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| Content Provider | ACM Digital Library |
|---|---|
| Author | Ganti, Raghu K. Gu, Yu He, Tian Zhang, Desheng Ye, Fan Liu, Yunhuai Lei, Hui |
| Copyright Year | 2015 |
| Abstract | As a supporting primitive of many mobile applications, neighbor discovery identifies nearby devices so that they can exchange information and collaborate in a peer-to-peer manner. To date, discovery schemes trade a long latency for energy efficiency and require a collaborative duty cycle pattern, and thus they are not suitable for interactive mobile applications where a user is unable to configure others’ devices. In this article, we propose $\textit{Acc},$ which serves as an on-demand generic discovery accelerating middleware for many deterministic neighbor discovery schemes. $\textit{Acc}$ leverages the discovery capabilities of neighbor devices, supporting both direct and indirect neighbor discoveries. Further, we present a proactive online rendezvous maintenance mechanism, which is used to reduce delays for the detection of leaving of neighbors. Our evaluations show that $\textit{Acc}-assisted$ discovery schemes reduce latency by up to 51.8% compared to schemes consuming the same amount of energy. More importantly, to prove the real-world value of $\textit{Acc},$ we further present and evaluate a $\textit{Crowd-Alert}$ application where $\textit{Acc}$ is employed by taxi drivers to accelerate selection of a direction with fewer competing taxis and more potential passengers, based on a 280GB dataset of more than 14,000 taxis in Shenzhen, the most crowded city in China. |
| Starting Page | 1 |
| Ending Page | 35 |
| Page Count | 35 |
| File Format | |
| ISSN | 15504859 |
| e-ISSN | 15504867 |
| DOI | 10.1145/2832914 |
| Volume Number | 11 |
| Issue Number | 4 |
| Journal | ACM Transactions on Sensor Networks (TOSN) |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2015-11-16 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Protocol Mobile applications Neighbor discovery |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Networks and Communications |
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