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| Content Provider | ACM Digital Library |
|---|---|
| Author | Abedini, Navid Shakkottai, Srinivas |
| Copyright Year | 2014 |
| Abstract | The rapid growth of wireless content access implies the need for content placement and scheduling at wireless base stations. We study a system under which users are divided into clusters based on their channel conditions, and their requests are represented by different queues at logical front ends. Requests might be elastic (implying no hard delay constraint) or inelastic (requiring that a delay target be met). Correspondingly, we have request queues that indicate the number of elastic requests, and deficit queues that indicate the deficit in inelastic service. Caches are of finite size and can be refreshed periodically from a media vault. We consider two cost models that correspond to inelastic requests for streaming stored content and real-time streaming of events, respectively. We design provably optimal policies that stabilize the request queues (hence ensuring finite delays) and reduce average deficit to zero [hence ensuring that the quality-of-service (QoS) target is met] at small cost. We illustrate our approach through simulations. |
| Starting Page | 864 |
| Ending Page | 874 |
| Page Count | 11 |
| File Format | |
| ISSN | 10636692 |
| DOI | 10.1109/TNET.2013.2261542 |
| Volume Number | 22 |
| Issue Number | 3 |
| Journal | IEEE/ACM Transactions on Networking (TON) |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2014-06-01 |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Content distribution network (CDN) Delay-sensitive traffic Prediction Quality of service (QoS) Queueing |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Networks and Communications Software Computer Science Applications |
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