User equipment for wirelessly communicating cellular signal with another user equipment

1. A user equipment comprising:

a baseband processor; and

a transceiver in communication with the baseband processor, the transceiver comprising a receive path and a transmit path, and the transceiver configurable into at least a first mode and a second mode;

wherein the receive path is coupled to the transmit path in an analog domain in the first mode, the receive path is configured to receive a receive downlink cellular signal in the first mode, and the transmit path is configured to output a transmit downlink cellular signal in the first mode;

wherein, in the first mode, the transceiver is further configured to receive a receive uplink cellular signal and to output a transmit uplink cellular signal; and

wherein, in the second mode, the transceiver is configured to generate an uplink radio frequency signal based on an output signal from the baseband processor, to process a received downlink radio frequency signal, and to downconvert the processed downlink radio frequency signal to baseband.

2. The user equipment of claim 1 , wherein the receive downlink cellular signal and the transmit downlink cellular signal are at substantially the same carrier frequency.

3. The user equipment of claim 1 , wherein the receive downlink cellular signal and the transmit downlink cellular signal are at different carrier frequencies.

4. The user equipment of claim 3 , wherein the transceiver comprises analog circuitry configured to frequency translate a radio frequency signal in the first mode, and wherein the receive downlink cellular signal and the transmit downlink cellular signal are within different frequency bands.

5. The user equipment of claim 1 , further comprising an antenna configured to transmit the transmit downlink cellular signal when the transceiver is in the first mode and to transmit the uplink radio frequency signal when the transceiver is in the second mode.

6. The user equipment of claim 5 , further comprising a switch configured to provide the transmit downlink cellular signal to the antenna when the transceiver is in the first mode, the switch configured to provide the uplink radio frequency signal to the antenna when the transceiver is in the second mode, and the switch configured change state corresponding to the transceiver toggling between the first mode and the second mode.

7. The user equipment of claim 6 , wherein the switch is configured to receive a control signal to control the switch to be in a state corresponding to the first mode during selected time slots in a traffic mode of the user equipment.

8. The user equipment of claim 6 , wherein the switch is configured to pass the received downlink radio frequency signal in the second mode.

9. The user equipment of claim 6 , wherein, in the first mode, the switch is configured to pass the receive uplink cellular signal.

10. The user equipment of claim 1 , wherein the transceiver is configured to cause the user equipment to function as a repeater in the first mode and to function as a transmit-receive point of a network system in a third mode.

11. The user equipment of claim 1 , wherein, in the first mode, the transceiver is configured to perform front haul processing.

12. A method of data transmission, the method comprising:

receiving, by a receive path of a first user equipment, a receive downlink cellular signal in a first mode, wherein the receive path of the first user equipment is coupled to a transmit path of the first user equipment in an analog domain in the first mode;

transmitting, via the transmit path of the first user equipment, a transmit downlink cellular signal to a second user equipment in the first mode;

receiving, by the first user equipment, a receive uplink cellular signal in the first mode; and

transmitting, by the first user equipment, a transmit uplink cellular signal to the second user equipment in the first mode;

toggling a mode of the first user equipment from the first mode to a second mode;

generating a transmit uplink cellular signal based on an output of a baseband processor of the first user equipment in the second mode; and

transmitting, by the first user equipment, the transmit uplink cellular signal in the second mode.

13. The method of claim 12 , wherein the first user equipment operates as a network repeater in the first mode.

14. The method of claim 12 , further comprising frequency translating the receive downlink cellular signal in the first mode such that the receive downlink cellular signal and the transmit downlink cellular signal have different carrier frequencies.

15. The method of claim 12 , wherein toggling the mode of the first user equipment comprises toggling a state of a switch.

16. The method of claim 12 , wherein the same antenna is configured to transmit the transmit downlink cellular signal and to transmit the transmit uplink cellular signal.

17. A user equipment comprising:

a baseband processor; and

a transceiver in communication with the baseband processor, the transceiver configurable into at least a virtual transmit-receive point mode and a traffic mode;

wherein, in the virtual transmit-receive point mode, the transceiver is configured to receive a downlink cellular signal, process the downlink cellular signal without demodulation to baseband and by at least frequency translating the downlink cellular signal, and output the processed received downlink cellular signal for wireless transmission by the user equipment; and

wherein, in the virtual transmit-receive point mode, the transceiver is further configured to receive an uplink cellular signal, process the uplink cellular signal without demodulation to baseband and by at least frequency translating the uplink cellular signal, and output the processed uplink cellular signal for wireless transmission by the user equipment; and

wherein, in the traffic mode, the transceiver is configured to generate an uplink radio frequency signal based on an output signal from the baseband processor, to process a received downlink radio frequency signal, and to downconvert the processed downlink radio frequency signal to baseband.

18. The user equipment of claim 17 , wherein the transceiver comprises a radio frequency protocol processing circuit configured to perform front haul processing on the downlink cellular signal.

19. The user equipment of claim 17 , wherein the transceiver comprises a radio frequency protocol processing circuit configured to perform front haul processing on the uplink cellular signal.

20. The user equipment of claim 17 , further comprising an antenna configured to transmit the processed uplink cellular signal when the transceiver is in the virtual transmit-receive point mode and to transmit the uplink radio frequency signal when the transceiver is in the traffic mode.

21. The user equipment of claim 20 , further comprising a switch configured to provide the processed uplink cellular signal to the antenna when the transceiver is in the virtual transmit-receive point mode, the switch configured to provide the uplink radio frequency signal to the antenna when the transceiver is in the traffic mode, and the switch configured change state corresponding to the transceiver toggling between the virtual transmit-receive point mode and the traffic mode.