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A low complexity hardware interleaver architecture is presented for MIMO-OFDM based wireless LAN e.g. 802.11n. Novelty of the presented architecture is twofold; 1) Flexibility to choose interleaver implementation with different modulation scheme and different size for different spatial streams in a multi antenna system, 2) Complexity to compute on the fly interleaver address is reduce by using recursion...
The focus of this paper is to investigate the feasibility of using programmable DSP processors for MIMO based radio systems. Several detection algorithms were evaluated and MIPS costs for low complexity detection and channel estimation algorithms for OFDM-VBLAST MIMO systems where calculated. Based on the MIPS cost estimation a feasible hardware architecture was derived. The result shows the feasibility...
We present a cost-effective plastic packaging technology for a fully-integrated 60GHz radio, used for communication in the 60GHz ISM band. The chipset supports 1-3 Gbps directional links using a ASK or PSK modulation, or it can be used in 500Mbps-1Gbps omni-directional links using an OFDM modulation. The antenna is integrated inside of the package and does not require any high-frequency external connection...
Efficient programmable baseband processors are important in order to enable true multi-standard radio platforms and software defined radio systems. In programmable processors, the memory sub-system accounts for a large part of both the area and power consumption. This paper presents a methodology for designing memory efficient multi-standard baseband processors. The methodology yields baseband processor...
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