Abstract: We propose a non-orthogonal multiple access (NOMA) scheme known as power domain sparse code multiple access (PD-SCMA) for visible light communications (VLC), which uses both the power and ...

Some of San Diego’s neediest rec centers aren’t getting the windfall they expected from a new fund. Here’s why. While council members praise the fund for reviving many rec centers and helping to boost ...

Usually, our applications operate with the current state of a domain object. But sometimes, we need to know the entire history of the domain object changes. For example, we want to know how an order ...

If you want to support this free project. Any help is welcome. You can donate by clicking one of the following links: It is recommended to always do a full deploy when you changed some of the nodes of ...