Methods and devices for controlling receive configurations in wireless communications
View Patent ↗Methods and devices including a first receiver configured to demodulate a first down-converted signal; a second receiver configured to demodulate a second down-converted signal; and a controller configured to alternate between a first receive configuration, in which the first down-converted signal and the second down-converted signal are both received from a first radio network, and a second receive configuration, in which the first down-converted signal is received from the first radio network and the second down-converted signal is received from a second radio network.
1. A circuit, comprising:
a first receiver configured to demodulate a first down-converted signal, which is generated by a first radio frequency (RF) stage;
a second receiver configured to demodulate a second down-converted signal, which is generated by a second radio frequency (RF) stage; and
a controller configured to control the first RF stage and the second RF stage and the first receiver and the second receiver to alternate between a first receive configuration, in which the first down-converted signal and the second down-converted signal are both received from a first radio network, and a second receive configuration, in which the first down-converted signal is received from the first radio network and the second down-converted signal is received from a second radio network.
2. The circuit of claim 1 ,
wherein the second down-converted signal from the second radio network is a paging signal of a paging indicator channel of the second radio network.
3. The circuit of claim 2 ,
wherein the paging signal is a signal of a PICH of the second radio network.
4. The circuit of claim 1 ,
wherein the second down-converted signal from the second radio network is a signal in accordance with Universal Mobile Telecommunications System (UMTS).
5. The circuit of claim 1 ,
wherein the first down-converted signal from the first radio network is a speech signal of the first radio network.
6. The circuit of claim 1 ,
wherein the first down-converted signal from the first radio network is a signal in accordance with Long Term Evolution (LTE).
7. The circuit of claim 1 , further comprising:
the first RF stage configured to generate the first down-converted signal from a radio signal which is received at a first antenna; and
the second RF stage configured to generate the second down-converted signal from a radio signal which is received at a second antenna.
8. The circuit of claim 1 , further comprising:
a first antenna; and
a second antenna;
wherein the first antenna is coupled to the first RF stage; and
wherein the second antenna is coupled to the second RF stage.
9. The circuit of claim 1 ,
wherein the first receive configuration is a receive diversity mode; and
wherein the second receive configuration is a non-receive diversity mode.
10. A circuit, comprising:
a first receiver configured to demodulate a first down-converted signal down-converted by a first down-conversion frequency, which is generated by a first radio frequency (RF) stage;
a second receiver configured to demodulate a second down-converted signal down-converted by a second down-conversion frequency, which is generated by a second radio frequency (RF) stage;
a controller configured to control the first RF stage and the second RF stage and the first receiver and the second receiver to alternate between a first receive configuration, in which the first down-converted signal and the second down-converted signal are both received from a first radio network, and a second receive configuration, in which the first down-converted signal is received from the first radio network and the second down-converted signal is received from a second radio network;
wherein the first down-conversion frequency and the second down-conversion frequency are the same in the first receive configuration; and
wherein the first down-conversion frequency and the second down-conversion frequency are different from each other in the second receive configuration.
11. The circuit of claim 10 ,
wherein the first down-converted signal from the first radio network is a speech signal of the first radio network.
12. The circuit of claim 10 , further comprising:
the first RF stage configured to generate the first down-converted signal from a radio signal which is received at a first antenna; and
the second RF stage configured to generate the second down-converted signal from a radio signal which is received at a second antenna.
13. The circuit of claim 10 , further comprising:
a first antenna; and
a second antenna;
wherein the first antenna is coupled to the first RF stage; and
wherein the second antenna is coupled to the second RF stage.
14. The circuit of claim 10 ,
wherein the first receive configuration is a receive diversity mode; and
wherein the second receive configuration is a non-receive diversity mode.
15. A circuit, comprising:
at least one radio frequency (RF) stage;
a first receiver configured to demodulate a first signal which is generated by the at least one RF stage;
a second receiver configured to demodulate a second signal which is generated by the at least one RF stage;
a controller configured to control the at least one RF stage and the first receiver and the second receiver to alternate between a first receive configuration, in which the first signal and the second signal are both received from a first radio network, and a second receive configuration, in which the first signal is received from the first radio network and the second signal is received from a second radio network.
16. The circuit of claim 15 ,
wherein the signal from the first radio network is a speech signal of the first radio network.
17. The circuit of claim 15 ,
wherein the at least one RF stage comprises a first RF stage configured to generate the LTE signal from a radio signal which is received at a first antenna, and a second RF stage configured to generate the second signal from a radio signal which is received at a second antenna.
18. The circuit of claim 15 , further comprising:
first and second antennas coupled to the at least one RF stage.
19. A User Equipment, comprising:
a first subscriber identity module (SIM);
a second SIM;
a processor; and
a circuit arrangement, comprising:
at least one radio frequency (RF) stage;
a first receiver configured to demodulate a first signal which is generated by the at least one RF stage;
a second receiver configured to demodulate a second signal which is generated by the at least one RF stage;
a controller configured to control the at least one RF stage and the first receiver and the second receiver to alternate between a first receive configuration, in which the first signal and the second signal are both received from a first radio network supported by the first SIM, and a second receive configuration, in which the first signal is received from the first radio network supported by the first SIM and the second signal is received from a second radio network supported by the second SIM.
20. A method of operating a circuit, the method comprising:
generating a first signal and a second signal by at least one radio frequency (RF) stage;
demodulating the first signal at a first receiver;
demodulating the second signal at a second receiver; and
controlling the at least one RF stage and the first receiver and the second receiver to alternate between a first receive configuration, in which the first signal and the second signal are both received from a first radio network, and a second receive configuration, in which the first signal is received from the first radio network and the second signal is received from a second radio network.