Adaptive low-bitrate streaming over IEEE 802.15.4 low rate wireless personal area networks (LR-WPAN) based on link quality indication

2006 ◽  
Author(s):  
Sachin Deshpande
Keyword(s):  
Ieee 802.15.4 ◽  
Link Quality ◽  
Personal Area Networks ◽  
Wireless Personal Area Networks ◽  
Low Rate

Home networking with IEEE 802.15.4: a developing standard for low-rate wireless personal area networks

2002 ◽  
Vol 40 (8) ◽  
pp. 70-77 ◽  
Author(s):  
E. Callaway ◽  
P. Gorday ◽  
L. Hester ◽  
J.A. Gutierrez ◽  
M. Naeve ◽  
...  
Keyword(s):  
Ieee 802.15.4 ◽  
Personal Area Networks ◽  
Wireless Personal Area Networks ◽  
Home Networking ◽  
Low Rate

An Improvement of Slotted CSMA/Ca in IEEE 802.15.4

2014 ◽  
Vol 926-930 ◽  
pp. 2767-2770
Author(s):  
Jin Hong Wang ◽  
Li Jun Sun
Keyword(s):  
Loss Rate ◽  
Ieee 802.15.4 ◽  
Low Cost ◽  
Dynamic Change ◽  
Traffic Load ◽  
Personal Area Networks ◽  
Wireless Personal Area Networks ◽  
Dynamic Algorithm ◽  
Backoff Algorithm ◽  
Low Rate

IEEE802.15.4 defines MAC and PHY specification for low-rate wireless personal area networks (LR-WPANS), which targets wireless networking among low-rate, low-power and low-cost devices for short range telecommunication. As the wireless sensor network used in ward monitoring system need to handle large amounts of data, this paper proposes an improved backoff algorithm in slotted CSMA/CA by introducing a weighting algorithm of. According to the comparison of and , we can dynamic change the minimum contention window each time at CSMA/CA begins. By NS2 simulation, when the traffic load is large, the delay time, packet loss rate and jitter of the improved dynamic algorithm can be significantly reduced.

scholarly journals A Simulation Model of IEEE 802.15.4 GTS Mechanism and GTS Attacks in OMNeT++ / MiXiM + NETA

2018 ◽  
Vol 11 (1) ◽  
pp. 78 ◽  
Author(s):  
Yasmin M. Amin ◽  
Amr T. Abdel-Hamid
Keyword(s):  
Simulation Model ◽  
Data Transmission ◽  
Ieee 802.15.4 ◽  
Personal Area Networks ◽  
Wireless Personal Area Networks ◽  
Mac Layer ◽  
Management Scheme ◽  
Free Data ◽  
Ieee 802.15.4 Standard ◽  
Time Critical

The IEEE 802.15.4 standard defines the PHY and MAC layer specifications for Low-Rate Wireless Personal Area Networks (LR-WPANs). With the proliferation of many time-critical applications with real-time delivery, low latency, and/or specific bandwidth requirements, Guaranteed Time Slots (GTS) are increasingly being used for reliable contention-free data transmission by nodes within beacon-enabled WPANs. To evaluate the performance of the 802.15.4 GTS management scheme, this paper introduces a new GTS simulation model for OMNeT++ / MiXiM. Our GTS model considers star-topology WPANs within the 2.4 GHz frequency band, and is in full conformance with the IEEE 802.15.4 – 2006 standard. To enable thorough investigation of the behaviors and impacts of different attacks against the 802.15.4 GTS mechanism, a new GTS attacks simulation model for OMNeT++ is also introduced in this paper. Our GTS attacks model is developed for OMNeT++ / NETA, and is integrated with our GTS model to provide a single inclusive OMNeT++ simulation model for both the GTS mechanism and all known-to-date attacks against it.

Toward Secure Low Rate Wireless Personal Area Networks

2006 ◽  
Vol 5 (10) ◽  
pp. 1361-1373 ◽  
Author(s):  
Jianliang Zheng ◽  
M.J. Lee ◽  
M. Anshel
Keyword(s):  
Personal Area Networks ◽  
Wireless Personal Area Networks ◽  
Low Rate
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