , ▁R . ▁He ath , ▁R . ▁Daniel s , ▁J . ▁Mur d ock , ▁Mill imeter ▁W ave ▁W ire less ▁Communic ations , ▁Pr ent ice ▁Hall , ▁ 2 0 1 5 ▁V ut ha ▁Va , ▁Tak ay uki ▁Sh im iz u , ▁G aur av ▁B ans al , ▁and ▁R . ▁W . ▁He ath ▁Jr ., ▁Mill imeter ▁W ave ▁Ve h icular ▁Communic ations : ▁A ▁Survey ▁Found ations ▁and ▁Tr ends ▁in ▁Network ing : ▁Vol . ▁ 1 0 : ▁No . ▁ 1 , ▁pp ▁ 1 – 1 1 3 . ▁ ▁References ▁ ▁External ▁links ▁http :// www . prof he ath . org ▁ ▁Category : American ▁elect rical ▁engine ers ▁Category : L