60 GHz device classes-class 1,class 2,class 3,type A,type B,type C

This page covers 60 GHz device classes as per IEEE 802.15.3c and ECMA 387 viz. class 1, class 2, class 3, type A, type B and type C.

What is 60GHz?

Following are the features of 60GHz frequency.
• This particular frequency falls in millimeter wave range (i.e. 30 GHz to 300 GHz) in the electromagnetic frequency spectrum.
• It falls in globally used unlicensed band viz. 57 to 66 GHz recently adopted across the world for commercial use for wireless communication.
• 60GHz wavelength is about 0.5 centimeters.
• It is also known as V-band frequency.
• It is used for low power and short distance communication.

60GHz RF channels

• There four popular channels viz. each having about 2 GHz of bandwidth.

60 GHz device classes as per IEEE 802.15.3c

Following table-1 mentions 60 GHz device classes viz. class-1, class-2 and class-3 as per IEEE 802.15.3c. The IEEE 802.15.3c standard defines three classes of modulation and coding schemes for SC (single Carrier) mode in mmwave PHY as mentioned below.
• Class-1 is used for low power, low cost mobile for data rate requirements upto 1.5 Gbps.
• Class-2 is used for data rates upto 3 Gbps.
• Class-3 is used for data rates in excess of 5 Gbps for high performance apps.

Feature Class-1 Class-2 Class-3
Data Rate <1 Gbps Between 1.5 Gbps to 3 Gbps Between 3 Gbps to 5.5 Gbps
Receiver Sensitivity -65 dBm -58 dBm -50 dBm
Modulation π/2 BPSK/GMSK π/2 QPSK π/2 8PSK, π/2 16QAM
Number of modes 7 5 2

60 GHz device classes as per ECMA 387

Following table-2 mentions 60 GHz device classes viz. class-1, class-2 and class-3 as per ECMA 387.

Feature Type-A Type-B Type-C
Maximum Range 10m NLOS 3m LOS 1m LOS
Data rate 3.97 to 6.35 Gbps 0.794 to 3.175 Gbps 0.8 to 3.2 Gbps
Receiver sensitivity -60 dBm -60.7 dBm -62.2 dBm
Number of modes 14 5 3

Also refer advantages and disadvantages of 60 GHz frequency and more on what is 60 GHz.

mmwave or millimeter wave frequency related links

5G millimeter wave tutorial
5G millimeter wave bands
5G mm wave frame
mmwave MIMO
advantages and disadvantages of mmwave radar
mmwave products

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