| 摘要 |
This disclosure contains three parts. First, it provides a quantitative analysis on the weaknesses of the physical layer built-in security of the operational and the proposed 3G spread spectrum based wireless communication systems. Second, it incorporates advanced cryptographic techniques into wireless transceiver design. More specifically, it proposes an AES based secure scrambling process to enhance the physical layer built-in security of spread spectrum systems, and therefore formulates a joint physical layer and network layer privacy protection scheme. Third, it provides an AES based secure interleaving process to ensure excellent system performance over channels experiencing severe fading and/or burst errors. The proposed schemes can be extended to general wireless systems in multiple ways.
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