Digital synthesis architecture for modulation and demodulation

Versatile digital architecture for mobile terminal

“…Although the complexity reduction is not more important and the maximum frequency is lower than the dedicated hardware architecture (Velcro), the great advantage of the proposed architecture is the higher flexibility and its use in a regular architecture. This offered flexibility increases the parallelism of the processing by sharing common resources between the algorithms, which leads to improve the calculation speed [7][8][9][10]. The FPGA implementation results of the proposed architecture and previous works that share some common functionality of the proposed architecture are given in Table 3 for different word-lengths (n).…”

“…It is just juxtaposition of several standard chains and the ''re-configuration'' is simply performed by a switch from one to another. Moreover, its scalability is limited by the standards considered and the complexity of its implementation remains maximum [7][8][9]. For instance, [7] proposes to compare its reconfigurable architecture with the Velcro technique using the Gain in terms of ALUTs, the critical path delay in nanoseconds, the memory saving and performance-to-cost ratio ''g'' defined by 1/(TC)*10 6 , where C is the number of logic blocks related to the cost of a FPGA-based circuit while T the execution time in nanoseconds (ns).…”

“…gain in terms of ALUTs and performance-to-cost ratio gain compared to the Velcro technique. In [8], a modulation and demodulation architecture using linear feedback shift registers (LFSR) is proposed. This one can deliver a high reduction of the FPGA logic requirements and power consumption when compared with the Velcro architecture.…”

“…These operations have many points of similarity between them [6,7]. These similarities can be exploited to propose a new generic and ''universal'' digital architecture, able to take charge of functionalities previously managed by several different circuits [8]. Moreover, this architecture must be sufficiently flexible to support multiple transmission standards and easily adaptable for future evolutions.…”

Implementation of universal digital architecture using 3D-NoC for mobile terminal

“…These different architectures proposed for these operations and functions have many similarities points between them [2][3]. These similarities are exploited to propose a new architecture entirely digital, and "universal", able to take charge of functionalities previously managed by different circuits [4]. Many previous works propose various implementations of generic architectures.…”