Performance Modeling and Analysis of Bluetooth Networks: Polling, Scheduling, and Traffic Control
Jelena Mišić, Vojislav B. Mišić · Thammasat University Digital Collections · 2005
Introduction to Bluetooth Lower layers of the architecture: RF and baseband Higher layers of the architecture: LMP and L2CAP Data transport and link types Connection state and related modes Piconet formation: inquiry and paging Intra-piconet polling schemes Bluetooth communications and intra-piconet polling Classification of polling schemes On segmentation and reassembly policies Piconet model and performance indicators Analysis of polling schemes Performance of exhaustive service Performance of 1-limited service E-limited polling Access and downlink delay The impact of finite buffers Queue length distribution in imbedded Markov points Uplink queue length distribution Experimental results Admission control Admission control based on queue stability Admission control based on access delay Admission control based on cycle time Performance of TCP traffic System model and related work TCP window size Queuing analysis of the token bucket filter The outgoing queue at the baseband level Performance assessment Piconets with synchronous traffic Why the built-in SCO links are bad pSCO: an improved scheme for synchronous traffic Performance of the pSCO scheme Adaptive polling and predefined delay bounds Adaptive bandwidth allocation Adaptive polling with cycle control: the ACLS scheme ACLS performance Improving the performance of ACLS Scatternet formation Introduction BSF in single-hop networks BSF in multi-hop networks Conclusions Bridge topologies and scheduling Bridge topologies Approaches to bridge scheduling Bridge scheduling in practice The queuing model and traffic assumptions Rendezvous-based bridge scheduling MS bridge topology Packet delays: the MS bridge case Performance of the MS bridge SS bridge topology Packet delays: the SS bridge case Performance of the SS bridge Adaptive bridge scheduling Minimization of delays Adaptive management: the case of the MS bridge Adaptive management: the case of the SS bridge Walk-in bridge scheduling Scatternet model Service, vacation, and cycle times Calculating the packet delays Stability considerations Scalability Scatternet with finite buffers Scatternet model with finite buffers Uplink/downlink queue length distribution in Markov points Service, vacation, and cycle times Blocking probability and packet delays Simulation results