Generating a repetitive sequence of 1

[Wired_]

How can I generate and send a sequence of 1111111.....? I want repetetive stream of 1 for channel gain estimation.

[joergho · Accepted solution]

I recommend that you have a look at the learning examples included in LabVIEW Communications:

The exercise at "Learn" -> "Getting Started" -> "Overview of the FPGA Design Flow" -> "Algorithm Design and Testing" shows you how to implement an OFDM Transmitter using a "Multirate Diagram" (MRD). An MRD is a lanugage which simplifies dealing with streams of data and can be run on both the Host and the FPGA without any change. It sounds like this is just what you are looking for - because if you want to send something over RF, you should modulate it, and a common approach is to use OFDM for this. This is just what is shown in this exercise! Have a look at OFDM Tx Flt solution.gmrd: if you want to have all carriers "1" you just have to change the input sequence accordingly.

[Wired_]

Hi!

I just want to estimate the channel gain. So was mainly interested in sending a sequence may be a constant for a time period and see how its fades. 

I just need envelope of channel gain.

I guess sending a data and deviding the received data with sent message shall give the channel gain.

Since I had to use MT Gnereate wave form for new wave I followed 1= sin(m)/sin(m) for getting the sequence.

But at receiver side I am receiving a sin wave. Though I expected to receive a random faded envelope!