Chapter 11
RF Planning and Optimization for LTE Networks Mohammad S. Sharawi Contents 11.1 Introduction ................................................................................. 400 11.2 LTE Architecture and the Physical Layer .......................................... 401 11.2.1 LTE Network Architecture .................................................. 401 11.3 Duplexing, Coding, and Modulation in LTE .................................... 403 11.3.1 LTE Physical Channels ....................................................... 408 11.3.2 Coding, Modulation, and Multiplexing ................................. 409 11.4 Cell Planning ................................................................................ 411 11.4.1 Coverage ........................................................................... 412 11.4.2 Cell IDs ............................................................................ 412 11.4.3 Cell Types ......................................................................... 415 11.4.4 Multiple-Input Multiple-Output Systems (MIMO) ................ 415 11.4.5 Diversity ............................................................................ 416 11.4.6 Antenna Arrays ................................................................... 417 11.5 Propagation Modeling .................................................................... 418 11.5.1 Propagation Environments .................................................. 418 11.5.2 Empirical/Statistical Path Loss Models .................................. 419 11.5.2.1 Okumura-Hata .................................................... 419 11.5.2.2 COST-231 .......................................................... 420 11.5.2.3 IMT-2000 ........................................................... 421 11.5.3 Deterministic Path Loss Models ........................................... 422 399
Saunder
July 16, 2010
14:14
K10322˙C011