Abstract
Wireless universal serial bus (WUSB) is the USB technology merged with WiMedia PHY/MAC. WUSB can be applied to wireless personal area network applications as well as PAN applications like wired USB. However the current WUSB protocol can’t provide resource allocation scheme to respond to changes of available resource as well as resource allocation scheme for saturated wireless channel. This problem causes the critical problems in QoS provisioning to real-time multimedia streams such as high definition television, since multimedia application generate high data rates and can easily saturate the bandwidth even at the rates provided by Ultra wide-band transmissions. Therefore, we propose resource allocation scheme for WUSB transfers to respond to changes of available resource as well as resource allocation scheme for saturated WUSB channel. And its performance is evaluated under an internet protocol television service scenario in wireless home networks.
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Abbreviations
- D-MAC:
-
Distributed medium access control
- DRP:
-
Distributed reservation protocol
- DTP:
-
Data transfer period
- HDTV:
-
High definition television
- IE:
-
Information element
- IPTV:
-
Internet protocol television
- MMC:
-
Micro-scheduled management command
- PVR:
-
Personal video recorder
- QoS:
-
Quality of service
- TSPEC:
-
Traffic specification
- UWB:
-
Ultra wide-band
- WCTA:
-
Wireless USB channel time allocation
- WLP:
-
WiMedia logical link protocol
- WPAN:
-
Wireless personal area network
- WUSB:
-
Wireless USB
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Acknowledgments
This research was supported in part by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2009-0093828) and in part by the MSIP (Ministry of Science, ICT and Future Planning), Korea, under the C-ITRC (Convergence Information Technology Research Center) support program (NIPA-2013-H0401-13-2006) supervised by the NIPA (National IT Industry Promotion Agency).
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Kim, Jw., Hur, K. & Lee, SR. A QoS Provisioning Mechanism of Real-Time Wireless USB Transfers for Smart HDTV Multimedia Services. Wireless Pers Commun 77, 1585–1604 (2014). https://doi.org/10.1007/s11277-013-1598-6
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DOI: https://doi.org/10.1007/s11277-013-1598-6