I. INTRODUCTION

II. PUBLIC SAFETY NETWORKS

III. PUBLIC SAFETY SPECTRUM ALLOCATION IN THE UNITED STATES

IV. LTE-BASED FIRSTNET PSN

V. LMRS AND LTE CONVERGENCE

VI. MISSION-CRITICAL PTT OVER LTE

VII. COMPARISON OF LMRS AND LTE PSC

VIII. LMRS VS. LTE: SIMULATION RESULTS

IX. LMRS VS. LTE: SDR EXPERIMENTS

X. EMERGING TECHNOLOGIES FOR PSC

XI. PUBLIC SAFETY BROADBAND DEPLOYMENTS IN OTHER REGIONS OF THE WORLD

XII. ISSUES AND OPEN RESEARCH DIRECTIONS

XIII. CONCLUDING REMARKS