Publications – Details
Dummy Bit Rate Matching for UMTS-LTE
- Authors:
- Tobias Breddermann, Benedikt Eschbach, and Peter Vary
- Book Title:
- ITG-Fachtagung Mobile Kommunikation
- Event Date:
- 18.-19.5.2011
- Organization:
- ITG
- Publisher:
- VDE
- Date:
- May 2011
- Pages:
- 63–66
- ISBN:
- 978-3-80073-352-1
- Language:
- English
Abstract
In UMTS LTE rate matching is performed by means of puncturing and repetition in order to adjust the code rate with respect to the supported transmission rates. In this proposal we describe an alternative approach for the repetition case where known bits (dummy bits) are inserted into the bit sequence prior to channel coding. These bits provide perfect a priori information which can be exploited by the iterative soft input soft output (SISO) turbo decoder for the decoding of the information bits. Extensive simulations have verified that superior decoding quality in terms of bit error rate and faster convergence can be achieved by the novel dummy bit rate matching compared to the standardized UMTS LTE rate matching.
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