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 divide frequency into multiple bands in NS2 to form a multichannel MAC protocol?

I need to divide the allotted frequency into multiple frequency band.

01 February 2014 8,454 3 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View