Method and apparatus for mitigating the effect of certain types of interference on a signal received in a wireless network
A system including an interference module. The interference module is configured to determine, based on first data to be transmitted from a wireless communication device, information about interference predicted to be caused by the first data being transmitted, and provide, to a receiver of the wireless communication device, the information about the predicted interference. A component of the receiver of the wireless communication device is configured to receive, from the interference module, the information about the predicted interference, and adjust, for a duration of the predicted interference, a function performed by the component of the receiver. The function performed by the component of the receiver is related to processing a signal received by the receiver of the wireless communication device.
1. A wireless communication device, comprising:
an interference circuit (i) receiving an indication from a first transceiver of the wireless communication device that the first transceiver intends to at least one of transmit and receive a known first data packet, (ii) determining information about interference predicted to be caused by the known first data packet being transmitted or received, wherein the known first data packet and the corresponding predicted interference are non-periodic, and (iii) providing, to a receiver of the wireless communication device, the information about the predicted interference;
an alignment circuit (i) determining, based on a signal received by the receiver, a desired transmission timing of the predicted interference and (ii) generating alignment information based on the desired transmission timing, wherein the alignment information corresponds to an arrangement of symbols in the received signal; and
a component circuit of the receiver of the wireless communication device, the component circuit of the receiver (i) receiving, from the interference circuit, the information about the predicted interference and (ii) adjusting, for a duration of the predicted interference, a function performed by the component circuit of the receiver, wherein the function performed by the component circuit of the receiver is related to processing the received signal while the known first data packet is being transmitted or received such that the received signal includes the predicted interference caused by the known first data packet being transmitted or received,
wherein, in adjusting the function performed by the component circuit of the receiver, the component circuit of the receiver suspends, for the duration of the predicted interference, at least one of
automatic gain control functions that are used to adjust gain to compensate for the predicted interference, and
signal measurement functions that are used to adjust calculation of signal characteristics to compensate for the predicted interference.
2. The wireless communication device of claim 1 , wherein the information about the predicted interference includes the duration of the predicted interference.
3. The wireless communication device of claim 1 , wherein the known first data packet corresponds to an acknowledgment packet to be transmitted by the first transceiver of the wireless communication device.
4. The wireless communication device of claim 1 , wherein (i) the known first data packet is to be transmitted by the first transceiver of the wireless communication device and (ii) the receiver corresponds to a second transceiver of the wireless communication device.
5. The wireless communication device of claim 4 , wherein (i) the first transceiver corresponds to a WiFi transceiver and (ii) the second transceiver corresponds to a long-term evolution transceiver.
6. The wireless communication device of claim 1 , wherein the component circuit of the receiver corresponds to an automatic gain control circuit, a synchronization circuit, a channel estimation circuit, a measurement circuit, and/or a data processing circuit of the receiver.
7. The wireless communication device of claim 1 , wherein the known first data packet is transmitted from the wireless communication device in accordance with the alignment information.
8. A method, comprising:
receive, at wireless communication device, an indication from a first transceiver of the wireless communication device that the first transceiver intends to at least one of transmit and receive a known first data packet;
determining information about interference predicted to be caused by the known first data packet being transmitted or received, wherein the known first data packet and the corresponding predicted interference are non-periodic;
providing, to a receiver of the wireless communication device, the information about the predicted interference; and
determining, based on a signal received by the receiver, a desired transmission timing of the predicted interference; and
generating alignment information based on the desired transmission timing, wherein the alignment information corresponds to an arrangement of symbols in the received signal; and
using a component circuit of the receiver of the wireless communication device
receiving the information about the predicted interference, and
adjusting, for a duration of the predicted interference, a function performed by the component circuit of the receiver, wherein the function performed by the component circuit of the receiver is related to processing the received signal, wherein the received signal includes the predicted interference caused by the known first data packet being transmitted or received,
wherein adjusting the function includes suspending, for the duration of the predicted interference, at least one of
automatic gain control functions that are used to adjust gain to compensate for the predicted interference, and
signal measurement functions that are used to adjust calculation of signal characteristics to compensate for the predicted interference.
9. The method of claim 8 , wherein receiving the information about the predicted interference includes receiving the duration of the predicted interference.
10. The method of claim 8 , wherein the known first data packet corresponds to an acknowledgment packet to be transmitted by the first transceiver of the wireless communication device.
11. The method of claim 8 , wherein (i) the known first data packet is to be transmitted by the first transceiver of the wireless communication device and (ii) the receiver corresponds to a second transceiver of the wireless communication device.
12. The method of claim 11 , wherein (i) the first transceiver corresponds to a WiFi transceiver and (ii) the second transceiver corresponds to a long-term evolution transceiver.
13. The method of claim 8 , wherein the component circuit of the receiver corresponds to an automatic gain control circuit, a synchronization circuit, a channel estimation circuit, a measurement circuit, and/or a data processing circuit of the receiver.
14. The method of claim 8 , further comprising transmitting the known first data packet from the wireless communication device in accordance with the alignment information.