Abstract
In this paper we have designed a Thermal energy efficient 32Bit ALU for network processor, the main objective of this design is to provide better thermal efficiency with respect to existing designs. For that purpose we have used six different members of SSTL I/Os standards on 28nm technology along with consideration of airflow toward hit sink and different frequency on which ALU operate in network processor or any WLAN devices. We have done total power analysis of WLAN operating on different frequencies. We have considered a set of frequencies, which are based on IEEE 802.11 standards. First we did an analysis of IO standard on different frequencies, to find out the most efficient frequency on which device can operate at lowest power consumption and thermally efficient. Later we compared different I/ Os on different frequencies, which we have considered in our paper in order to compare and find out most efficient IO standard. While analyzing we found out that when WLAN device shift from 343.15K to 283.15K, there is maximum thermal power reduction in SSTL135_R as compared to all considered I/O standards. When we compared same I/Os for different frequencies we observed maximum thermal efficiency in SSTL15 at minimum and maximum temperature as compared to all other considered I/O standards. This design has application where 32bit ALU design is considered for designing an electronic device such as WLAN. The design can be implemented on different nano chips for better efficiency depending upon the design requirement.
Highlights
In this paper, we are going to study the most thermal efficient WLAN ALU32bit design on 28nm FPGA
In order to design Thermal efficient WLAN for different channels or frequencies, When WLAN device shift from 343.15k to 283.15k there is maximum of 8.88%, 6.91%, 5.62%, 5.11% and 1.64% thermal power reduction in SSTL135_R as compared to other I/Os at 2.4 GHz, 3.6 GHz, 5.0 GHz, 5.9 GHz and 60 GHz respectively
When we compared same I/Os for different frequencies we observed at minimum temperature 283.15K, SSTL15 is most thermal efficient with 95.50%, 95.12%, 95.67%, 95.68%, 95.51% and 95.12% thermal power reduction at 2.4 GHz and at maximum temperature 343.15K there is 95.22%, 94.74%, 95.46%, 95.50%, 94.23% and 94.73% thermal power reduction at 2.4 GHz as compared to the other operating frequencies respectively
Summary
We are going to study the most thermal efficient WLAN ALU32bit design on 28nm FPGA. SSTL based Low Power Thermal Efficient WLANS pecific 32 bit ALU Design on 28 nm FPGA specialized for carrying alternating current of radio frequency where wave nature must be taken into consideration for currents with high enough frequency are called SSTL. It is used with a type of random access memory that is dynamic access memory (DRAM) where each bit of data is stored in a separate capacitor in an IC (integrated circuit). SSTL15 DDR3 SDRAM memory interfaces use SSTL15 IOs It is defined by JEDEC standard JESD79-3E. The WLAN port or modem has an Ethernet point at back side of the device, so a user can use it via LAN wire (Physical connection)
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