Analysis and Enhancement of IEEE 802.15.4e DSME Beacon Scheduling Model

Table 1

Tree-based beacon scheduling.

Title (author)	Characteristics
Cho and An [5]	Proposes a clustering approach based on group management using transmission power control
TG4b [6]	Proposes two approaches: (i) using a dedicated beacon-only period in a superframe; (ii) compensating beacon offset between parent and child
Koubâa et al. [7]	Proposes time division beacon scheduling based on the neighbors' location and connection information
Ahn et al. [8]	Proposes a slot allocation method coupled with the Cskip address allocation scheme introduced in ZigBee
Yeh et al. [9]	Utilizes separate uplink and downlink slots
Yen et al. [10]	Proposes stochastic beacon scheduling in order to reuse beacon slots in the network
Chen et al. [11]	Proposes application specific beacon scheduling for sensor networks; (i) controls the beacon interval adaptively according to varying the target detection level