Handoff/resource managements based on PVCs and SVCs in broadband personal communication networks
Duk Kyung Kim, Dan Keun Sung · 2002
Current mobile communication systems with their fixed network infrastructures may be inadequate to accommodate future multimedia mobile services. We introduce an architecture of broadband personal communication networks (BPCN) as a future mobile communication network integrated with B-ISDN/ATM based infrastructures and propose two resource management schemes based on PVC and SVC concepts. We also propose a PVC based fast handoff mechanism for real time handoff calls which significantly reduces the control complexity in wired networks during a handoff call connection. We calculate the required PVC bandwidth in cellular and PCS environments when this handoff mechanism is adopted in the proposed resource management schemes. In the analysis, we consider the effects due to lack of both PVCs and wireless channels. Comparing our proposed method with the virtual connection tree (VCT) method proposed by Acampora (see IEEE J. Select. Areas Commun., vol.12, p.1365-75, 1994), we show that the proposed PVC based handoff mechanism is more bandwidth efficient while supporting fast handoff processings in wired networks.