Table Of Contents

MIMO Parts List

Last Modified: May 14, 2020

The MIMO testbed requires several parts and components for full functionality. Quantities may vary depending on the number of devices you want to synchronize.

Table 1. MIMO Component Quantities for an 8 × 8 Device Setup
Part Quantity
SMA-connected magnetic mount antenna

Minimum: 4

Maximum: 16

USRP device kit

Minimum: 4

Maximum: 16

USRP MIMO synchronization and data cable 1 per pair of USRP-2920/2921/2922/2930/2932 devices
Trimble Thunderbolt (REF and PPS) 2
Category 5 Ethernet cables 1 per USRP-2920/2921/2922/2930/2932 device
0.3 m BNC-to-BNC cables 4
3-way female BNC "T" 4
3-way male-female-female BNC "T" 8
BNC (m)-to-SMA (m) cable 16
10 port Gigabit Ethernet switch 1
PCIe Gigabit Ethernet card (Intel chipset) 1

The coherent local oscillator (LO) is derived from the 10 MHz Reference Clock. An oven-controlled oscillator (OCXO) supplies the 10 MHz Reference Clock output and digital pulse per second (PPS) output. The OCXO provides an accurate frequency source that operates without a GPS antenna. You can add a GPS antenna to improve synchronization and to provide a global concept of time.


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