BACKGROUND

[0001] The emergence and popularity of mobile computing has made portable electronic devices, due to their compact design and light weight, a staple in today’s marketplace. Within the mobile computing realm, electronic devices such as notebook computers, laptops, mobile phones, personal digital assistants, and the like may be widely used and may employ a clamshell-type design consisting of two housings connected at a common end via hinges. For example, a first or display housing is utilized to provide a viewable display while a second or base housing includes an area for input devices (e.g., a keyboard, a touch pad, and the like),

[0002] Due in part to their mobile nature, such electronic devices may often be provided with wireless communications capabilities, which may rely on antenna technology to radiate radio frequency (RF) signals for transmission as well as to gather RF broadcast signals for reception. Further, such electronic devices may include numerous electronic components such as processors, memory, graphics products, and other integrated circuits (ICs) that may generate heat.

BRIEF DESCRIPTION OF THE DRAWINGS

[0003] Examples are described in the following detailed description and in reference to the drawings, in which:

[0004] FIG. 1 is a schematic diagram of an example electronic device, depicting a support structure with an antenna disposed thereon;

[0005] FIG. 2A is a perspective bottom view of the example electronic device of FIG. 1 , depicting the support structure to cover/uncover a slot;

[0006] FIG. 2B is a schematic diagram of the example support structure of FIGs. 1 and 2A, depicting antennas disposed thereon; [0007] FIG. 3 is a schematic diagram of an example electronic device, depicting a processor to selectively connect a transceiver to a first antenna or a second antenna responsive to a position of a support structure;

[0008] FIG. 4A is a schematic diagram of an example electronic device, depicting a processor to cause a transceiver to selectively utilize a first antenna or a second antenna based on an operating mode;

[0009] FIG. 4B is a schematic diagram of the example electronic device of FIG. 4A, depicting additional features;

[0010] FIG. 4C is a block diagram of the example electronic device of FIG. 4B, depicting a switch to connect the transceiver to the first antenna in a normal- antenna performance mode;

[0011] FIG. 4D is a block diagram of the example electronic device of FIG. 4C, depicting the switch to connect the transceiver to the second antenna in a high- antenna performance mode;

[0012] FIG. 5 is a flowchart illustrating an example method tor activating a first antenna disposed on a support structure in a high-performance mode;

[0013] FIG. 6 is a flowchart illustrating another example method for activating a first antenna disposed on a support structure in a high-performance mode;

[0014] FIG. 7 is a flowchart illustrating yet another example method for activating a first antenna disposed on a support structure in a high-performance mode; and

[0015] FIG. 8 is a block diagram of an example electronic device including non- transitory machine-readable storage medium storing instructions to selectively utilize a first antenna or a second antenna based on an operating mode. DETAILED DESCRIPTION

[0016] Electronic devices such as mobile phones, notebooks, tablets, personal digital assistants (PDAs), or the like may have wireless communications capabilities. Such electronic devices may wirelessly communicate with a communications infrastructure to enable the consumption of digital media content. In order to wirelessly communicate with other devices, the electronic devices may be provided with antenna assemblies including antennas and antenna modules (i.e., transceivers to transmit and/or receive the antenna signals) to facilitate wireless communication with another communication device or a network.

[0017] An antenna is a device that emits or receives radio waves. WiFi® and Bluetooth® are wireless technologies that facilitate the transmission and reception of the radio waves by the electronic devices. An antenna may be used with a transmitter. The transmitter may generate a radio signal, which may be an alternating current. The antenna may emit the radio signal as electromagnetic energy termed radio waves. An antenna may also be used with a receiver. The receiver may receive a radio signal from an antenna and convert the information carried by the radio signal into a usable form. A radio device including both a transmitter and receiver may be termed a transceiver.

[0018] Some electronic devices may include multiple antennas to communicate with multiple different networks. For instance, an electronic device, such as a laptop, may include a Wireless Wide Area Network (WWAN) antenna to communicate with a wide area network (WAN) and a Wireless Local Area Network (WLAN) antenna to communicate with a local area network (LAN).

[0019] Electronic devices may include a display housing and a base housing pivotally, detachably, or twistably connected to the display housing. The antennas may be disposed as a fixed component either in the display housing or in the base housing. The placement of the antennas may enhance the antenna performance. For example, the reception and transmission capabilities of the antennas may change based on the placement and/or surroundings of the antenna. [0020] Thus, the performance of the antennas may be affected based on a physical configuration of the electronic device, which may change as a user uses, configures, and/or moves the electronic device. Antenna position may also affect specific absorption rate (SAR) measurements of the electronic devices. Further, such electronic devices may include numerous electronic components such as processors, memory, graphics products, and other integrated circuits (ICs) that may generate heaf, which can affect the operation efficiency. Also, the compact design (e.g., a narrow boarder and slim design) of the electronic devices may affect the antenna performance and heat dissipation from hot spot areas,

[0021] Examples described herein may provide an electronic device including a support structure (e.g., a moving or pop-out structure) with a controllable antenna function. The support structure may also cover/uncover a slot to enhance heat dissipation efficiency. In one example, the electronic device may include a first housing and a second housing (e.g. , that houses an input device) connected to the first housing. The second housing may be formed of a top cover (e.g., that accommodates the input device such as a keyboard and a touchpad on a surface) and a bottom cover (e.g., to support the electronic device on a support surface). The electronic device may include the support structure (e.g., a kickstand) rotatably connected to the bottom cover of the second housing to elevate the second housing above the support surface. The support structure may be operable between a closed position and an open position. Further, the electronic device may include an antenna positioned on the support structure. The antenna may move relative to the second housing as the support structure moves between the closed position and the open position.

[0022] Further, the second housing may include a slot defined corresponding to a hot spot area to dissipate heat from the hot spot area. In this example, the support structure may be designed to cover the slot in the closed position and uncover the slot in the open position. In one example, the position of the support structure and the antenna function may be controlled based on a physical configuration mode (e.g., a laptop mode, a tablet mode, or the like) of the electronic device and/or an operating mode (e.g., a high-performance mode) of the electronic device. In another example, the position of the support structure and the antenna function may be controlled manually, for instance, via a user interface.

[0023] Thus, examples described herein may provide the support structure with a high-performance antenna to enhance network throughput and/or central processing unit (CPU) performance. For example, examples described herein may enhance heat dissipation from hot spot areas to outside by opening or uncovering the slot through the support structure. Thus, examples described herein may extend a lifetime of electronic components such as a display panel, CPU, battery, and the like.

[0024] In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present techniques. However, the example apparatuses, devices, and systems, may be practiced without these specific details. Reference in the specification to “an example” or similar language means that a particular feature, structure, or characteristic described may be included in at least that one example but may not be in other examples.

[0025] Turning now to the figures, FIG. 1 is a schematic diagram of an example electronic device 100, depicting a support structure 110 with an antenna 112 disposed thereon. Example electronic device 100 may include a notebook computer, a tablet computer, a smart phone, a gaming laptop, a personal digital assistant, a convertible device, or any other computing device with a first housing 102 closeable onto a second housing 104. Example convertible device may refer to a device that can be “converted” from a laptop mode to a tablet mode. In the tablet mode, first housing 102 may be closed with a display panel facing up and viewable, i.e. , first housing 102 may be substantially parallel to and adjacent to second housing 104.

[0026] Electronic device 100 may include first housing 102, second housing 104 to house an input device 106, and a hinge assembly 108 to connect first housing 102 to second housing 104. In an example, hinge assembly 108 may pivotally connect first housing 102 and second housing 104 at a common end. Further, electronic device 100 may include support structure 110 rotatably connected to second housing 104 on a rear surface that is opposite to input device 106. in an example, support structure 110 may be operable between a closed position and an open position. In the open position, support structure 110 may elevate second housing 104 above a support surface. In this example, support structure 110 may elevate second housing 104 above the support surface at the common end. In other words, when support structure 110 is activated, an additional gap may be formed between electronic device 100 and the support surface (e.g., a table on which electronic device 100 is placed). For example, second housing 104 may be elevated to provide a comfortable hand position and reduce stress during typing, When support structure 110 is de-activated, support structure 110 may be closed to an area within second housing 104. Example support structure 110 may be a kickstand.

[0027] Further, electronic device 100 may include antenna 112 positioned on support structure 110. In an example, antenna 112 may move relative to second housing 104 as support structure 110 moves between the closed position and the open position. For example, antenna 112 may be utilized for fifth generation (5G), Long-Term Evolution (LTE), Wi-Fi, or other wireless communications, and thereby providing an additional wireless communication which enhances the connection speed and capacity.

[0028] FIG. 2A is a perspective bottom view of example electronic device 100 of FIG. 1 , depicting support structure 110 to cover/uncover a slot 202. For example, similarly named elements of FIG. 2A may be similar in structure and/or function to elements described with respect to FIG. 1. As shown in FIG. 2A, second housing 104 may include slot 202 defined corresponding to a hot spot area to dissipate heat from the hot spot area. The term “hot spot area" may refer to a region of second housing 104 where heat can be generated by components such as a CPU, printed circuit board (PCB), graphics processor, and the like.

[0029] For example, slot 202 may be an elongated slot, multiple elongated slots arranged in a plurality of rows, multiple slots arranged in a plurality of columns, or multiple slots arranged in a plurality of rows and columns. In this example, support structure 110 may cover siot 202 when support structure 110 is in the closed position relative to second housing 104. In another example, support structure 110 may uncover slot 202 when support structure 110 is in the open position relative to second housing 104 (e.g., as shown in FIG. 2A).

[0030] In some examples, second housing 104 may include a recess/groove 204 to accommodate support structure 110 when support structure 110 is closed relative to a rear surface 200 of second housing 104. In some examples, recess/groove 204 may be in the shape of support structure 110. For example, support structure 110 may occupy recess/groove 204 provided in rear surface 200 of second housing 104 when support structure 110 is retracted.

[0031] In one example, electronic device 100 may be provided with support structure 110 that is rotatably connected to rear surface 200 of second housing 104 via a hinge 206 (e.g., as shown in FIG. 2A). In another example, electronic device 100 may be provided with support structure 110 that is rotatably connected to side walls of second housing 104 via a hinge assembly. In this example, recess/groove 204 may be provided along the perimeter of second housing 104 to accommodate support structure 110 when support structure 110 is retracted. In yet another example, support structure 110 may be provided as a pop-out feature that can be built into electronic device 100 and can be popped out from rear surface 200 based on a trigger.

[0032] FIG. 2B is a schematic diagram of example support structure 110 of FIGs. 1 and 2A, depicting antennas 112A and 112B disposed thereon. For example, similarly named elements of FIG. 2B may be similar in structure and/or function to elements described with respect to FIGs. 1 and 2A. As shown in FIG. 2B, support structure 110 may include a metal portion 252 and a non-metal portion 254 (e.g., a plastic portion) formed on metal portion 252. In one example, antennas 112A and 112B (e.g., antenna 112 of FIG. 2A) may be positioned on non-metal portion 254. The combination of metal portion 252 and non-metal portion 254 may provide a mechanical strength for support structure 110. In another example, support structure 110 may be formed of a non-metallic material. In such examples, placing antennas 112A and 1 128 on the non-metallic or non-conductive material may prevent blockage of the antenna signals.

[0033] Furthermore, electronic device 100 (e.g., as shown in FIGs. 1 and 2A) may include coaxial cables 256A and 256B to connect respective antennas 112A and 112B to a transceiver. In this example, coaxial cables 256A and 256B may be routed through support structure 110. Even though examples in FIGs. 1 , 2A, and 2B describe about a U-shaped support structure, support structure 110 can also be provided in any other shape such as, but not limited to, I-shape, T-shape, inverted T-shape, rectangular-shape, and the like.

[0034] FIG. 3 is a schematic diagram of an example electronic device 300, depicting a processor 314 to selectively connect a transceiver 306 to a first antenna 304 or a second antenna 310 responsive to a position of a support structure 308. Example electronic device 300 may include a notebook computer, a tablet computer, a personal digital assistant, or the like.

[0035] Electronic device 300 may include a housing 302. For example, housing 302 may be a display housing, a keyboard housing, or a combination thereof. Further, electronic device 300 may include first antenna 304 disposed in housing 302. Furthermore, electronic device 300 may include transceiver 306 disposed in housing 302. For example, transceiver 306 may be a device that utilizes an antenna to transmit and/or receive data through a wireless connection (e.g., 5G, Wi-Fi, LTE, or the like).

[0036] Further, electronic device 300 may include support structure 308 disposed on a rear surface of housing 302. In an example, support structure 308 may be operable between a closed position and an open position. For example, support structure 308 may be rotatably connected to housing 302 on the rear surface to support multiple orientations (e.g., multiple viewing positions) of electronic device 300 relative to an adjacent surface.

[0037] Also, electronic device 300 may include second antenna 310 positioned on support structure 308. In an example, second antenna 310 may move relative to housing 302 as support structure 308 moves between the closed position and the open position. Furthermore, electronic device 300 may include a switch 312 connected to first antenna 304, second antenna 310, and transceiver 306. Also, electronic device 300 may include processor 314 to operate switch 312 to selectively connect transceiver 306 to first antenna 304 or second antenna 310 responsive to a position of support structure 308.

[0038] In an example, processor 314 may operate switch 312 to connect transceiver 306 to first antenna 304 when support structure 308 is in the closed position, in response to a first control signal from processor 314, switch 312 may connect transceiver 306 to first antenna 304. In another example, processor 314 may operate switch 312 to connect transceiver 306 to second antenna 310 when support structure 308 is in the open position. In response to a second control signal from processor 314, switch 312 may connect transceiver 306 to second antenna 310. For example, processor 314 may generate the first control signal and the second control signal based on the position of support structure 308.

[0039] In an example, processor 314 may detect a physical configuration mode of electronic device 300. Example physical configuration mode may include a clamshell-closed mode, a tablet mode, a tent mode, a laptop steady mode, or a laptop movement mode. Further, processor 314 may control the position of support structure 308 based on the physical configuration mode. For example, processor 314 may move support structure 308 to the open position when the angle of rotation between a first housing (e.g., that houses a display) and a second housing (e.g,, that houses an input device) is in a range of 0 to 180 degrees. In another example, processor 314 may move support structure 308 to the closed position when the angle of rotation between the first housing and the second housing is in a range of 180 to 360 degrees. The angle of rotation between the first housing and the second housing may be measured using a sensor (e.g., a hall sensor),

[0040] In other examples, processor 314 may control a position of support structure 308 based on a movement of electronic device 300. For example, the movement of electronic device 300 may be detected using an accelerometer sensor/gravitational sensor. In this example, processor 314 may move support structure 308 to the dosed position when a movement of electronic device 300 is detected, electronic device 300 is on human body and handheld, or the like, which may affect support structure 308.

[0041] Also, housing 302 may include a slot defined corresponding to a hot spot area to dissipate heat from the hot spot area. In this example, support structure 308 may cover the slot in the closed position and uncover the slot in the open position to enhance heat dissipation. In some examples, electronic device 300 may include a sensor disposed or otherwise located in or near an interior area of housing 302 to determine or otherwise detect temperature conditions within the interior area of housing 302. In some examples, the temperature readings or measurements obtained by the sensor may be received by processor 314 and compared to reference temperature data stored in a memory.

[0042] If a temperature measurement or reading detected by the sensor exceeds a temperature threshold, processor 314 may move support structure 308 to the open position to uncover the slot. Further, if the temperature reading or measurement detected by the sensor falls below the temperature threshold, processor 314 may move support structure 308 to the closed position to cover the slot.

[0043] FIG. 4A is a schematic diagram of an example electronic device 400, depicting a processor 418 to cause a transceiver 412 to selectively utilize a first antenna 410 or a second antenna 416 based on an operating mode. Electronic device 400 may include a first housing 402, a second housing 404 to house an input device 406. and a hinge 408 to connect first housing 402 and second housing 404. First housing 402 may house a display panel and second housing 404 may house a keyboard, touchpad, battery, and the like. Example display panel may include liquid crystal display (LCD), light-emitting diode (LED) display, electro- luminescent (EL) display, or the like. Electronic device 400 may be equipped with other components such as a camera, audio/video devices, and the like, depending on the functions of electronic device 400. [0044] Further, electronic device 400 may include first antenna 410 disposed in first housing 402. Furthermore, electronic device 400 may include transceiver 412 disposed in second housing 404. Also, electronic device 400 may include a support structure 414 disposed on a bottom surface (e.g., opposite surface to the input device 406) of second housing 404. In an example, support structure 414 may be operable between a closed position and an open position. For example, support structure 414 may pop-out of second housing 404 to elevate second housing 404 above a support surface (e.g., a table). In other examples, support structure 414 may be rotatably coupled to second housing 404 at the bottom surface.

[0045] Furthermore, electronic device 400 may include second antenna 416 positioned on support structure 414. In an example, second antenna 416 may move relative to second housing 404 as support structure 414 moves between the closed position and the open position. Also, electronic device 400 may include processor 418. During operation, processor 418 may determine an operating mode of electronic device 400 in response to a detection that support structure 414 is in the open position. Further, processor 418 may cause transceiver 412 to selectively utilize first antenna 410 or second antenna 416 based on the operating mode. When the operating mode is a high-antenna performance mode (e.g., that involves a high antenna performance), processor 418 may cause transceiver 412 to utilize second antenna 416. When the operating mode is a normal-antenna performance mode (e.g., that involves a normal antenna performance), processor 418 may cause transceiver 412 to utilize first antenna 410.

[0046] In an example, processor 418 may detect a physical configuration mode of electronic device 400. Example physical configuration mode may include a clamshell-closed mode, a tablet mode, a tent mode, a laptop steady mode, a laptop movement mode, or the like. Further, processor 418 may control a position of support structure 414 based on a combination of the physical configuration mode and the operating mode. In another example, processor 418 may control a position of support structure 414 based on a movement of electronic device 400. In yet another example, processor 418 may control a position of support structure 414 based on a manual input. [0047] In an example, processor 418 may move support structure 414 to the open position when the physical configuration mode and the operating mode include the laptop steady mode and the high-antenna performance mode, respectively. In another example, processor 418 may also move support structure 414 to the open position when the physical configuration mode and the operating mode include the laptop steady mode and the normal-antenna performance mode, respectively. In yet another example, processor 418 may move support structure 414 to the closed position when physical configuration mode includes the laptop movement mode, tablet mode, or the like.

[0048] FIG. 4B is a schematic diagram of example electronic device 400 of FIG. 4A, depicting additional features. For example, similarly named elements of FIG. 4B may be similar in structure and/or function to elements described with respect to FIG. 4A. As shown in FIG. 4B, electronic device 400 may include a switch 452 connected to first antenna 410, second antenna 416, and transceiver 412. In an example, processor 418 may control switch 452 to cause transceiver 412 to selectively utilize first antenna 410 or second antenna 416 based on the operating mode. An example operation to control switch 452 may be explained in FIGs. 4C and 4D.

[0049] FIG. 4C is a block diagram of example electronic device 400 of FIG. 4B, depicting switch 452 fo connect transceiver 412 to first antenna 410 (e.g., antennas 410A and 410B) in a normal-antenna performance mode. FIG. 4D is a block diagram of example electronic device 400 of FIG. 4C, depicting switch 452 to connect transceiver 412 to second antenna 416 (e.g., antennas 416A and 4168) in a high-antenna performance mode. For example, similarly named elements of FIGs. 4C and 4D may be similar in structure and/or function to elements described with respect to FIG. 4B.

[0050] Further, a control signal bus 454 may facilitate a communication link between switch 452 and transceiver 412. As shown in FIG. 4C. switch 452 may connect transceiver 412 to first antennas 410A and 410B (e.g., antenna 410) upon receiving a control signal from the processor in the normal-antenna performance mode. As shown in FIG. 4D, switch 452 may connect transceiver 412 to second antennas 416A and 416B (e.g., antenna 416) upon receiving a control signal from the processor in the high-antenna performance mode (e.g., that involves high- antenna performance). In some examples, performance of antennas 410A and 410B may be different from antennas 416A and 416B.

[0051] For example, antennas 410A, 410B, 416A, and 416B may include an antenna with resonating elements that are formed from loop antenna structures, patch antenna structures, inverted~F antenna structures, slot antenna structures, planar inverted-F antenna structures, helical antenna structures, hybrids of these designs, and the like. Different types of antennas may be used for different bands and combinations of bands. For example, one type of antenna may be used in forming a local wireless link antenna and another type of antenna may be used in forming a remote wireless link antenna. In the examples shown in FIGs. 4C and 4D, transceiver 412 utilizes two antennas to transmit/receive signals, however, examples described herein can be applicable to “N” number of antennas depending on a design of transceiver 412.

[0052] FIG. 5 is a flowchart illustrating an example method 500 for activating a first antenna disposed on a support structure in a high-performance mode. Example support structure may be a kickstand of an electronic device. The electronic device may include a first antenna disposed on the support structure and a second antenna disposed within an interior of the electronic device. For example, the first antenna may have high performance (e.g., gain, bandwidth, radiation pattern, and the like) compared to the second antenna. Further, the first antenna may move along with the support structure as the support structure moves between a closed position and an open position.

[0053] At 502, a check may be made to determine whether the electronic device is in a notebook mode. For example, the electronic device may include a first housing including a display panel and a second housing including a keyboard that is pivotally connected to the first housing. The term “notebook mode” may refer to a physical configuration in which an angle of rotation between the first housing and the second housing is in a range of 0-180 degrees while the electronic device is powered-on. For example, a hall sensor may be used to determine the physical configuration of the electronic device.

[0054] When the electronic device is in any other mode (e.g., a tent mode, tablet mode, or the like in which the angle of rotation between the first housing and the second housing is greater than 180 degrees), the support structure may remain in a closed position or move to the closed position, at 504. When the support structure is in the closed position, the first antenna may be de-activated, and the second antenna may be activated. When the electronic device is in the notebook mode, at 506, a check may be made to determine whether a movement of the electronic device is detected. For example, an accelerometer sensor/gravitational sensor may be used to determine the movement of the electronic device. When the movement of the electronic device is detected, the support structure may remain in a closed position or moved to the closed position, at 508.

[0055] When a movement of the electronic device is not detected, at 510, a check may be made to detect whether the electronic device is operating in a high- performance mode for the antenna or a normal-performance mode for the antenna. For example, the electronic device may be detected to be operating in the high- performance mode when an alternate current (AC) adaptor or an external monitor Is connected to the electronic device. In the “high-performance mode”, the electronic device may have to be connected to the first antenna (e.g., having a significantly strong Wi-Fi coverage). In the “normal-performance mode", the electronic device may have to be connected to the second antenna.

[0056] When the electronic device is operating in the high-performance mode, at 514, a support structure of the electronic device may be opened to provide an enhanced antenna performance and thermal dissipation. Upon moving the support structure to the open position, the first antenna may be activated, and the second antenna may be de-activated. In addition, the heat dissipation of the electronic device may be enhanced when the support structure is in the open position. Further, a notification (e.g., a pop out dialog) may be displayed on a user interface to notify that the electronic device is operating in the high-performance mode. [0057] When the electronic device is not operating in the high-performance mode, the electronic device may be detected to be operating in the normal performance mode, at 512. In this example, the first antenna may be de-activated, and the second antenna disposed in the electronic device may be activated. In the normal performance mode, the support structure can be opened to provide an enhanced thermal dissipation, at 516. In both the high-performance mode and the normal-performance mode for the antenna, the compute hardware such as a CPU may generate heat. In such examples, the support structure can be opened to enhance the heat dissipation of the electronic device. Similarly, the support structure can be closed, and the antenna configuration can be switched either based on the physical configuration and the operating mode of the electronic device or manually via a user interface.

[0058] FIG. 6 is a flowchart illustrating another example method 600 for activating a first antenna disposed on a support structure in a high-performance mode. Example support structure may be a kickstand. The electronic device may include the first antenna disposed on the support structure and a second antenna disposed within an interior of the electronic device. At 60.2, a check may be made to determine whether an electronic device is in a notebook mode (i.e., an angle of rotation between a first housing and a second housing is in a range of 0-180 degrees). For example, a hall sensor may be used to determine the angle of rotation between the first housing and the second housing.

[0059] When the electronic device is in any other mode (e.g., the angle of rotation between the first housing and the second housing is greater than 180 degrees), the support structure may remain in a closed position or move to the closed position, at 604. When the support structure is in the closed position, the first antenna may be de-activated, and the second antenna may be activated. When the electronic device is in the notebook mode, at 606, a check may be made to determine whether a movement of the electronic device is detected. For example, an accelerometer sensor/gravitational sensor may be used to determine the movement of the electronic device. When the movement of the electronic device is detected, the support structure may remain in the closed position or moved to the closed position, at 608. [0060] When a movement of the electronic device is not detected, at 610, a check may be made to automatically detect whether the electronic device is operating in a high-performance mode for the antenna. For example, the electronic device may be detected to be operating in the high-performance mode when an AC adaptor or an external monitor is connected to the electronic device. When the electronic device is operating in the high-performance mode, at 614, a support structure of the electronic device may be opened to provide an enhanced antenna performance and thermal dissipation. In this example, the first antenna disposed on the support structure may be activated and the second antenna may be de- activated upon moving the support structure to the open position. In addition, the heat dissipation of the electronic device may be enhanced when the support structure is in the open position.

[0061] When the high-performance mode of the electronic device is not automatically detected, then a user interface may be provided to manually control the position of the support structure and to activate/deactivate the first antenna, at 612. For example, the electronic device may be detected to be not operating in the high-performance mode when no AC adaptor or external monitor is connected to the electronic device. Further, the method 600 goes to block 614. In other examples, when the electronic device is operating in the other modes, the user interface may be provided to manually control the position of the support structure, at 616. In this example, the support structure can be opened to provide an enhanced thermal dissipation, at 618.

[0062] FIG. 7 is a flowchart illustrating another example method 700 for activating an antenna disposed on a support structure in a high-performance mode. At 702, a lid-closed mode or clamshell-closed mode of the electronic device may be detected. The term “lid-closed mode” may refer to a physical configuration in which a display screen of the first housing is facing a keyboard of the second housing and the two are parallel while the electronic device is powered-on. For example, a hall sensor may be used to determine the lid-closed mode of the electronic device. When the electronic device is in the lid-closed mode, at 704, a check may be made to determine whether a movement of the electronic device is detected. For example, an accelerometer sensor/gravitational sensor may be used to determine the movement of the electronic device. When the movement of the electronic device is detected, the support structure may remain in a dosed position or moved to the closed position, at 706.

[0063] When a movement of the electronic device is not detected, at 708, a check may be made to detect whether the electronic device is operating in a high- performance mode for the antenna or a normal-performance mode for the antenna. When the electronic device is operating in the high-performance mode, at 710, a support structure of the electronic device may be opened to provide an enhanced antenna performance and thermal dissipation. For example, the first antenna disposed on the support structure may be activated upon moving the support structure to the open position. In addition, the heat dissipation of the electronic device may be enhanced when the support structure is in the open position.

[0064] When the electronic device is not operating in the high-performance mode, the electronic device may be detected to be operating in the normal performance mode, at 712. In this example, the first antenna may be de-activated, and the second antenna disposed in the electronic device may be activated. In the normal performance mode, the support structure can be opened to provide an enhanced thermal dissipation, at 714.

[0065] It should be understood that method 500, 600, or 700 depicted in FIGs. 5, 6, or 7 represents generalized illustrations, and that other processes may be added, or existing processes may be removed, modified, or rearranged without departing from the scope and spirit of the present application. In addition , it should be understood that the processes may represent instructions stored on a computer-readable storage medium that, when executed, may cause a processor to respond, to perform actions, to change states, and/or to make decisions. The processes of method 500, 600, or 700 may represent functions and/or actions performed by functionally equivalent circuits like analog circuits, digital signal processing circuits, application specific integrated circuits (ASICs), or other hardware components associated with the system, Furthermore, example method 500, 600, or 700 may not be intended to limit the implementation of the present application, but rather example method 500, 600„ or 700 illustrates functional information to design/fabricate circuits, generate machine-readable instructions, or use a combination of hardware and machine-readable instructions to perform the illustrated processes.

[0066] FIG. 8 is a block diagram of an example electronic device 800 including non-transifory machine-readable storage medium 804 storing instructions (e.g., 806 to 812) to selectively utilize a first antenna or a second antenna based on an operating mode. Electronic device 800 may include a processor 802 and machine- readable storage medium 804 communicatively coupled through a system bus. Processor 802 may be any type of central processing unit (CPU), microprocessor, or processing logic that interprets and executes machine-readable instructions stored in machine-readable storage medium 804.

[0067] Machine-readable storage medium 804 may be a random-access memory (RAM) or another type of dynamic storage device that may store information and machine-readable instructions that may be executed by processor 802. For example, machine-readable storage medium 804 may be synchronous DRAM (SDRAM), double data rate (DDR), rambus DRAM (RDRAM), rambus RAM, etc., or storage memory media such as a floppy disk, a hard disk, a CD-ROM, a DVD, a pen drive, and the like. In an example, machine-readable storage medium 804 may be non-transitory machine-readable medium. Machine-readable storage medium 804 may be remote but accessible to electronic device 800.

[0068] As shown in FIG. 8, machine-readable storage medium 804 may store instructions 806-812. In an example, instructions 806-812 may be executed by processor 802 to selectively utilize the first antenna or the second antenna. Instructions 806 may be executed by processor 802 to detect a physical configuration mode of electronic device 800. Instructions 808 may be executed by processor 802 to control a position of a support structure (e.g., a kickstand) based on the physical configuration mode.

[0069] Instructions 810 may be executed by processor 802 to determine an operating mode (e.g., a high-performance mode or a normal-performance mode) of the electronic device in response to a detection that the support structure is in an open position. Instructions 812 may be executed by processor 802 to cause a transceiver to selectively utilize the first antenna (e.g., disposed on the support structure) or the second antenna (e.g., disposed within the electronic device) based on the operating mode.

[0070] The above-described examples are for the purpose of illustration. Although the above examples have been described in conjunction with example implementations thereof, numerous modifications may be possible without materially departing from the teachings of the subject matter described herein. Other substitutions, modifications, and changes may be made without departing from the spirit of the subject matter. Also, the features disclosed in this specification (including any accompanying claims, abstract, and drawings), and/or any method or process so disclosed, may be combined in any combination, except combinations where some of such features are mutually exclusive.

[0071] The terms “include,” “have,” and variations thereof, as used herein, have the same meaning as the term “comprise" or appropriate variation thereof. Furthermore, the term “based on”, as used herein, means “based at least in part on." Thus, a feature that is described as based on some stimulus can be based on the stimulus or a combination of stimuli including the stimulus. In addition, the terms “first" and “second” are used to identify individual elements and may not meant to designate an order or number of those elements.

[0072] The present description has been shown and described with reference to the foregoing examples. It is understood, however, that other forms, details, and examples can be made without departing from the spirit and scope of the present subject matter that is defined in the following claims.