ABSTRACT

Contents 19.1 Introduction .............................................................................................510 19.2 Directional Beam Management in mmWave MAC Design ...................... 511

19.2.1 Exhaustive/Brute-Force Search ..................................................... 511 19.2.2 Two-Stage Beam Training in IEEE Standards ..............................512 19.2.3 Interactive Beam Training ............................................................513 19.2.4 Prioritized Sector Search Ordering ............................................... 515

19.3 Scheduling and Relay Selection for mmWave Systems .............................. 516 19.3.1 Scheduling .................................................................................... 516 19.3.2 Relay Selection in IEEE 802.11ad ................................................. 516

19.4 Video Streaming ...................................................................................... 517 19.4.1 Uncompressed Video Streaming Indoors ...................................... 517 19.4.2 Real-Time Video Streaming Outdoors .......................................... 517

19.5 Next-Generation Wireless Cellular Network MAC .................................. 519 19.6 Summary .................................................................................................521 References .........................................................................................................521

As millimeter-wave (mmWave) radio wave propagation is highly directional, new medium access control (MAC) mechanisms are required for directional mmWave wireless systems. Therefore, directional beam management is required in mmWave MAC. This chapter summarizes the beam management schemes in academic literatures and industry standards in mmWave systems. In addition, mmWave-specific scheduling and relaying features are discussed. Video streaming and cellular network-related MAC features are also introduced in this chapter.