Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

While once inseparable, Kate Middleton and younger sister Pippa are said to be on the outs as their lives "couldn't be more different," RadarOnline.com can reveal. With less than two years in age ...

Kate and Pippa Middleton are sparking speculation about their relationship after the princess’ sister skipped her Christmas event. Pippa, the younger sister of the Princess of Wales, was noticeably ...

Pippa Middleton has long resisted living in her sister's shadow, but the scale and craftsmanship of her engagement ring from James Matthews have ensured it still commands attention in its own right.

When Kate Middleton first broke into the public consciousness when she started dating Prince William, and later, when the two got married, her relationship with her sister Pippa Middleton was really, ...

Pippa Middleton got engaged to now-husband James Matthews in July 2016. Her engagement ring features a 3-carat Asscher-cut diamond surrounded by an octagonal halo of channel-set diamonds. It’s worth ...