4.1. Cover letters are required for all submissions
4.2. Cover letters must include a statement of originality and confirmation that this paper has not been submitted to any other journals.
4.3. If your manuscript has previously been submitted to this or any other journal (including other IET journals) and subsequently rejected, you must provide copies of all correspondence involving the earlier submission including the final decision letter. You must also include an additional document detailing how you have improved your paper from the previous rejected version. Please upload this document alongside both your submitted manuscript file and your cover letter. Failure to do so may cause delays or interruptions to paper processing and will result in the rejection of your manuscript.
4.4. If your manuscript was previously a conference paper please attach the paper and details of how the manuscript has been expanded.