Indoor Radio Planning A Practical Guide For 2g 3g And 4g 3rd Edition 2015pdf Gooner Jun 2026

Indoor networks must coexist with macro networks covering nearby streets.

: Import architectural floor plans into simulation software (such as iBwave) to place antennas virtually and run propagation algorithms (e.g., Keenan-Motley model).

Modern tinted windows and thick concrete provide significant isolation, making macro-to-indoor coverage difficult. Indoor networks must coexist with macro networks covering

Signals from distant macro towers can reach upper floors, causing interference and unnecessary handovers.

Relies on Frequency Division Multiple Access (FDMA) and Time Division Multiple Access (TDMA), requiring strict frequency reuse planning to avoid co-channel interference inside the building. 2. 3G (UMTS / WCDMA) Planning Primary Focus: Voice and early mobile broadband (HSPA). Key Metrics: Focuses on Signals from distant macro towers can reach upper

Engineers must first define the scope of the project based on building metrics and user needs:

Active systems convert RF signals into optical or digital formats at a central master unit, transporting them over fiber-optic or Ethernet cables to Remote Radio Units (RRUs) installed throughout the building. The RRUs then convert the signals back to RF for transmission via localized antennas. 3G (UMTS / WCDMA) Planning Primary Focus: Voice

Conduct rigorous post-launch walk tests to validate that empirical coverage matches the simulated software models. Summary of Core Concepts Technology Primary Metric Core Challenge Key Antenna Strategy 2G (GSM) RSSI (Signal Strength) Building Penetration Single-SISO Passive DAS 3G (UMTS) Ec/Io (Signal Quality) Handover & Capacity Fading Sectorization & Active Coax 4G (LTE) SINR & Throughput Co-Channel Interference Dual-Polarized 2x2 MIMO

Combines both to balance performance and cost. 3. Advanced Planning & Metrics