Adaptive multipath control within an electric vehicle battery pack
Embodiments for adaptive multipath control within an electric vehicle battery pack are disclosed. In a particular embodiment, a method for adaptive multipath control includes modifying at least one of: one or more transmission properties and one or more reflection properties of a metasurface of a module measurement system of a battery management system. In this embodiment, the metasurface is proximate to an antenna of the module measurement system. The method also includes transmitting, via the antenna of the module measurement system, battery sensor data.
1 . A method for adaptive multipath control within an electric vehicle battery pack, the method comprising:
modifying at least one of: one or more transmission properties and one or more reflection properties of a metasurface of a module measurement system of a battery management system, wherein the module measurement system includes one or more battery sensors that generate battery sensor data; wherein the metasurface is proximate to an antenna of the module measurement system;
wherein the metasurface comprises an electro band-gap material comprising a plurality of unit cells; and
transmitting, via the antenna of the module measurement system, the battery sensor data.
2 . The method of claim 1 , wherein modifying at least one of: the one or more transmission properties and the one or more reflection properties of the metasurface comprises modifying a transmission magnitude and a transmission phase.
3 . The method of claim 2 , wherein the transmission magnitude and the transmission phase are modified by varying a capacitance of a varactor diode coupled to the metasurface.
4 . The method of claim 1 , wherein modifying at least one of: the one or more transmission properties and the one or more reflection properties of the metasurface comprises modifying a reflection magnitude and a reflection phase.
5 . The method of claim 4 , wherein the reflection magnitude and the reflection phase are modified by modulating a PIN diode coupled to the metasurface.
6 . The method of claim 1 , wherein modifying at least one of the one or more transmission properties and the one or more reflection properties of the metasurface is performed in response to a failed transmission by the module measurement system.
7 . The method of claim 1 , wherein modifying at least one of: the one or more transmission properties and the one or more reflection properties of the metasurface is performed based on a predefined modulation pattern.
8 . A battery management system for adaptive multipath control within an electric vehicle battery pack, comprising:
a wireless network controller; and
a module measurement system that includes one or more battery sensors that generate battery sensor data, the module measurement system configured to
modify at least one of: one or more transmission properties and one or more reflection properties of a metasurface proximate to an antenna; wherein modifying at least one of one or more transmission properties and one or more reflection properties of the metasurface comprises modifying a reflection magnitude and reflection phase; and
transmit, via the antenna to the wireless network controller, the battery sensor data.
9 . The battery management system of claim 8 , wherein modifying at least one of: the one or more transmission properties and the one or more reflection properties of the metasurface comprises modifying a transmission magnitude and transmission phase.
10 . The battery management system of claim 9 , wherein the transmission magnitude and the transmission phase are modified by varying a capacitance of a varactor diode coupled to the metasurface.
11 . The battery management system of claim 8 , wherein the reflection magnitude and the reflection phase are modified by modulating a PIN diode coupled to the metasurface.
12 . The battery management system of claim 8 , wherein the metasurface comprises an electro band-gap material comprising a plurality of unit cells.
13 . The battery management system of claim 8 , wherein modifying at least one of the one or more transmission properties and the one or more reflection properties of the metasurface is performed in response to a failed transmission by the module measurement system.
14 . The battery management system of claim 8 , wherein modifying at least one of the one or more transmission properties and the one or more reflection properties of the metasurface is performed based on a predefined modulation pattern.
15 . An apparatus for adaptive multipath control within an electric vehicle battery pack, the apparatus comprising a computer processor, a computer memory operatively coupled to the computer processor, the computer memory having disposed within it computer program instructions that, when executed by the computer processor, cause the apparatus to carry out the steps of:
modifying at least one of one or more transmission properties and one or more reflection properties of a metasurface of a module measurement system of a battery management system, wherein the module measurement system includes one or more battery sensors that generate battery sensor data; wherein the metasurface is proximate to an antenna of the module measurement system;
wherein modifying at least one of: the one or more transmission properties and the one or more reflection properties of the metasurface comprises modifying a transmission magnitude and transmission phase; and
transmitting, via the antenna of the module measurement system, the battery sensor data.
16 . The apparatus of claim 15 , wherein the transmission magnitude and the transmission phase is modified by varying a capacitance of a varactor diode coupled to the metasurface.
17 . The apparatus of claim 15 , wherein modifying at least one of the one or more transmission properties and the one or more reflection properties of the metasurface comprises modifying a reflection magnitude and a reflection phase.