Core Concepts
Analyzing the performance of multi-cell wideband IAB networks using stochastic geometry.
Abstract
Abstract:
Analyzes 3GPP-inspired multi-cell wideband single-hop backhaul millimeter-wave-in-band-full-duplex (IBFD)-integrated access and backhaul (IAB) networks.
Models wired-connected Next Generation NodeBs (gNBs) as Mat´ern hard-core point process to reduce costs.
Derives association probabilities and signal to interference plus noise ratio coverage using composite Gamma-Lognormal distribution.
Introduction:
Millimeter-wave communications for large bandwidth demand in B5G communications.
Hardware efficiency with fully-connected/subarray hybrid beamforming.
System Model:
IAB network topology with IAB donors, IAB-nodes, and User-equipment.
Spatial arrangement using Mat´ern hard-core point process for gNB deployment.
Propagation Model:
Blockage model for LoS and NLoS transmissions.
Path loss model considering gain for antenna elements.
Antenna Configuration and Beamforming Design:
Subarray-based hybrid beamforming at gNBs and IAB-nodes.
SINR Characterization:
Derivation of SINR expressions for backhaul and access links considering ZF precoders/combiners.
Performance Analysis:
Effective SINR calculation for standard OFDM system performance metrics.
Stats
この研究は、3GPPに触発されたマルチセルワイドバンドシングルホップバックホールミリ波インバンドフルデュプレックス(IBFD)統合アクセスおよびバックホール(IAB)ネットワークのパフォーマンスを分析します。