Is there only a single channel used in LR-WPAN?

I have implemented WPAN (Zigbee) on my system. On the console screen it is showing that only Channel No.11 is utilized though every node is scanning channels 11,12,13. How can I make it...

04 May 2014 9,514 3 View

Which extensions are required for NS2 source to make it useful for designing Multiple Channels?

Please share some documents in which we can make changes in the source to make it feasible for the multiple channel support in Zigbee (LR-WPAN).

04 May 2014 8,540 0 View

What is the difference between orthogonal and non orthogonal channels in wireless standards like ZigBee?

Please give me the basic idea about these channels. Which one is better for increasing throughput?

01 February 2014 9,848 12 View

Can we set different frequencies to each cluster in a network? Is it possible in NS2?

I want to simulate a network whose clusters will work on different frequencies.

01 February 2014 6,593 6 View

How to use the unutilized channels in ZigBee standard(IEEE 802.15.4)?

What are the different ways to utilize the channels to get maximum throughput? Is it possible despite interchannel interference?

01 February 2014 9,802 6 View

Is it possible to design multichannel MAC protocol in NS2?

I need to design multichannel MAC layer protocol along with the concept of orthogonality and non orthogonality of channels.

01 February 2014 7,855 3 View

How to design and implement a Non-Orthogonal Multi-Channel MAC layer protocol for Wireless Sensor Networks?

I want to design and implement Non Orthogonal Multi-Channel MAC layer protocol for WSN. For this which is the best simulator to simulate?

31 December 2013 7,514 0 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

The procedure compute?

02 March 2021 5,204 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View