The currently available compilation techniques are for general computing and are not optimized for physical layer computing in 5G micro base stations.In such cases,the foreseeable data sizes and small code size are ap...The currently available compilation techniques are for general computing and are not optimized for physical layer computing in 5G micro base stations.In such cases,the foreseeable data sizes and small code size are application specific opportunities for baseband algorithm optimizations.Therefore,the special attention can be paid,for example,the specific register allocation algorithm has not been studied so far.The compilation for kernel sub-routines of baseband in 5G micro base stations is our focusing point.For applications of known and fixed data size,we proposed a compilation scheme of parallel data accessing,while operands can be mainly allocated and stored in registers.Based on a small register group(48×32b),the target of our compilation scheme is the optimization of baseband algorithms based on 4×4 or smaller matrices,maximizing the utilization of register files,and eliminating the extra register data exchanging.Meanwhile,when data is allocated into register files,we used VLIW(Very Long Instruction Word)machine to hide the time of data accessing and minimize the cost of data accessing,thus the total execution time is minimum.Experiments indicate that for algorithms with small data size,the cost of data accessing and extra addressing can be minimized.展开更多
为提升应急通信场景下微基站供电系统的灵活性与可靠性,设计一种面向应急通信的微基站便携式储能供电系统。通过构建由储能单元、能量管理单元、功率转换单元及接口通信单元组成的系统架构,结合磷酸铁锂电池组、智能电池管理系统(Batter...为提升应急通信场景下微基站供电系统的灵活性与可靠性,设计一种面向应急通信的微基站便携式储能供电系统。通过构建由储能单元、能量管理单元、功率转换单元及接口通信单元组成的系统架构,结合磷酸铁锂电池组、智能电池管理系统(Battery Management System,BMS)、最大功率点跟踪(Maximum Power Point Tracking,MPPT)光伏控制及多模式功率变换技术,实现对微基站的高效稳定供电。实验验证表明,系统在不同负载条件下均具备良好的供电稳定性与响应能力,满足72 h黄金救援期的基本保障需求。展开更多
基金supported by the research funding KYQD(ZR)1974 from Hainan University.
文摘The currently available compilation techniques are for general computing and are not optimized for physical layer computing in 5G micro base stations.In such cases,the foreseeable data sizes and small code size are application specific opportunities for baseband algorithm optimizations.Therefore,the special attention can be paid,for example,the specific register allocation algorithm has not been studied so far.The compilation for kernel sub-routines of baseband in 5G micro base stations is our focusing point.For applications of known and fixed data size,we proposed a compilation scheme of parallel data accessing,while operands can be mainly allocated and stored in registers.Based on a small register group(48×32b),the target of our compilation scheme is the optimization of baseband algorithms based on 4×4 or smaller matrices,maximizing the utilization of register files,and eliminating the extra register data exchanging.Meanwhile,when data is allocated into register files,we used VLIW(Very Long Instruction Word)machine to hide the time of data accessing and minimize the cost of data accessing,thus the total execution time is minimum.Experiments indicate that for algorithms with small data size,the cost of data accessing and extra addressing can be minimized.
文摘为提升应急通信场景下微基站供电系统的灵活性与可靠性,设计一种面向应急通信的微基站便携式储能供电系统。通过构建由储能单元、能量管理单元、功率转换单元及接口通信单元组成的系统架构,结合磷酸铁锂电池组、智能电池管理系统(Battery Management System,BMS)、最大功率点跟踪(Maximum Power Point Tracking,MPPT)光伏控制及多模式功率变换技术,实现对微基站的高效稳定供电。实验验证表明,系统在不同负载条件下均具备良好的供电稳定性与响应能力,满足72 h黄金救援期的基本保障需求。
