Abstract
This paper presents the architecture and implementation of LMAC which is the core block for high speed modem such as HSPA+ and LTE. The required data rate of these modems are 28.8Mbps/11.5Mbps (HSPA Release 7 modem) and 100Mbps/50Mbps (LTE modem) for downlink/uplink, respectively. To support higher data rate, we designed the new LMAC. Architecturally, LMAC includes cipher HW and provides functions such as fast data transfer, packet generation and parsing. Especially, we designed a new function which combines data transfer with cipher and has more performance benefit. As a result, our design can be used for the platform to support HSPA+ & LTE modems. And also, we reduced the processing time and the CPU & bus utilization, therefore, SW can obtain more margin to process the protocol stack.
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References
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Park, S., Kim, Y., Song, I., Han, K., Kim, J., Kim, K. (2010). High Performance MAC Architecture for 3GPP Modem. In: Kim, Th., Adeli, H. (eds) Advances in Computer Science and Information Technology. AST ACN 2010 2010. Lecture Notes in Computer Science, vol 6059. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-13577-4_20
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DOI: https://doi.org/10.1007/978-3-642-13577-4_20
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-13576-7
Online ISBN: 978-3-642-13577-4
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