Wireless Communication Techniques
Wireless communication techniques are described. In one or more implementations, techniques are described that involve active power control such that a device may bypass use of a power amplifier to communicate wirelessly. In one or more additional implementations, wireless communication techniques are described in which multiple bands may be leveraged to provide wireless communication. In one or more further implementations, wireless communication techniques are described in which a frame buffer on a receiving device is leveraged by a sending device. Yet further, in one or more implementations wireless communication techniques are described in which a sending device employs codec adaptation. Still yet further, in one or more implementations, wireless communication techniques are described which may be used to change characteristics of a channel used to communicate data. Yet further again, in one or more implementations, a receiving device is configured to adjust a display based on wireless communications received from a plurality of devices, such as to leverage a display by multiple wireless sources.
1 . A method comprising:
detecting by a sending device whether communications between a receiving device and sending device are comply with a predefined link quality;
responsive to a determination that the communications do comply with the predefined link quality bypassing a power amplifier of the sending device to transmit a wireless communication to be received by the sending device; and
responsive to a determination that the communications between the receiving device and the sending device do not comply with the predefined link quality, using the power amplifier of the sending device to transmit a wireless communication to be received by the sending device.
2 . A method as described in claim 1 , wherein the detecting is based at least in part on an error rate or a scan of the channels during one or more non-transmit cycles.
3 . A method as described in claim 1 , wherein the bypassing causes the power amplifier to be disabled.
4 . A method as described in claim 1 , wherein the bypassing is performed to turn off a supply rail to the power amplifier.
5 . A method as described in claim 1 , wherein the bypassing uses radio frequency (RF) switches to route a signal to the antenna and bypass the power amplifier.
6 . A method as described in claim 1 , wherein the wireless communication between the sending and receiving device is configured to communicate over short or medium ranges and is not configured for telephone communication.
7 . A method as described in claim 1 , wherein the wireless communication is configured for compatibility with Wi-Fi.
8 . A method as described in claim 1 , wherein the wireless communication is configured for compatibility with one or more Institute of Electrical and Electronics Engineers (IEEE) standards for wireless communication.
9 . A method comprising:
determining by a sending device that a second frame that is to be transmitted by the sending device to a receiving device includes at least a portion that is a repeat of a corresponding portion of a first frame that was transmitted by the sending device to the receiving device; and
responsive to the determination, causing at least a portion of the first frame, which matches the portion of the second frame, of the received device to be repeated for display by the receiving device without transmitting the portion of the second frame by the sending device.
10 . A method as described in claim 9 , wherein the receiving device employs a buffer that stores a copy of the portion of the first frame that is to be repeated.
11 . A method as described in claim 9 , wherein the causing is performed without transmitting controls signals or frames by the sending device to the receiving device.
12 . A method as described in claim 9 , further comprising responsive to the determination, entering a sleep mode by one or more hardware devices of the sending device until an update to the first frame is to be transmitted to the receiving device that includes content that is not included in the first frame.
13 . A method as described in claim 9 , further comprising responsive to the determination, reducing a transmission frame rate of the sending device to the receiving device.
14 . A method as described in claim 9 , wherein the sending device employs one or more extender concepts such that:
a video stream is sent independent of a user interface stream; and
updates for a subsection of a display that include the video stream are transmittable without sending an update to the user interface stream.
15 . A method as described in claim 14 , wherein an audio stream is sent independent of the video stream and the user interface stream such that an update to the audio stream is transmittable by the sending device without sending an update to the user interface stream or an update to the video stream.
16 . A method comprising:
receiving two or more streams wirelessly at a display device from respective two or more computing devices; and
automatically portioning a display area of the display device such that content from the two or more streams is displayable concurrently by the display device.
17 . A method as described in claim 16 , wherein the display device is configured for use as a three-dimensional display and content from a first said stream is viewable using a first pair of three-dimensional viewing glasses but not a second pair of three-dimensional viewing glasses and content from a second said stream is viewable using the second pair of three-dimensional viewing glasses but not the first pair of three-dimensional viewing glasses.
18 . A method as described in claim 16 , wherein data communicated via the two or more streams is formatted by respective said computing devices based at least on a respective portion via which the data is to be displayed by the display device.
19 . A method as described in claim 18 , wherein the reformatting includes adjusting an aspect ratio or resolution to approximate an aspect ratio or resolution of the respective portion.
20 . A method as described in claim 16 , wherein the portioning is performed such that one or more portions are resizable using picture-in-picture techniques.