Abstract: This paper considers the joint channel estimation and device activity detection in the grant-free random access systems, where a large number of Internet-of-Things devices intend to ...

Here's how to create your own animated Christmas tree in Excel: Open up a new spreadsheet. Click the triangle button in the ...

Abstract: The fund investment industry heavily relies on the expertise of fund managers, who bear the responsibility of managing portfolios on behalf of clients. With their investment knowledge and ...