Authors:
Hong Min Bae
;
Chan Min Park
;
Shinil Suh
;
Rana Asif Rehman
and
Byung-Seo Kim
Affiliation:
Hongik University, Korea, Republic of
Keyword(s):
LR-WPAN, Interference, WLAN, Beacon.
Related
Ontology
Subjects/Areas/Topics:
Ad Hoc Networks
;
Connectivity and Communication
;
Data Communication Networking
;
Enterprise Information Systems
;
Internet of Things
;
Sensor Networks
;
Software Agents and Internet Computing
;
Software and Architectures
;
Technologies and Standards
;
Telecommunications
;
Wireless Information Networks
;
Wireless Network Protocols
Abstract:
LR-WPANs have two types of networks: beacon–enabled and non-beacon-enabled networks. In beacon-enabled LR-WPANs, the high reliability of Beacon frame transmission is required because all transmissions is controlled by the in-formation in the Beacon frame. However, the process to handle the case for the beacon-loss is not well-defined in the standard. In this paper, an enhanced protocol for the case when a Beacon frame is lost is proposed to improve network performances. The protocol allows a device not receiving a Beacon frame to keep transmit its pending frames only within the minimum period of CAP based on the previously received Beacon frame while the standard prevents the device from sending any pending frame during a whole superframe. By simulation and evaluations, the effectiveness of the proposed protocol on improving performances is proven.