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of oxygen left at most. we have our correspondents frances read and exports to talk about what could have gone wrong and experts. we will also find out about the tech. we want you to get involved. as ever, your knowledge and expertise never ceases to amaze us, so please get in touch. the phone number is 08085 909693, or text on 85058. here is the news from bethan holmes. the search is continuing in the north atlantic for a submersible vessel that s gone missing during a dive to the wreck of the titanic. five people are on board including british billionaire hamish harding and businessman shahzada dawood and his son sulaiman. contact was lost about an hour and 45 minutes into its dive to the wreck site on sunday. the average tenant in the uk now spends more than 28% of their pre tax income on rent. the data from zoopla suggests people are spending more of their wages on rent than at any other time in the past decade. mps have overwhelmingly backed a report that found bori ....
About deep sea diving dispel. everything is acoustic, there i about deep sea diving dispel. everything is acoustic, there arej everything is acoustic, there are layers everything is acoustic, there are layers in everything is acoustic, there are layers in deep everything is acoustic, there are layers in deep water everything is acoustic, there are layers in deep water particularlyj layers in deep water particularly with different layers in deep water particularly with different temperatures i layers in deep water particularly with different temperatures etc| layers in deep water particularly- with different temperatures etc and they can with different temperatures etc and they can even with different temperatures etc and they can even block with different temperatures etc and they can even block acoustic - they can even block acoustic signals, they can even block acoustic signals, which they can even block acoustic signals, which makes- they can even block acoustic ....
This paper studies a novel wireless powered Internet of Things (IoT) network that consists of (a) a Hybrid Access Point (HAP) that charges devices and also helps facilitate backscattering transmissions, (b) devices that use active Radio Frequency (RF) and backscattering transmissions, and (c) a mobile data collector. Our aim is to maximize the amount of data received by the HAP and data collector. The main problem is to determine the charging duration of the HAP and link activation schedule of devices. We formulate a novel Mixed Integer Linear Program (MILP) and also propose a heuristic algorithm named Reduced-Set Linear Program Approximation (RS-LPA). The results show that (i) throughput increases with the number of backscatter transmission sets, (ii) smaller amount of data is uploaded to the mobile collector when sampling cost is low, and (iii) the throughput of RS-LPA is on average 10.55% lower than MILP. ....