A method for wireless communication at a first device, comprising: communicating (1405, 505) with a base station over a first wireless communication link (405-a) using a set of local antennas associated with a first power class; identifying (1410, 510) a set of auxiliary antennas of a second device associated with a second power class for transmitting uplink signals to the base station, wherein the first device is in communication with the second device over a second communication link, wherein the second communication link comprises a Bluetooth link, a Wi-Fi link, or a sidelink; transmitting (1415, 515), based at least in part on identifying the set of auxiliary antennas of the second device, an indication of the second power class for the set of auxiliary antennas to the base station; receiving, from the base station, a first power control command associated with transmitting the uplink signals via the set of local antennas of the first device and a second power control command associated with transmitting the uplink signals via the set of auxiliary antennas of the second device; identifying (525, 1420) uplink signals to transmit to the base station using at least one antenna of the set of local antennas of the first device associated with the first power class or at least one antenna of the set of auxiliary antennas of the second device associated with the second power class; and transmitting, to the second device over the second communication link, a control message indicating a transmit power for transmitting the uplink signals via the set of auxiliary antennas of the second device, and at least one of: transmitting (530, 1425) the uplink signals to the base station via the at least one antenna of the set of local antennas of the first device; and forwarding, via the second communication link, representations of the uplink signals to the second device to enable said uplink signals to be transmitted to the base station via the at least one antenna of the set of auxiliary antennas of the second device. communicating (1405, 505) with a base station over a first wireless communication link (405-a) using a set of local antennas associated with a first power class; identifying (1410, 510) a set of auxiliary antennas of a second device associated with a second power class for transmitting uplink signals to the base station, wherein the first device is in communication with the second device over a second communication link, wherein the second communication link comprises a Bluetooth link, a Wi-Fi link, or a sidelink; transmitting (1415, 515), based at least in part on identifying the set of auxiliary antennas of the second device, an indication of the second power class for the set of auxiliary antennas to the base station; receiving, from the base station, a first power control command associated with transmitting the uplink signals via the set of local antennas of the first device and a second power control command associated with transmitting the uplink signals via the set of auxiliary antennas of the second device; identifying (525, 1420) uplink signals to transmit to the base station using at least one antenna of the set of local antennas of the first device associated with the first power class or at least one antenna of the set of auxiliary antennas of the second device associated with the second power class; and transmitting, to the second device over the second communication link, a control message indicating a transmit power for transmitting the uplink signals via the set of auxiliary antennas of the second device, and at least one of: transmitting (530, 1425) the uplink signals to the base station via the at least one antenna of the set of local antennas of the first device; and forwarding, via the second communication link, representations of the uplink signals to the second device to enable said uplink signals to be transmitted to the base station via the at least one antenna of the set of auxiliary antennas of the second device. transmitting (530, 1425) the uplink signals to the base station via the at least one antenna of the set of local antennas of the first device; and forwarding, via the second communication link, representations of the uplink signals to the second device to enable said uplink signals to be transmitted to the base station via the at least one antenna of the set of auxiliary antennas of the second device.