【摘要】：針對(duì)人口老齡化和醫(yī)療資源緊張問(wèn)題,利用可穿戴設(shè)備和先進(jìn)的物聯(lián)網(wǎng)技術(shù)將患者的生命體征信息隨時(shí)隨地傳送給醫(yī)護(hù)人員和醫(yī)療機(jī)構(gòu),使患者得到及時(shí)救治。因此,微型化、無(wú)線化、集成化和智能化的可穿戴設(shè)備越來(lái)越受到人們的關(guān)注。超高頻射頻識(shí)別技術(shù)(UHF RFID)是一種工作在860-960MHz的無(wú)線通信技術(shù),具有成本和功耗低、抗干擾能力強(qiáng)的優(yōu)點(diǎn),通過(guò)結(jié)合先進(jìn)的傳感器技術(shù)可以進(jìn)一步拓展其功能。然而,截止目前為止,關(guān)于UHF RFID技術(shù)在可穿戴設(shè)備中的開(kāi)發(fā)應(yīng)用并不多見(jiàn)。因此,開(kāi)發(fā)一款基于UHF RFID技術(shù)的無(wú)線生命體征監(jiān)護(hù)系統(tǒng)對(duì)促進(jìn)智慧醫(yī)療的發(fā)展和推動(dòng)醫(yī)療行業(yè)的改革有著重要意義。本文提出一種基于UHF RFID技術(shù)的無(wú)線血氧脈搏監(jiān)測(cè)解決方案,完成了系統(tǒng)搭建和驗(yàn)證,并對(duì)部分模塊進(jìn)行了數(shù)字集成電路設(shè)計(jì)。其中系統(tǒng)整體架構(gòu)由光電傳感器、數(shù)據(jù)處理模塊、RFID標(biāo)簽、RFID閱讀器和上位機(jī)組成。光電傳感器和數(shù)據(jù)處理模塊實(shí)時(shí)采集和處理脈搏血氧信號(hào),RFID標(biāo)簽和閱讀器實(shí)現(xiàn)數(shù)據(jù)無(wú)線通信,最終通過(guò)上位機(jī)完成數(shù)據(jù)收集和界面顯示。系統(tǒng)功能驗(yàn)證完成后對(duì)數(shù)據(jù)處理模塊進(jìn)行了數(shù)字集成電路設(shè)計(jì),完成RTL代碼的設(shè)計(jì)與優(yōu)化,并基于UMC0.18μm CMOS工藝進(jìn)行了完整的后端物理設(shè)計(jì),包括布圖、標(biāo)準(zhǔn)單元布局、時(shí)鐘樹綜合、布線和可制造性設(shè)計(jì)。經(jīng)過(guò)靜態(tài)時(shí)序分析、形式驗(yàn)證、物理版圖驗(yàn)證DRC和LVS的檢查后,芯片的時(shí)序問(wèn)題與版圖的規(guī)則問(wèn)題均得到修復(fù)。數(shù)據(jù)處理芯片版圖面積為693×693μm~2,核心區(qū)標(biāo)準(zhǔn)單元數(shù)為1704。實(shí)驗(yàn)結(jié)果表明,所設(shè)計(jì)系統(tǒng)與臨床用血氧脈搏檢測(cè)儀具有良好的一致性,血氧飽和度和脈率的最大測(cè)量誤差分別為±1%和±2bpm且具有無(wú)線傳輸和低功耗的特點(diǎn),為無(wú)線生物傳感芯片的設(shè)計(jì)開(kāi)發(fā)提供了重要參考。
[Abstract]:In view of the aging population and the shortage of medical resources, wearable devices and advanced Internet of things technology are used to transmit the vital signs of patients to medical staff and medical institutions at any time and anywhere, so that patients can be treated in a timely manner. Therefore, miniaturized, wireless, integrated and intelligent wearable devices are attracting more and more attention. UHF radio frequency identification (UHF RFID) is a kind of wireless communication technology working in 860-960MHz, which has the advantages of low cost, low power consumption and strong anti-interference ability. By combining with advanced sensor technology, its function can be further expanded. However, so far, the development and application of UHF RFID technology in wearable devices is rare. Therefore, it is of great significance to develop a wireless vital sign monitoring system based on UHF RFID technology to promote the development of intelligent medical care and the reform of medical industry. In this paper, a wireless oxygen pulse monitoring solution based on UHF RFID technology is proposed. The system is built and verified, and some modules are designed with digital integrated circuit. The whole system is composed of photoelectric sensor, data processing module, RFID tag, RFID reader and PC. Photoelectric sensor and data processing module collect and process pulse oxygen signal in real time, RFID tag and reader realize data wireless communication, and finally complete data collection and interface display through upper computer. After the functional verification of the system, the digital integrated circuit design of the data processing module is carried out, and the design and optimization of the RTL code are completed. Based on the UMC0.18 渭 m CMOS process, the complete back-end physical design is carried out, including the layout of the layout and the layout of the standard unit. Clock tree synthesis, cabling and manufacturability design. After the static timing analysis, formal verification, physical layout verification DRC and LVS check, the chip timing problem and layout rule problem have been fixed. The layout area of the data processing chip is 693 脳 693 渭 m ~ (-2) and the number of standard cells in the core area is 1704. The experimental results show that the designed system is in good agreement with the clinical oxygen pulse detector. The maximum measurement errors of oxygen saturation and pulse rate are 鹵1% and 鹵2bpm, respectively, and have the characteristics of wireless transmission and low power consumption. It provides an important reference for the design and development of wireless biosensor chip.
【學(xué)位授予單位】：天津大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類號(hào)】：TP391.44;TH789

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