Open Space (IMAGE) IMDEA Networks Institute Caption Figure 1. (first above) Photo of the open space measurement setup of Fig. 2, showing the client, AP2 (access point 2) and AP5 (access point 5). Credit IMDEA Networks Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.