Review Article

Past Results, Present Trends, and Future Challenges in Intrabody Communication

Table 7

Comparison of intrabody communication transceivers developed in CMOS technology (I).

First author, reference YearCMOS processFrequency bandSupply voltage, VModulationData rateOverall power consumption (TX/RX), mWEnergy/bitRX SensitivityChip area, mm2BERInput impedance# of coexistence instancesStandard compatibilityExtra feature

Song, [97]20070.25-1–200 MHz1Wideband signaling2 Mb/s0.2 (0.05/0.15)2.5 nJ/b−36 dBm0.85no
Cho, [98]20090.18-30–120 MHz1Adaptive frequency hopping FSK60 kb/s–10 Mb/s4.6 (0.9/3.7)0.37 nJ/b−65 dBm2.30 @ 10 Mb/s, @ 60 kb/s<100 Ω1no
Cho, [99]20090.18-30–70 MHz1.8Variable adaptive frequency hopping FSK500 kb/s–5 Mb/s2.3 (BCC), 8.5 (MICS)−65 dBm @ 2.5 Mb/s4.753–20no
Bae, [26]20120.18-40–120 MHz1Double FSK1 kb/s–10 Mb/sTX: 2–3.8
RX: 2.4–3.2
0.24 nJ/b−66 dBm12.50 @ 10 Mb/s, @ 10 kb/s100–600 Ω1–15noSkin-electrode variance tolerance
Bae, [100]20120.18-40–120 MHz1Double FSK1 kb/s–10 Mb/s4.4 (2/2.4)0.24 nJ/b−66 dBm4.5 @ 10 Mb/s, @ 10 kb/s1–15yes
Lee, [101]20130.13-18.375–
23.625 MHz
1FSDT BPSK164 kb/s–1.3125 Mb/sTX: 2.3
RX: 3.2
2.44 nJ/b97.35 dBm12.5yes
Lee, [102] 20140.13-18.375–
23.625 MHz
1.2FSDT164 kb/s, 328 kb/s, 626 kb/s, 1.3125 Mb/s@ 64 nodes TX: 0.5312
RX: 2.77
−98 dBm @ 164 kb/s12.51–64yes
Cho, [103]20150.13-18.375–
23.625 MHz
1.2FSDT164 kb/s–1.313 Mb/sTX: 1.4
RX: 5
4.8 nJ/b−98.3 dBm @ 1.313 Mb/s100 Ωyes
Cho, [104106];
Healthcare mode
201565-nm10 MHz0.8OOK superregenerative100 kb/sTX: 21
RX: 0.0425
0.43 nJ/b−72 dBmyes
Cho, [104106];
entertainment mode
201565-nm20–60 MHz, 140–180 MHz1.2Coherent BPSK80 Mb/sTX: 1.7–2.6
RX: 6.3
0.079 nJ/b−58 dBmyes
Fazzi, [107]20090.13-1–30 MHz1.2Correlation direct digital8.5 Mb/s2.75 (2.15/0.6)0.32 nJ/b−60 dBm0.19>1 MΩ RX, <1 pF input capacitance1no
Lin, [108]20110.18-200 MHz0.5OOK2 Mb/s4.535−68 dBm1.5<10−3noCan be powered by a solar cell