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Coexistence-aware scheduling for LTE and WLAN during hard in-device interference | IEEE Conference Publication | IEEE Xplore

Coexistence-aware scheduling for LTE and WLAN during hard in-device interference


Abstract:

In-device interference of concurrently active radios can cause significant performance degradation in small devices such as smart phones. To avoid interference-related co...Show More
Notes: Due to a production error this article was not included in the original IEEE Xplore submission for this conference proceedings

Abstract:

In-device interference of concurrently active radios can cause significant performance degradation in small devices such as smart phones. To avoid interference-related conflicts under challenging in-device conditions, we propose a generic radio scheduling architecture to the smart phone and small but important extensions to the LTE and WLAN protocols. To LTE, we propose scheduling duration extension to the discontinuous reception (DRX) mechanism. This provides statistically guaranteed off-durations by limiting when new data can be scheduled. To WLAN, we propose coexistence-aware delivery, which enables efficient adaptation to interference-free time periods for incoming data by adding a deadline to the delivery. Based on detailed MAC-level simulations, we show that coexistence-aware radio scheduling with the proposed protocol extensions improve significantly the LTE/WLAN coexistence under hard in-device interference compared to the current state of the art.
Notes: Due to a production error this article was not included in the original IEEE Xplore submission for this conference proceedings
Date of Conference: 18-20 June 2012
Date Added to IEEE Xplore: 07 January 2013
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ISSN Information:

Conference Location: Stockholm, Sweden

References

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