1. A method of wireless communication, comprising:
receiving priority information indicating a priority for performing at least one of a wide area network (WAN) operation or a device-to-device (D2D) operation using a downlink receive chain; and
performing the WAN operation or the D2D operation using the downlink receive chain according to the priority.
2. The method of claim 1,
wherein the D2D operation is performed when the priority information indicates that the D2D operation has a greater priority than the WAN operation, the performing the D2D operation comprising tuning the downlink receive chain to receive on uplink resources and performing the D2D operation on the uplink resources using the tuned downlink receive chain; and
wherein the WAN operation is performed when the priority information indicates that the WAN operation has a greater priority than the D2D operation.
3. The method of claim 2, further comprising:
receiving additional information when the priority information indicates that the D2D operation has the greater priority than the WAN operation.
4. The method of claim 3, wherein the additional information indicates at least one of:
downlink resources for performing the WAN operation;
a specific downlink receive chain of a plurality of receive chains to use for the D2D operation; or
a D2D resource band on which the downlink receive chain is to be used for the D2D operation.
5. The method of claim 2, wherein:
the D2D operation comprises D2D discovery or a D2D communication with a peer device using the tuned downlink receive chain; and
the WAN operation comprises receiving WAN paging or receiving a physical downlink control channel (PDCCH) using the downlink receive chain.
6. The method of claim 5, wherein the WAN operation is scheduled to be performed according to a semi-persistent schedule (SPS),
wherein the WAN operation has the greater priority than the D2D operation when the D2D operation comprises the D2D discovery, and
wherein the D2D operation has the greater priority than the WAN operation when the D2D operation comprises a D2D communication with the peer device related to public safety.
7. A method of wireless communication performed by a scheduler, comprising:
determining downlink resources on which a wide area network (WAN) operation is performed;
refraining from scheduling the WAN operation on the downlink resources when the WAN operation is not scheduled or expected to be scheduled on the downlink resources; and
sending to a device priority information indicating a priority for the device to perform at least one of the WAN operation or a device-to-device (D2D) operation using a downlink receive chain when the WAN operation is scheduled or expected to be scheduled on the downlink resources.
8. The method of claim 7, wherein:
the device is indicated to tune the downlink receive chain to receive on uplink resources and perform the D2D operation on the uplink resources using the tuned downlink receive chain when the priority information indicates that the D2D operation has a greater priority than the WAN operation; and
the device is indicated to perform the WAN operation using the downlink receive chain when the priority information indicates that the WAN operation has a greater priority than the D2D operation.
9. The method of claim 8, further comprising:
sending to the device additional information when the priority information indicates that the D2D operation has the greater priority than the WAN operation.
10. The method of claim 9, wherein the additional information indicates at least one of:
downlink resources for the device to perform the WAN operation;
a specific downlink receive chain of a plurality of receive chains for the device to use for the D2D operation; or
a D2D resource band on which the downlink receive chain is to be used by the device for the D2D operation.
11. The method of claim 8, wherein:
the D2D operation comprises D2D discovery or a D2D communication between the device and a peer device using the tuned downlink receive chain; and
the WAN operation comprises the device receiving WAN paging or receiving a physical downlink control channel (PDCCH) using the downlink receive chain.
12. The method of claim 11, wherein the WAN operation is scheduled to be performed according to a semi-persistent schedule (SPS),
wherein the WAN operation has the greater priority than the D2D operation when the D2D operation comprises the D2D discovery, and
wherein the D2D operation has the greater priority than the WAN operation when the D2D operation comprises a D2D communication between the device and the peer device related to public safety.
13. An apparatus for wireless communication, comprising:
means for receiving priority information indicating a priority for performing at least one of a wide area network (WAN) operation or a device-to-device (D2D) operation using a downlink receive chain; and
means for performing the WAN operation or the D2D operation using the downlink receive chain according to the priority.
14. The apparatus of claim 13,
wherein the D2D operation is performed when the priority information indicates that the D2D operation has a greater priority than the WAN operation, the means for performing the D2D operation configured to tune the downlink receive chain to receive on uplink resources and perform the D2D operation on the uplink resources using the tuned downlink receive chain; and
wherein the WAN operation is performed when the priority information indicates that the WAN operation has a greater priority than the D2D operation.
15. The apparatus of claim 14, further comprising:
means for receiving additional information when the priority information indicates that the D2D operation has the greater priority than the WAN operation.
16. The apparatus of claim 15, wherein the additional information indicates at least one of:
downlink resources for performing the WAN operation;
a specific downlink receive chain of a plurality of receive chains to use for the D2D operation; or
a D2D resource band on which the downlink receive chain is to be used for the D2D operation.
17. The apparatus of claim 14, wherein:
the D2D operation comprises D2D discovery or a D2D communication with a peer device using the tuned downlink receive chain; and
the WAN operation comprises receiving WAN paging or receiving a physical downlink control channel (PDCCH) using the downlink receive chain.
18. The apparatus of claim 17, wherein the WAN operation is scheduled to be performed according to a semi-persistent schedule (SPS),
wherein the WAN operation has the greater priority than the D2D operation when the D2D operation comprises the D2D discovery, and
wherein the D2D operation has the greater priority than the WAN operation when the D2D operation comprises a D2D communication with the peer device related to public safety.
19. An apparatus for wireless communication, comprising:
means for determining downlink resources on which a wide area network (WAN) operation is performed;
means for refraining from scheduling the WAN operation on the downlink resources when the WAN operation is not scheduled or expected to be scheduled on the downlink resources; and
means for sending to a device priority information indicating a priority for the device to perform at least one of the WAN operation or a device-to-device (D2D) operation using a downlink receive chain when the WAN operation is scheduled or expected to be scheduled on the downlink resources.
20. The apparatus of claim 19, wherein:
the device is indicated to tune the downlink receive chain to receive on uplink resources and perform the D2D operation on the uplink resources using the tuned downlink receive chain when the priority information indicates that the D2D operation has a greater priority than the WAN operation; and
the device is indicated to perform the WAN operation using the downlink receive chain when the priority information indicates that the WAN operation has a greater priority than the D2D operation.
21. The apparatus of claim 20, further comprising:
means for sending to the device additional information when the priority information indicates that the D2D operation has the greater priority than the WAN operation.
22. The apparatus of claim 21, wherein the additional information indicates at least one of:
downlink resources for the device to perform the WAN operation;
a specific downlink receive chain of a plurality of receive chains for the device to use for the D2D operation; or
a D2D resource band on which the downlink receive chain is to be used by the device for the D2D operation.
23. The apparatus of claim 20, wherein:
the D2D operation comprises D2D discovery or a D2D communication between the device and a peer device using the tuned downlink receive chain; and
the WAN operation comprises the device receiving WAN paging or receiving a physical downlink control channel (PDCCH) using the downlink receive chain.
24. The apparatus of claim 23, wherein the WAN operation is scheduled to be performed according to a semi-persistent schedule (SPS),
wherein the WAN operation has the greater priority than the D2D operation when the D2D operation comprises the D2D discovery, and
wherein the D2D operation has the greater priority than the WAN operation when the D2D operation comprises a D2D communication between the device and the peer device related to public safety.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A rear-view mirror with a front and rear bidirectional lens and a screen for displaying images, comprising:
a mirror body disposed at a windshield in the front of a car, for a driver to obtain a rear image of the car by observing the mirror body;
an image-capturing unit disposed in the mirror body, having a first lens and a second lens shown on the mirror body, wherein the first lens is used to capture a front image of the car, and the second lens is used to capture the rear image of the car; and
an image-displaying unit disposed in the mirror body, having a display shown on the mirror body or hidden at the backside of the mirror body, wherein the display is used to display the front image of the car captured by the first lens andor the rear image of the car captured by the second lens.
2. The rear-view mirror with a front and rear bidirectional lens and a screen for displaying images as claimed in claim 1 further comprising a data storage unit disposed in the mirror body, having a built-in memory and a hard disk, wherein the built-in memory is used to store an image-capturing program andor an image-displaying program; the image-capturing program is used to direct the first lens andor the second lens to capture images and store the images to the hard disk; the image-displaying program is used to further direct the display to display the image data stored in the hard disk.
3. The rear-view mirror with a front and rear bidirectional lens and a screen for displaying images as claimed in claim 2, wherein the data storage unit further includes an expansion slot and an external memory card; the expansion slot is disposed on the mirror body; the external memory card is plugged in the expansion slot for storing the image data captured by the first lens andor the second lens or the image data stored in the hard disk.
4. The rear-view mirror with a front and rear bidirectional lens and a screen for displaying images as claimed in claim 2, wherein the data storage unit further includes a transmission slot and a cassette magnetic disk; the transmission slot is disposed on the mirror body; the cassette magnetic disk is plugged in the transmission slot for storing the image data captured by the first lens andor the second lens or the image data stored in the hard disk.
5. The rear-view mirror with a front and rear bidirectional lens and a screen for displaying images as claimed in claim 1 further comprising a prompt unit disposed in the mirror body.
6. The rear-view mirror with a front and rear bidirectional lens and a screen for displaying images as claimed in claim 5, wherein the prompt unit includes a global positioning system (GPS).
7. The rear-view mirror with a front and rear bidirectional lens and a screen for displaying images as claimed in claim 5, wherein the prompt unit includes a speed measuring radar.
8. The rear-view mirror with a front and rear bidirectional lens and a screen for displaying images as claimed in claim 7, wherein the speed measuring radar further includes a button shown on the mirror body, which is used for turning on or turning off the speed measuring radar.
9. The rear-view mirror with a front and rear bidirectional lens and a screen for displaying images as claimed in claim 1, wherein the first lens is a multiple-direction rotatable lens.
10. The rear-view mirror with a front and rear bidirectional lens and a screen for displaying images as claimed in claim 9, wherein the multiple-directions rotatable lens comprises a first rotatable seat and a second rotatable seat, and the first lens disposed on the first rotatable seat is adopted for capturing images from a first visual angle of the first direction rotated by the first rotatable seat, and the first lens and the first rotatable seat disposed on the second rotatable seat is adopted for capturing images from a second visual angle of the first direction rotated by the second rotatable seat.
11. The rear-view mirror with a front and rear bidirectional lens and a screen for displaying images as claimed in claim 1, wherein the second lens is a multiple-directions rotatable lens.
12. The rear-view mirror with a front and rear bidirectional lens and a screen for displaying images as claimed in claim 11, wherein the multiple-direction rotatable lens comprises a first rotatable seat and a second rotatable seat, and the second lens disposed on the first rotatable seat is adopted for capturing images from a first visual angle of the second direction rotated by the first rotatable seat, and the second lens and the first rotatable seat disposed on the second rotatable seat is adopted for capturing images from a second visual angle of the second direction rotated by the second rotatable seat.