Configuration switch trigger for audio device communication

Abstract

Aspects of the present disclosure generally relate to wireless communications. In some aspects, a wireless communication device (WCD) may communicate with an audio device via a wireless link using a first configuration having a first value for a communication parameter. The WCD may send an indication of a handover to a second configuration based at least in part on a configuration handover trigger based at least in part on one or more of a link quality metric associated with the wireless link or a change in usage state of the WCD, and the second configuration has a second value for the communication parameter associated with a reduction in voltage-induced interference in the audio output of the audio device. Numerous other aspects are described.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This patent application claims priority to U.S. Provisional Patent Application No. 63 / 378,340, filed on October 4, 2022, entitled “CONFIGURATION SWITCH TRIGGERS FOR AUDIO DEVICE COMMUNICATIONS,” and U.S. Non-Provisional Patent Application No. 18 / 309,690, filed on April 28, 2023, entitled “CONFIGURATION SWITCH TRIGGERS FOR AUDIO DEVICE COMMUNICATIONS,” which are expressly incorporated herein by reference. Technical Field

[0003] Aspects of the present disclosure generally relate to wireless communications and to techniques and apparatuses related to configuration switching triggers for audio device communications. Background Art

[0004] Wireless communication systems are widely deployed to provide various types of communication content, such as voice, video, packet data, messaging, broadcast, etc. These systems can be multi-access systems capable of supporting communication with multiple users by sharing available system resources (e.g., time, frequency, and power). A wireless network, such as a wireless local area network (WLAN) (such as a Wi-Fi (i.e., Institute of Electrical and Electronics Engineers (IEEE) 802.11) network) may include an access point (AP) that can communicate with one or more stations (STAs) or mobile devices. An AP can be coupled to a network (such as the Internet) and can enable mobile devices to communicate via the network (or to communicate with other devices coupled to the access point). A wireless device can communicate bidirectionally with a network device. For example, in a WLAN, a STA can communicate with an associated AP via a downlink and an uplink. A "downlink" may refer to a communication link from an AP to a station, and an "uplink" may refer to a communication link from a station to an AP.

[0005] An AP can be coupled to a network (such as the Internet) and can enable mobile devices to communicate via the network (or to communicate with other devices coupled to the access point). Wireless devices can communicate bidirectionally with network devices. For example, in a WLAN, a device can communicate with an associated AP via a downlink (e.g., a communication link from an AP to a device) and an uplink (e.g., a communication link from a device to an AP). A wireless personal area network (WPAN), which may include a Bluetooth connection, can provide a short-range wireless connection between two or more paired wireless devices. For example, a wireless device (such as a cellular phone) can utilize WPAN communications to exchange information (such as audio signals) with a wireless headset. Summary of the invention

[0006] Some aspects described herein relate to a method of performing wireless communications by a wireless communication device (WCD). The method may include communicating with an audio device via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or a modulation and coding scheme (MCS). The method may include sending an indication to switch to a second configuration based at least in part on a configuration switch trigger, the configuration switch trigger being based at least in part on one or more of the following: a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for the communication parameter (e.g., wherein at least one of the second values ​​for the communication parameter is different from the first value for the corresponding communication parameter).

[0007] Some aspects described herein relate to a wireless communication method performed by an audio device. The method may include communicating with a WCD via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS. The method may include receiving an indication of switching to a second configuration based at least in part on a configuration switching trigger, the configuration switching trigger being based at least in part on one or more of the following: a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for the communication parameter (e.g., wherein at least one of the second values ​​for the communication parameter is different from the first value for the corresponding communication parameter).

[0008] Some aspects described herein relate to a WCD for wireless communication. A wireless communication device may include a memory and one or more processors coupled to the memory. The one or more processors may be configured to communicate with an audio device via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS. The one or more processors may be configured to send an indication of switching to a second configuration based at least in part on a configuration switching trigger, the configuration switching trigger being based at least in part on one or more of the following: a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for the communication parameter (e.g., wherein at least one of the second values ​​for the communication parameter is different from the first value for the corresponding communication parameter).

[0009] Some aspects described herein relate to an audio device for wireless communication. The audio device may include a memory and one or more processors coupled to the memory. The one or more processors may be configured to communicate with a WCD via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS. The one or more processors may be configured to receive an indication of switching to a second configuration based at least in part on a configuration switching trigger, the configuration switching trigger being based at least in part on one or more of the following: a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for the communication parameter (e.g., wherein at least one of the second values ​​for the communication parameter is different from the first value for the corresponding communication parameter).

[0010] Some aspects described herein relate to a non-transitory computer-readable medium storing an instruction set for wireless communication by a WCD. The instruction set, when executed by one or more processors of the WCD, may cause the WCD to communicate with an audio device via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS. When executed by one or more processors of the WCD, the instruction set may cause the WCD to send an indication to switch to a second configuration based at least in part on a configuration switching trigger, the configuration switching trigger being based at least in part on one or more of the following: a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for the communication parameter (e.g., wherein at least one of the second values ​​for the communication parameter is different from the first value for the corresponding communication parameter).

[0011] Some aspects described herein relate to a non-transitory computer-readable medium storing an instruction set for wireless communication by an audio device. The instruction set, when executed by one or more processors of the audio device, may cause the audio device to communicate with a WCD via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS. When executed by one or more processors of the audio device, the instruction set may cause the audio device to receive an indication of switching to a second configuration based at least in part on a configuration switching trigger, the configuration switching trigger being based at least in part on one or more of the following: a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for the communication parameter (e.g., wherein at least one of the second values ​​for the communication parameter is different from the first value for the corresponding communication parameter).

[0012] Some aspects described herein relate to an apparatus for wireless communication. The apparatus may include: a unit for communicating with an audio device via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS. The apparatus may include a means for sending an indication of switching to a second configuration based at least in part on a configuration switching trigger, the configuration switching trigger being based at least in part on one or more of the following: a link quality metric associated with the wireless link or a change in a usage state of the apparatus, and the second configuration having a second value for the communication parameter (e.g., wherein at least one of the second values ​​for the communication parameter is different from the first value for the corresponding communication parameter).

[0013] Some aspects described herein relate to an apparatus for wireless communication. The apparatus may include means for communicating with a WCD via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS. The apparatus may include means for receiving an indication of switching to a second configuration based at least in part on a configuration switching trigger, the configuration switching trigger being based at least in part on one or more of the following: a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having second values ​​for the communication parameters (e.g., wherein at least one of the second values ​​for the communication parameters is different from the first value for the corresponding communication parameter).

[0014] Aspects generally include methods, apparatus, systems, computer program products, non-transitory computer-readable media, user equipment, base stations, network entities, network nodes, wireless communication devices, and / or processing systems as substantially described herein with reference to and as illustrated in the accompanying drawings, specifications, and appendices.

[0015] The features and technical advantages of the examples according to the present disclosure have been outlined quite extensively above so that the following detailed description may be better understood. Additional features and advantages will be described below. The disclosed concepts and specific examples may be easily used as the basis for modifying or designing other structures for the same purpose of performing the present disclosure. Such equivalent constructions do not depart from the scope of the appended claims. When considered in conjunction with the accompanying drawings, the characteristics of the concepts disclosed herein (both their organization and methods of operation) and the associated advantages will be better understood according to the following description. Each of the accompanying drawings is provided for the purpose of illustration and description, and not as a definition of limitations to the claims.

[0016] Although various aspects are described in the present disclosure by illustrating some examples, it will be understood by those skilled in the art that these aspects can be implemented in many different arrangements and scenarios. The technology described herein can be implemented using different platform types, devices, systems, shapes, sizes and / or packaging arrangements. For example, some aspects can be implemented via integrated chip embodiments or other devices based on non-module components (e.g., end-user devices, vehicles, communication devices, computing devices, industrial equipment, retail / purchase equipment, medical devices and / or artificial intelligence devices). Various aspects can be implemented in chip-level components, modular components, non-modular components, non-chip-level components, device-level components and / or system-level components. The device in combination with the described aspects and features may include additional components and features for the implementation and practice of the claimed and described aspects. For example, the transmission and reception of wireless signals may include one or more components for analog and digital purposes (e.g., hardware components including antennas, radio frequency chains, power amplifiers, modulators, buffers, processors, interleavers, adders and / or summers). The various aspects described herein are intended to be practiced in various devices, components, systems, distributed arrangements and / or end-user devices of various sizes, shapes and configurations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order that the above-mentioned features of the present disclosure may be understood in detail, a more specific description briefly summarized above may be obtained by reference to various aspects, some of which are illustrated in the accompanying drawings. However, it should be noted that the accompanying drawings illustrate only certain typical aspects of the present disclosure and therefore should not be considered as limiting the scope thereof, as the description may allow for other equally effective aspects. The same reference numerals in different drawings may identify the same or similar elements.

[0018] Figure 1 A wireless communication system (also referred to as a wireless local area network (WLAN) or Wi-Fi network) configured in accordance with the present disclosure is shown.

[0019] Figure 2 An example of a wireless communication system supporting low-latency parameter updates for extending a personal audio network according to the present disclosure is shown.

[0020] Figure 3 An example of an audio device according to the present disclosure is shown.

[0021] Figure 4 An example of a target wake time (TWT) packet sequence according to the present disclosure is shown.

[0022] Figure 5 is a diagram of an example associated with a configuration switching trigger for audio device communications according to the present disclosure.

[0023] Figure 6 is a diagram of an example associated with a configuration switching trigger for audio device communications according to the present disclosure.

[0024] Figure 7 is a diagram illustrating an example process performed, for example, by a WCD, according to the present disclosure.

[0025] Figure 8 is a diagram illustrating an example process performed, for example, by an audio device according to the present disclosure.

[0026] Fig. 9 is a diagram of an exemplary apparatus for wireless communications according to the present disclosure.

[0027] Fig.10 is a diagram of an exemplary apparatus for wireless communications according to the present disclosure. DETAILED DESCRIPTION

[0028] Various aspects of the present disclosure are described more fully below with reference to the accompanying drawings. However, the present disclosure can be embodied in many different forms and should not be construed as being limited to any specific structure or function given throughout the present disclosure. On the contrary, these aspects are provided so that the present disclosure will be thorough and complete, and the scope of the present disclosure will be fully conveyed to those skilled in the art. It should be understood by those skilled in the art that the scope of the present disclosure is intended to cover any aspect of the present disclosure disclosed herein, whether it is realized independently of any other aspect of the present disclosure or realized in combination with any other aspect of the present disclosure. For example, any number of aspects set forth herein can be used to implement a device or practice method. In addition, the scope of the present disclosure is intended to cover such a device or method that is practiced using other structures, functions, or structures and functions other than the various aspects of the present disclosure set forth herein or different from the various aspects of the present disclosure set forth herein. It should be understood that any aspect of the present disclosure disclosed herein can be embodied by one or more elements of the claims.

[0029] Several aspects of telecommunication systems will now be presented with reference to various devices and techniques. These devices and techniques will be described in the detailed description below and illustrated in the accompanying drawings by various blocks, modules, components, circuits, steps, processes, algorithms, etc. (collectively referred to as "elements"). These elements may be implemented using hardware, software, or a combination thereof. Whether these elements are implemented as hardware or software depends on the specific application and the design constraints imposed on the overall system.

[0030] In some networks, wireless communication devices (WCDs) may support applications associated with low-delay or lossless audio to one or more other devices (such as, one or more personal audio devices). For example, wireless communication devices may support applications and use cases associated with ultra-low delay (ULL), such as ULL games, or stream lossless audio to one or more personal audio devices (such as, peripherals) of a user. In the scenario where a user uses two peripherals, wireless communication devices may support extended personal audio networks (XPANs), and wireless communication devices may communicate with two peripherals via the extended personal audio networks. In order to meet the delay or lossless criteria associated with an application or use case, XPAN devices may use target wake-up time (TWT) technology to communicate between wireless communication devices and peripherals. In some systems, peripherals and wireless communication devices may exchange one or more Bluetooth messages and implement complete TWT teardown between the wireless communication device and each peripheral. This exchange of Bluetooth messages and TWT teardown may introduce too much delay for some applications (such as ULL games or streaming lossless audio applications).

[0031] In some implementations, a WCD (which may be a cell phone or an access point (AP) (e.g., a soft AP (SAP))) and a set of peripheral devices (e.g., earbuds or audio devices) may use downlink audio data packets to carry updated TWT parameters or any other XPAN-related parameters that the wireless communication device and the peripheral devices may indicate via wireless signaling. Additionally or alternatively, the wireless communication device may embed a set of updated parameters into a padding portion of an audio data packet and may send the audio data packet to the peripheral device. The peripheral devices may each acknowledge the audio data packet sent by the wireless communication device, and the wireless communication device may communicate according to the updated parameters based on receiving the acknowledgement from each peripheral device.

[0032] Figure 1A wireless communication system 100 (also referred to as a wireless local area network (WLAN) or Wi-Fi network) configured in accordance with the present disclosure is shown. The wireless communication system 100 may include an AP 105 and a plurality of associated devices 115 (such as stations (STAs) or SAPs), which may represent devices such as mobile stations, personal digital assistants (PDAs), other handheld devices, netbooks, notebook computers, tablet computers, laptop computers, display devices (e.g., TVs, computer monitors, etc.), printers, etc. The AP 105 and associated devices 115 (e.g., associated STAs) may represent a basic service set (BSS) or an extended service set (ESS). Various devices 115 in the network are able to communicate with each other through the AP 105. Also shown is a coverage area 110 of the AP 105, which may represent a basic service area (BSA) of the wireless communication system 100. An extended network station (not shown) associated with the wireless communication system 100 may be connected to a wired or wireless distribution system that may allow multiple APs 105 to be connected in an ESS.

[0033] Although not in Figure 1 100 , but the device 115 may be located at the intersection of more than one coverage area 110 and may be associated with more than one AP 105. A single AP 105 and an associated group of devices 115 may be referred to as a BSS. An ESS is a group of connected BSSs. A distribution system (not shown) may be used to connect the APs 105 in an ESS. In some cases, the coverage area 110 of an AP 105 may be divided into sectors (also not shown). The wireless communication system 100 may include different types of APs 105 (e.g., metropolitan area networks, home networks, etc.) with varying and overlapping coverage areas 110. Two devices 115 may also communicate directly via a direct wireless communication link 125, regardless of whether the two devices 115 are in the same coverage area 110. Examples of direct wireless communication links 120 may include Wi-Fi direct connections, Wi-Fi tunnel direct link establishment (TDLS) links, and other group connections. Device 115 and AP 105 may communicate according to WLAN radio and baseband protocols for physical and MAC layers from IEEE 802.11 and versions including, but not limited to, 802.11b, 802.11g, 802.11a, 802.11n, 802.11ac, 802.11ad, 802.11ah, 802.11ax, etc. In other implementations, peer-to-peer connections or ad hoc networks may be implemented within wireless communication system 100.

[0034] In some cases, a device 115 (or AP 105) may be detectable by the central AP 105, but not by other devices 115 in the coverage area 110 of the central AP 105. For example, one device 115 may be at one end of the coverage area 110 of the central AP 105, while another device 115 may be at the other end. Thus, both devices 115 may communicate with the AP 105, but may not receive the transmission of the other device 115. This may result in conflicting transmissions by the two devices 115 in a contention-based environment (e.g., carrier sense multiple access with collision avoidance (CSMA / CA)) because the devices 115 may not refrain from transmitting over each other. Devices 115 whose transmissions are not identifiable but are within the same coverage area 110 may be referred to as hidden nodes. CSMA / CA may be supplemented by exchanging request to send (RTS) packets sent by the transmitting device 115 (or AP 105) and clear to send (CTS) packets sent by the receiving device 115 (or AP 105). This can alert other devices within range of the sender and receiver not to transmit for the duration of the primary transmission. Thus, RTS and / or CTS can help mitigate the hidden node problem.

[0035] The wireless communication system 100 may include an AP 105, a device 115 (e.g., which may be referred to as a source device or a central device), and a paired device 115 (e.g., which may be referred to as a sink device or a peripheral device) that implements WLAN communication (e.g., Wi-Fi communication) and / or Bluetooth communication. For example, the device 115 may include a cellular phone, a user equipment (UE), a STA, a mobile station, a PDA, other handheld devices, a netbook, a notebook computer, a tablet computer, a laptop computer, or some other appropriate terminology. The paired device 115 may include a Bluetooth-enabled device that is capable of pairing with other Bluetooth-enabled devices (e.g., such as the device 115), which may include wireless audio devices (e.g., earphones, earbuds, speakers, handsets, headphones), display devices (e.g., TVs, computer monitors), microphones, meters, valves, etc.

[0036] "Bluetooth communication" may refer to a short-range communication protocol and may be used to connect and exchange information between a device 115 and a paired device 115 (e.g., between a mobile phone, a computer, a digital camera, a wireless headset, a speaker, a keyboard, a mouse or other input peripherals and similar devices). A Bluetooth system (e.g., aspects of the wireless communication system 100) may be organized using a central-peripheral relationship employing a time division duplex protocol having, for example, defined time slots of 625 microseconds, where transmissions alternate between a central device (e.g., device 115) and one or more peripheral devices (e.g., paired devices 115). In some examples, "device 115" may generally refer to a central device, and "paired device 115" may refer to a peripheral device in the wireless communication system 100. Thus, in some examples, a device may be referred to as a device 115 or a paired device 115 based on the device's Bluetooth role configuration. That is, designating a device as a device 115 or a paired device 115 may not necessarily indicate a distinction in device capabilities, but may refer to or indicate the role that the device plays in the wireless communication system 100. Generally, “device 115” may refer to a wireless communication device capable of wirelessly exchanging data signals with another device (e.g., paired device 115), and “paired device 115” may refer to a device operating in a peripheral role, or to a short-range wireless communication device capable of exchanging data signals with device 115 (e.g., using the Bluetooth communication protocol).

[0037] A communication link 125 may be established between two Bluetooth-enabled devices (e.g., between device 115 and paired device 115), and may provide communication or services (e.g., according to some Bluetooth profiles). The controller stack may be responsible for establishing a communication link 125, such as an asynchronous connection-oriented link (or asynchronous connection-oriented connection), a synchronous connection-oriented (SCO) link (or SCO connection), an extended synchronous connection-oriented (eSCO) link (or eSCO connection), other logical transport channel links, and the like. For example, a Bluetooth connection may be an eSCO connection for voice calls (e.g., which may allow retransmissions), an asynchronous connectionless (ACL) connection for music streaming (e.g., Advanced Audio Distribution Profile (A2DP)), and the like. eSCO packets may be sent in predetermined time slots (e.g., 6 Bluetooth time slots per eSCO). When establishing a Bluetooth link, regular intervals between eSCO packets may be specified. eSCO packets to / from a specific device (e.g., paired device 115) are acknowledged, and may be retransmitted if not acknowledged during a retransmission window. In addition, an ACL connection (e.g., an A2DP profile) may be used to stream audio between the device 115 and a paired device 115. In some cases, an ACL connection may occupy 1, 3, or 5 Bluetooth time slots for data or voice. Other Bluetooth profiles supported by Bluetooth-enabled devices may include Bluetooth Low Energy (BLE) (e.g., providing significantly reduced power consumption and cost while maintaining similar communication range), a Human Interface Device (HID) profile (e.g., providing a low latency link with low power requirements), and the like.

[0038] In some examples, the device may be capable of both Bluetooth and WLAN communications. For example, WLAN and Bluetooth components may be co-located within the device so that the device can communicate according to Bluetooth and WLAN communication protocols, because each technology may provide different benefits or may improve the user experience under different conditions. In some examples, Bluetooth and WLAN communications may share the same medium, such as the same unlicensed frequency medium. In such examples, the device 115 may support WLAN communications via the AP 105 (e.g., via the communication link 120). The AP 105 and associated devices 115 may represent a BSS or ESS. The various devices 115 in the network may be able to communicate with each other through the AP 105. In some cases, the AP 105 may be associated with a coverage area, which may represent a BSA.

[0039] Device 115 and AP 105 can communicate according to WLAN radio and baseband protocols for physical layer and MAC layer from IEEE 802.11 and versions including but not limited to 802.11b, 802.11g, 802.11a, 802.11n, 802.11ac, 802.11ad, 802.11ah, 802.11ax, etc. In other implementations, peer-to-peer connections or ad hoc networks can be implemented within system 100, and devices can communicate with each other via communication links 120 (e.g., Wi-Fi Direct connections, Wi-Fi TDLS links, peer-to-peer communication links, or other peer-to-peer or group connections). AP 105 can be coupled to a network (such as the Internet) and can enable device 115 to communicate via the network (or communicate with other devices 115 coupled to AP 105). Device 115 can communicate bidirectionally with network devices. For example, in a WLAN, the device 115 may communicate with an associated AP 105 via a downlink (eg, a communication link from the AP 105 to the device 115 ) and an uplink (eg, a communication link from the device 115 to the AP 105 ).

[0040] In some examples, content, media, audio, etc. exchanged between device 115 and paired device 115 may originate from a WLAN. For example, in some examples, device 115 may receive audio from AP 105 (e.g., via WLAN communications), and device 115 may then relay or pass the audio to paired device 115 (e.g., via Bluetooth communications). In some examples, certain types of Bluetooth communications (e.g., such as high-quality or high-definition (HD) Bluetooth) may require enhanced quality of service. For example, in some examples, delay-sensitive Bluetooth traffic may have a higher priority than WLAN traffic.

[0041] In some deployments, the wireless communication device may support applications associated with low latency or lossless audio to one or more other devices (e.g., one or more personal audio devices). For example, the wireless communication device may support applications and use cases associated with ULL, such as ULL gaming, or streaming lossless audio to one or more personal audio devices (e.g., peripheral devices) of a user. In a scenario where a user uses two peripheral devices (e.g., wireless earbud 130-a and wireless earbud 130-b), the wireless communication device may support XPAN, via which the wireless communication device may communicate with the two peripheral devices.

[0042] In order to meet the delay or lossless criteria associated with the application or use case, the XPAN device may use TWT technology to communicate between the wireless communication device and the peripheral device. The initial or default TWT parameters may be set in the expectation of an ideal (e.g., interference-free or nearly interference-free) condition, and may be updated in response to a changed channel condition or a changed concurrent situation at the wireless communication device. In some systems, the peripheral device and the wireless communication device may exchange one or more Bluetooth messages and implement a complete TWT removal between the wireless communication device and each peripheral device. This exchange of Bluetooth messages and TWT removal may introduce too much delay for some applications (such as ULL games or streaming lossless audio applications).

[0043] In some implementations, a wireless communication device (which may be device 115 (e.g., a cell phone) or AP 105) and a set of peripheral devices may use downlink audio data packets to carry updated TWT parameters or any other XPAN-related parameters that the wireless communication device and peripheral devices may indicate via wireless signaling.

[0044] Figure 2 An example of a wireless communication system 200 that supports low-latency parameter updates for extending a personal audio network according to the present disclosure is shown. The wireless communication system 200 can implement or be implemented to implement aspects of the wireless communication system 100. For example, the wireless communication system 200 shows communications between an AP 105, a device 115 (e.g., a cell phone or handheld device), and a user 205's wireless earbuds 130-a and wireless earbuds 130b (e.g., examples of audio devices and / or peripherals), which can be, for example, Figure 1 Shown and referenced Figure 1 In some implementations, the device 115, the wireless earbud 130-a, and the wireless earbud 130-b may support a signaling-based mechanism by which the device 115 may send an indication of a set of updated parameters to each of the wireless earbud 130-a and the wireless earbud 130-b via one or more audio data packets.

[0045] In some deployments, the device 115 may communicate with the AP 105 via one or both of the link 210a and the link 210b, which may be examples of infrastructure links between the AP 105 and the device 115. The link 210a may be an example of a 2.4 GHz link between the AP 105 and the device 115, and the link 210b may be an example of a 5 GHz link or a 6 GHz link between the AP 105 and the device 115. In addition, the device 115 may wirelessly communicate with each of the wireless earbuds 130-a and 130b, where each of the wireless earbuds 130-a and 130-b may be associated with an XPAN of the device 115. For example, the device 115 may communicate with the wireless earbuds 130-a via the link 215a, and may communicate with the wireless earbuds 130-b via the link 215b, where the link 215a and the link 215b may be referred to or understood as XPAN links. Link 215a may be an example of a 5 GHz link or a 6 GHz link, and link 215b may be an example of a 5 GHz link or a 6 GHz link. Additionally, in some examples, device 115 may communicate with wireless earbud 130-a via communication link 220, which may be an example of a primary earbud. Communication link 220 may be an example of a Bluetooth link between device 115 and wireless earbud 130-a. Wireless earbud 130-a and wireless earbud 130-b (which may be an example of an auxiliary earbud) may communicate with each other via link 225, which may be an example of a Bluetooth link between wireless earbud 130-a and wireless earbud 130-b.

[0046] In some cases, the device 115, the wireless earbud 130-a, and the wireless earbud 130-b may support or belong to XPAN, and may use XPAN to support one or more applications or use cases, such as applications or use cases associated with latency or lossless audio constraints or standards. For example, the device 115 may support one or more use cases of ULL gaming and streaming lossless audio to the wireless earbud 130-a and the wireless earbud 130-b (e.g., the personal device of the device 115). For such applications, the device 115 may be expected to keep the end-to-end latency below a relatively strict latency target (e.g., 40ms for ULL gaming). In addition, the device 115 may also be responsible for handling (e.g., gracefully handling) the coexistence of XPAN traffic (e.g., traffic to or from one or both of the wireless earbud 130-a and the wireless earbud 130-b) with other concurrent scenarios that the user 205 or the system may initiate. Such other concurrent scenarios may include scanning concurrency for channel selection, STA infrastructure link concurrency for online gaming or other services to or from the AP 105, or neighbor aware networking (NAN) discovery and NAN data transmission, or any combination thereof.

[0047] The device 115 may be expected to meet latency constraints for various applications or use cases (e.g., ultra-low latency constraints for ULL gaming use cases) and also facilitate coexistence between XPAN and other concurrent scenarios on the device 115. In order to meet latency constraints associated with, for example, ULL gaming, power constraints of the wireless earbuds 130-a and 130-b, and / or power and concurrency constraints at the device 115, the device 115 may employ TWT technology for communication between the device 115 (which may act or function as a SAP) and each of the wireless earbuds 130-a and 130-b (which may act or function as a STA).

[0048] Example TWT parameters include TWT 230, TWT SI 235, and TWT service period (SP) 240. TWT 230 may indicate or be associated with a timing synchronization function (TSF) time, which TSF time indicates the start or beginning of a first TWT session. TWT SI 235 may indicate a TWT interval, which may refer to the time difference between the start or beginning of two consecutive TWT sessions. TWT SP 240 may indicate the duration that one or both of the wireless earbud 130-a and the wireless earbud 130b are awake during the TWT SI 235. In some aspects, the TWT SP 240 may be referred to or understood as a TWT session. Figure 2 As shown, TWT SI 235 may indicate the time difference between TWT SP 240a and TWT 240b. The remaining time within TWT SI 235 excluding TWT SP 240 may be referred to or understood as concurrent time 245, during which device 115 may perform any operations (e.g., transmission or reception) associated with a concurrent scenario at device 115. In other words, the difference between XPAN TWT SI 235 and XPAN TWT SP 240 may be the time left for device 115 to support other concurrency (e.g., outside of any channel switching or software overhead).

[0049] For XPAN, each of the wireless earbud 130-a and the wireless earbud 130-b (which may be an example of a TWT requestor STA) may initiate a TWT session with the device 115 (which may be an example of a TWT responder STA). In addition, for low latency use cases (e.g., ULL gaming use cases), the target end-to-end latency may be relatively strict (e.g., less than or equal to approximately 40ms), which may be bound, associated, or expected to be within a specific range of Wi-Fi latency (e.g., within a range of less than 10ms). To achieve such Wi-Fi latency, the TWT SI 235 and the TWT SP 240 may be selected or set to specific values ​​(e.g., the TWT SI 235 may be set to 4ms and the TWT SP 240 to 2ms). In addition, for lossless audio use cases, for example, the TWT SI 235 may be set to approximately 70ms, with the TWT SP 240 being approximately 23ms.

[0050] In some cases, a set of TWT parameters for XPAN by default or initial can be configured or set in anticipation of an ideal (e.g., non-interference or approximately non-interference) condition (e.g., link condition, channel condition, or environmental condition). In some deployments, Wi-Fi channel conditions, concurrent situations of device 115, or XPAN constraints can change over time. Such changes can trigger TWT parameter updates, be associated with TWT parameter updates, or force TWT parameter updates. In addition, in applications or use cases associated with low latency (e.g., ULL games and streaming lossless audio), it can be expected that TWT parameter updates are performed with low latency to continue to meet XPAN constraints without compromising user experience. As an example, for XPAN game use cases, TWT SP 240 can be about 2ms. The communication overhead of the updated TWT parameters, or the communication overhead of other information transmitted from device 115 to wireless earplugs 130-a and wireless earplugs 130-b can also be expected to be relatively small.

[0051] However, in some systems, the TWT parameter update process may be associated with relatively high latency. In addition, because a TWT session may be initiated by the wireless earbuds 130-a and 130-b (with default or initial parameters), any update to the TWT parameters triggered by a change in conditions on the device 115 may involve the device 115 sending the updated parameters to the wireless earbuds 130-a and 130b, followed by a change in the TWT parameters at the wireless earbuds 130-a and 130-b.

[0052] The example TWT parameter update process may include a sequence of signaling steps involving one or more transmissions using a Bluetooth link, which may introduce relatively large delays. For example, the Wi-Fi subsystem (SS) of device 115 may send a request (e.g., a TWT parameter update request) to update one or more TWT parameters to the Bluetooth host (BT host) of device 115 after detecting one or more conditions that trigger the change of one or more TWT parameters. The BT host of device 115 may use the Bluetooth link to communicate an updated set of TWT parameters to the BT host of the main earbud (e.g., wireless earbud 130-a). Such an updated TWT configuration sent via the Bluetooth link may add a delay of approximately 80ms. The BT host of the main earbud may internally signal the new TWT parameters to the Wi-Fi SS of the main earbud, and the BT host of the main earbud may use the Bluetooth link to communicate the new TWT parameters to the BT host of the auxiliary earbud (e.g., wireless earbud 130-b). Such an indication of the TWT configuration via the Bluetooth link between the main earbud and the auxiliary earbud may add a delay of approximately 120ms. The BT host of the auxiliary earbud may internally signal the new TWT parameters to the Wi-Fi SS of the auxiliary earbud.

[0053] The Wi-Fi SS of the primary earbud may start a TWT session teardown and parameter update process. The TWT session teardown and parameter update process may involve transmitting a TWT teardown message and a TWT request message carrying new TWT parameters from the Wi-Fi SS of the primary earbud to the Wi-Fi SS of device 115 via an XPAN Wi-Fi link, and transmitting an acknowledgement (ACK) of the new TWT parameters using a TWT response message from the Wi-Fi SS of device 115 to the Wi-Fi SS of the primary earbud via the XPAN Wi-Fi link. The Wi-Fi SS of device 115 may update the BT host of device 115 that a new TWT session has been established with the primary earbud (e.g., the Wi-Fi SS may indicate the TWT session update to the BT host). Such a TWT session teardown and parameter update process may be additionally performed between device 115 and the auxiliary earbud.

[0054] According to such a TWT parameter update process, the device 115 may incur a relatively large delay between the time when a condition associated with a TWT parameter update is triggered on the device 115 and the time when the updated parameters take effect. For example, some components of the delay may include a delay of approximately 80ms associated with the updated TWT configuration sent via the Bluetooth link between the device 115 and the primary earbud, a delay of approximately 100ms associated with the sniff exit delay when the Bluetooth link between the two earbuds is in sniff mode, a delay of approximately 20ms associated with the updated TWT configuration sent via the Bluetooth link between the two earbuds, and a delay of approximately 5ms associated with the teardown of a TWT session and the re-establishment of a new TWT session from the two earbuds. Accordingly, such a TWT parameter update process may be associated with a total end-to-end delay of approximately 205ms for a single TWT parameter update, which may be too much for some applications or use cases (e.g., ULL gaming and streaming lossless audio use cases).

[0055] In some implementations, the device 115, the wireless earbud 130-a, and the wireless earbud 130-b may support a packet generation-based and signaling-based mechanism by which the device 115 may embed an indication of one or more updated parameters into one or more audio packets that the device 115 may send to the wireless earbud 130-a and the wireless earbud 130-b. For example, if the device 115 detects a change that triggers a parameter update, or if the device 115 otherwise determines to send a set of parameters to the wireless earbud 130-a and the wireless earbud 130-b with low latency, the device 115 may embed the parameters into one or more downlink audio packets and may send the one or more downlink audio packets to the wireless earbud 130-a and the wireless earbud 130-b. In some implementations, the device 115 may send an indication of the parameter to the wireless earbud 130-a via a first audio packet sent using a first Wi-Fi link (e.g., a first XPAN Wi-Fi link), and may send an indication of the parameter to the wireless earbud 130-b via a second audio packet sent using a second Wi-Fi link (e.g., a second XPAN Wi-Fi link). The first audio data packet and the second audio data packet may include the same information or may include different information, and each may be an example of a physical layer convergence protocol (PLCP) protocol data unit.

[0056] The device 115 may transmit a set of one or more parameters to both the wireless earbud 130-a and the wireless earbud 130-b during an expected downlink data transmission or service (e.g., without using any additional or dedicated signaling). Based on the lack of such additional over-the-air Bluetooth or Wi-Fi signaling between the device 115 and each of the wireless earbuds 130-a and 130-b and between the wireless earbuds 130a and 130-b, the overall end-to-end delay may be one or a relatively small amount of TWT SI 235, which may correspond to a delay of approximately 4 or 8 ms for some applications or use cases (e.g., ULL gaming). Such a delay of approximately 4 or 8 ms may represent a significant reduction in the end-to-end delay of TWT parameter renegotiation compared to other example parameter update processes (which may incur a delay of approximately 205 ms).

[0057] The device 115, the wireless earbuds 130a, and the wireless earbuds 130-b may achieve up to approximately 50 times faster response times to any condition changes on the XPAN or infrastructure link associated with the device 115. In other words, the described techniques may allow or facilitate a flexible XPAN system that may adapt to changing wireless conditions associated with the XPAN or infrastructure link at the device 115. Accordingly, the described techniques may be applicable to any latency-sensitive use or use case using TWT as a communication protocol between potentially power-constrained devices, or any other use case associated with or anticipating low-latency XPAN parameter updates from a default or initial set of programmed values.

[0058] In addition, the described techniques may allow or facilitate simultaneous updating of one or more TWT parameters, and may additionally or alternatively be used to communicate any other information (related to XPAN or otherwise) between the device 115, the wireless earbud 130-a, and the wireless earbud 130-b in a fast and efficient manner. For example, the parameters that may be communicated between the device 115 and each of the wireless earbud 130-a and the wireless earbud 130-b may include a set of one or more TWT parameters, a received signal strength indicator (RSSI) measured at the device 115 or one or both of the wireless earbud 130-a and the wireless earbud 130-b that is expected to be communicated to the device 115 or one or both of the wireless earbud 130-a and the wireless earbud 130-b, a channel switching indication or request, or a bearer switching indication or request. Such one or more TWT parameters may include any one or more of the TWT SI 235, the TWTSP 240, or the TWT start time (e.g., TWT 230). Furthermore, such a bearer switching indication or request may be a request to switch from an XPAN bearer to a Bluetooth bearer, or vice versa.

[0059] In some networks using XPAN communication, the network can support ULL games with end-to-end delay parameters and coexistence with concurrent scenarios with WCD having wireless links to audio devices and additional devices. In order to meet the delay requirements of ULL games, the power requirements of audio devices, and the power and concurrency requirements on WCD, TWT technology can be used for communication between WCD (e.g., acting as SAP) and audio devices (e.g., acting as STA). TWT can be the TSF time indicating the start of the first TWT session. SI indicates a TWT interval (e.g., the time difference between the start of two consecutive TWT sessions). SP indicates the duration that the audio device will be awake during SI. Concurrency time is the difference between SP and SI, and is the time left for WCD to support additional concurrency (e.g., communication via additional wireless links). The faster the game business is successfully transmitted between WCD and audio devices, the more concurrent time can be achieved on the basic link (infra link) of WCD. For XPAN, each audio device (e.g., TWT requester STA) can start a TWT session with WCD (e.g., TWT responder STA).

[0060] Figure 3 An example 300 of an audio device according to the present disclosure is shown. Figure 3 As shown, the audio device may include a speaker 302 , a speaker coil 304 (eg, for converting electrical signals into audio signals), a battery 306 , and a direct current (DC) cable connecting the battery 306 to the speaker 302 .

[0061] In some audio devices (e.g., audio devices that support wireless communication), the DC cable 308 and the battery 306 can generate a magnetic field 312 based at least in part on (e.g., proportional to) a DC current (e.g., current 310). The magnetic field 312 can generate a magnetic flux 316 from the DC cable 308 and a magnetic flux 314 from the battery 306. The magnetic flux (e.g., the sum of the magnetic fluxes 314 and 316) enters the speaker coil 304, which can be shunted by an audio power amplifier (PA) output resistor, which can provide 0.1 ohms together with the associated wires. When the DC current changes, the magnetic flux through the speaker coil 304 also changes. The change in the magnetic flux through the speaker coil 304 can induce a voltage in the speaker coil 304. The voltage in the speaker coil 304 can cause an increasing current in the coil of the speaker coil 304. The increasing current can cause the speaker 302 to release the energy of the coil and produce one or more clicks.

[0062] In some audio devices, manufacturers may use hardware-based solutions, such as magnetic shielding and / or power unit coupling, among other examples. However, hardware-based solutions may increase the cost of the audio device and / or may consume limited space within the audio device.

[0063] As mentioned above, Figure 3 are provided as examples. Other examples may differ from those regarding Figure 3 Examples described.

[0064] Figure 4 Examples 400 and 450 of TWT packet sequences according to the present disclosure are shown. Figure 4 In the context of, a WCD can communicate with one or more audio devices. For example, a WCD can communicate with a first audio device and a second audio device.

[0065] As shown in example 400, the WCD may communicate with the one or more audio devices using TWT technology. The TWT may include a TWT SI 402 associated with a period of TWT communication opportunities. The TWT SI 402 may include a channel switching time 404, during which the WCD and / or the one or more audio devices may tune to a channel associated with communicating together. The TWT SI 402 may include an active period 406, during which the WCD and the one or more audio devices exchange communications. After the active period, the TWT SI 402 may include a concurrent time 408, during which the WCD and the audio device are not scheduled to communicate with each other via TWT-based communications.

[0066] In example 400, the WCD may send a first audio communication (Audio 1) 410 to a first audio device. The first audio device may respond with an acknowledgement (ACK 1) 412 to indicate receipt of the first audio communication 410. Similarly, the WCD may send a second audio communication 414 (Audio 2) to a second audio device. The second audio device may respond with an acknowledgement (ACK 2) 416 to indicate receipt of the second audio communication 410.

[0067] The first audio device may send an uplink communication (VBC 1) 418 to the WCD. The WCD may respond with an acknowledgement (ACK 3) 420 to indicate receipt of the uplink communication 418. Similarly, the second audio device may send an uplink communication (VBC 2) 422 to the WCD. The WCD may respond with an acknowledgement (ACK 4) 416 to indicate receipt of the uplink communication 422.

[0068] In example 450, one or more audio devices may retransmit one or more communications based at least in part on the WCD failing to respond to the uplink communication with an ACK. In example 450, the TWT may include a TWT SI 452 associated with a period of TWT communication opportunities. The TWT SI 452 may include a channel switching time 454 during which the WCD and / or the one or more audio devices may tune to a channel associated with communicating together. The TWT SI 452 may include an active period 456 during which the WCD and the one or more audio devices exchange communications. After the active period, the TWT SI 452 may include a concurrent time 458 during which the WCD and the audio device are not scheduled to communicate with each other via TWT-based communications.

[0069] In example 450, the WCD may send a first audio communication (Audio 1) 460 to a first audio device. The first audio device may respond with an acknowledgement (ACK1) 462 to indicate receipt of the first audio communication 460. Similarly, the WCD may send a second audio communication 464 (Audio 2) to a second audio device. The second audio device may respond with an acknowledgement (ACK 2) 466 to indicate receipt of the second audio communication 460.

[0070] The first audio device may send an uplink communication (VBC 1) 468 (Audio 1) to the WCD. The first audio device may fail to receive an acknowledgement indicating receipt of the uplink communication 468. Similarly, the second audio device may send an uplink communication (VBC 2) 470 to the WCD. The second audio device may fail to receive an acknowledgement indicating receipt of the uplink communication 470.

[0071] Based at least in part on the failure to receive an ACK from the WCD, the first audio device and the second audio device may retransmit the first uplink communication 468 and the second uplink communication 468 to the WCD. For example, the first audio device may send a retransmission of uplink communication (VBC 1) 472 to the WCD. The WCD may respond with an acknowledgment (ACK 3) 734 to indicate receipt of the retransmission of uplink communication 468. Similarly, the second audio device may send a retransmission of uplink communication (VBC 2) 476 to the WCD. The WCD may respond with an acknowledgment (ACK 4) 478 to indicate receipt of the retransmission of uplink communication 476.

[0072] like Figure 4 As shown in , when retransmission occurs, the TWT active period can be longer and the concurrency time can be shorter.

[0073] As mentioned above, Figure 4are provided as examples. Other examples may differ from those regarding Figure 4 Examples described.

[0074] In some audio devices (e.g., wireless communication enabled audio devices), a direct current (DC) cable and battery can generate a magnetic field that is proportional to the DC current. The magnetic field can provide magnetic flux to a speaker coil, which can be shunted by an audio power amplifier (PA) output resistor, which output resistor and associated wires can provide 0.1 ohms. When the DC current changes, the magnetic flux through the speaker coil also changes. The change in magnetic flux through the speaker coil can induce a voltage in the speaker coil. The voltage in the speaker coil can cause a rising current in the coil. The rising current can cause the speaker to release the energy of the coil and produce one or more click sounds.

[0075] In some audio devices, manufacturers may use hardware-based solutions, such as magnetic shielding and / or power unit coupling, among other examples. However, hardware-based solutions may increase the cost of the audio device and / or may consume limited space within the audio device.

[0076] In some aspects described herein, the WCD and the audio device may use intelligent packet scheduling and / or traffic shaping on the WCD and / or the audio device to mitigate clicks from magnetic coupling on the audio device (e.g., earbuds). In some aspects, the WCD and the audio device may communicate in one of a set of candidate communication states (configurations). For example, each candidate communication state may be associated with a value of a communication parameter such as a period of uplink traffic, a period of downlink traffic, uplink transmit power, or MCS. Each candidate communication state may have at least one value of the communication parameter that differs from each other candidate communication state.

[0077] The WCD and the audio device may transition between candidate communication states based at least in part on a configuration switch trigger. The configuration switch trigger may be based at least in part on a link quality metric or a change in a usage state of the WCD. For example, the configuration switch trigger may be based at least in part on an increase or decrease in signal strength (e.g., a received signal strength indication (RSSI)), screen state detection (e.g., a locked screen, an always-on display, or an active display, among other examples), and / or operating mode detection (e.g., based at least in part on operating system information).

[0078] Based at least in part on selecting a communication state using a configuration switch trigger, the WCD may reduce clicks and / or other noise caused by voltage induced in a speaker coil by DC current variations.

[0079] In some aspects, the WCD may include a communication manager. As described in more detail elsewhere herein, the communication manager may communicate with the audio device via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS; and sending an indication to switch to a second configuration based at least in part on a configuration switch trigger, the configuration switch trigger being based at least in part on one or more of the following: a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for the communication parameter. Additionally or alternatively, the communication manager may perform one or more other operations described herein.

[0080] In some aspects, the audio device may include a communication manager. As described in more detail elsewhere herein, the communication manager may communicate with the WCD via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS; and receiving an indication of switching to a second configuration based at least in part on a configuration switching trigger, the configuration switching trigger being based at least in part on one or more of a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for the communication parameter. Additionally or alternatively, the communication manager may perform one or more other operations described herein.

[0081] In some aspects, the WCD includes: means for communicating with an audio device via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS; and / or means for sending an indication to switch to a second configuration based at least in part on a configuration switch trigger, the configuration switch trigger being based at least in part on one or more of the following: a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for the communication parameter. In some aspects, means for the WCD to perform operations described herein may include, for example, one or more of a communication manager, a transmit processor, a TX MIMO processor, a modem, an antenna, a MIMO detector, a receive processor, a controller / processor, a memory, or a scheduler.

[0082] In some aspects, the audio device includes: means for communicating with a WCD via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS; and / or means for receiving an indication of switching to a second configuration based at least in part on a configuration switching trigger, the configuration switching trigger being based at least in part on one or more of the following: a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for the communication parameter. In some aspects, the means for the audio device to perform the operations described herein may include, for example, one or more of the following: a communication manager, a transmit processor, a TX MIMO processor, a modem, an antenna, a MIMO detector, a receive processor, a controller / processor, a memory, or a scheduler.

[0083] Figure 5 is a diagram of an example 500 associated with a configuration switch trigger for audio device communications according to the present disclosure. Figure 5 As shown, a WCD (e.g., a STA, a UE, or a host device, among other examples) can communicate with one or more audio devices (e.g., earbuds). In some aspects, the WCD and the one or more audio devices may be in communication with each other. Figure 5 The operations shown are performed with a wireless connection already established.

[0084] As indicated at 505, the WCD may initiate a use state for wirelessly communicating with one or more audio devices. In some aspects, the use state may be associated with use for gaming, use for lossless audio, and / or other uses.

[0085] As shown in reference numeral 510, the WCD and one or more audio devices may communicate using a first configuration. The first configuration may be associated with a set of communication parameters. For example, the communication parameters may include a period of uplink traffic, a period of downlink traffic, uplink transmit power and / or MCS, and other examples.

[0086] In some aspects, the first configuration can be associated with communication parameters such as a first maximum number of uplink data retransmissions, a first maximum number of uplink acknowledgement (ACK) retransmissions, a first delayed block ACK transmission strategy, a first quality of service (QoS) configuration, and / or a first configuration for transmitting traffic in a communication protocol other than the communication protocol associated with the wireless link, among other examples. These parameters can be used to reduce voltage-induced interference in an audio output of an audio device.

[0087] As shown at reference numeral 515, the WCD may detect a configuration switching trigger. In some aspects, the configuration switching trigger may be based at least in part on a link quality metric associated with the wireless link or a change in a usage state of the WCD. In some aspects, the link quality metric may also include a received RSSI value, a number of dropped packets, a number of retransmissions, and / or a packet error rate, among other examples.

[0088] In some aspects, the RSSI value used to detect the configuration switching trigger can be an average of a set of RSSI values ​​(e.g., recent RSSI values). The set of RSSI values ​​can be based at least in part on measurements made by the WCD or indications of measurements made by one or more audio devices, among other examples.

[0089] In some aspects, a change in the usage state of the WCD may include stopping low-latency data streaming, deactivating a screen, and / or exiting an application associated with downlink traffic or uplink traffic, among other examples.

[0090] As shown in reference numeral 520, the WCD may send an indication of switching to the second configuration, and one or more audio devices may receive an indication of switching to the second configuration. In some aspects, the WCD may also send an indication via an index associated with the second configuration, a proper subset of the second value, and / or all second values, in addition to other examples. For example, the WCD may use an index to indicate the use of the second configuration, including communication parameters associated with the second configuration. In some aspects, the WCD may indicate one or more communication parameters (e.g., explicit values ​​or related to values ​​of the first configuration) in the communication parameters that should be changed to switch from the first configuration to the second configuration. In some aspects, the WCD may indicate the value of the communication parameter to be used (e.g., explicit or related to values ​​of the first configuration). The communication parameter may constitute the second configuration.

[0091] In some aspects, the WCD may send a first message indicating a switch to a second value for uplink transmit power and subsequently send a second message switching to one or more of a second value for a period for uplink traffic or a second value for a period for downlink traffic. In some aspects, the WCD may transmit a single message indicating a switch to a second value for uplink transmit power and a switch to one or more of a second value for a period for uplink traffic or a second value for a period for downlink traffic.

[0092] In some aspects, the first subset of communication parameters depends on the second subset of communication parameters. For example, the transmit power can be based at least in part on the MCS and / or the maximum number of repetitions. Additionally or alternatively, the maximum number of repetitions can be based at least in part on the transmit power and / or the MCS. Based at least in part on the dependency, the indication of switching to the second configuration can indicate the second subset of communication parameters (and omitting the indication of one or more communication parameters in the first subset of communication parameters). In this way, the payload of the indication of switching to the second configuration can be reduced, and the one or more audio devices can derive the first subset of communication parameters from the first subset of communication parameters.

[0093] As shown in reference numeral 525, the WCD and one or more audio devices may communicate using a second configuration. The second configuration may be associated with a set of communication parameters. For example, the communication parameters may include a period of uplink traffic, a period of downlink traffic, uplink transmit power, and / or MCS, and other examples. In some aspects, the second configuration may have values ​​for communication parameters associated with a reduction in interference caused by a voltage in an audio output of the audio device.

[0094] In some aspects, the second configuration is associated with a communication parameter, such as a second maximum number of uplink data retransmissions different from the first maximum number of uplink data retransmissions, a second maximum number of uplink ACK retransmissions different from the first maximum number of uplink ACK retransmissions. In some aspects, in addition to other examples, the second configuration is associated with: a second delayed block ACK transmission strategy different from the first delayed block ACK transmission strategy, a second QoS configuration different from the first QoS configuration, and / or a second configuration for transmitting services in another communication protocol different from the first configuration for transmitting services in another communication protocol. In some aspects, the second configuration may be used to reduce the interference caused by the voltage in the audio output of the audio device relative to the first configuration. Alternatively, the first configuration may be used to reduce the interference caused by the voltage in the audio output of the audio device relative to the second configuration. For example, the communication parameters of the second configuration may be based at least in part on reducing the transmission density from the audio device and / or the power density of the transmission over time to reduce the interference caused by the voltage.

[0095] The WCD may transmit an indication of received signal strength, and one or more audio devices may receive the indication of received signal strength, as indicated by reference numeral 530. For example, the received signal strength may be associated with uplink communications during communications using the second configuration.

[0096] The WCD may receive one or more communications having a maximum number of retransmissions, and the one or more audio devices may send one or more communications having a maximum number of retransmissions, as indicated by reference numeral 535. For example, the one or more communications may have a maximum number of retransmissions based at least in part on a received signal strength of an uplink communication.

[0097] In some aspects, the WCD may send an indication of a mapping of MCS values ​​and downlink transmit power prior to receiving one or more communications with a maximum number of retransmissions. The WCD may have sent an indication of MCS values ​​for downlink communications and / or uplink communications (e.g., as part of a first configuration or a second configuration). The WCD may send downlink communications while communicating using the second configuration, and the one or more audio devices may send uplink communications with a maximum number of retransmissions based at least in part on the uplink transmit power.

[0098] In some aspects, the audio device can measure the RSSI of the DL packets received from the WCD. Knowing the MCS-TxPower mapping and the actual MCS used in the received DL packets, the audio device can calculate the path loss. The audio device can estimate the RSSI at the WCD using the calculated path loss and the uplink transmit power from the audio device. The audio device can then determine the maximum number of retries for the WCD RSSI, as estimated.

[0099] As shown at reference numeral 540, the WCD may detect a configuration switch trigger. In some aspects, the configuration switch trigger may be based at least in part on a link quality metric associated with the wireless link or a change in a usage state of the WCD. In some aspects, the link quality metric may include a received RSSI value, a number of dropped packets, a number of retransmissions, and / or a packet error rate, among other examples.

[0100] In some aspects, the RSSI value used to detect the configuration switching trigger can be an average of a set of RSSI values ​​(e.g., recent RSSI values). Among other examples, the set of RSSI values ​​can be based at least in part on measurements made by the WCD or an indication of measurements made by one or more audio devices.

[0101] In some aspects, a change in the usage state of the WCD may include stopping low-latency data streaming, deactivating a screen, and / or exiting an application associated with downlink traffic or uplink traffic, among other examples.

[0102] In some aspects, the WCD may detect that link quality has degraded (eg, based at least in part on one or more link quality metrics) and / or the WCD may have changed a usage state of the WCD to a relaxed delay state.

[0103] As shown in reference numeral 545, the WCD may send an indication to switch to a different communication protocol, and one or more audio devices may receive the indication to switch to a different communication protocol. For example, the WCD may indicate a switch to a Bluetooth communication protocol. In some aspects, the different communication protocol may be associated with an increased delay and / or an increased range relative to the communication protocol associated with the first configuration.

[0104] As shown at reference numeral 550, the WCD and one or more audio devices may communicate using different communication protocols.

[0105] Based at least in part on the WCD instructing to switch between configurations and / or communication protocols, the WCD may reduce or avoid clicks and / or other noise caused by voltage induced in a speaker coil by DC current variations.

[0106] As mentioned above, Figure 5 are provided as examples. Other examples can be found in Figure 5 The examples described are different.

[0107] Figure 6 is a diagram of an example 600 associated with a configuration switch trigger for audio device communications according to the present disclosure. Figure 6 In the context of , a WCD (e.g., a STA, a UE, or a host device, among other examples) may communicate with one or more audio devices (e.g., earbuds). In some aspects, the WCD and the one or more audio devices may be in communication with each other. Figure 6 The operations shown are performed with a wireless connection already established.

[0108] The WCD may initiate a use state, as indicated by reference numeral 605. For example, the WCD may initiate a use state, such as ULL gaming or streaming lossless audio.

[0109] As shown at reference numeral 610, the WCD may identify an optimal channel for communicating with one or more audio devices. For example, the WCD and the one or more audio devices may measure reference signals to identify an optimal channel having characteristics such as a frequency band and / or a directional beam. The optimal channel may be a channel with the strongest received power, the highest signal-to-noise ratio (SNR), and / or low interference, among other examples.

[0110] As shown in the figure mark 615, the WCD can use a first configuration. The first configuration can be associated with ULL communication with the lowest delay and / or the lowest error rate. In some aspects, the first configuration can be associated with a first TWT SI for uplink communication and a second TWT SI for downlink communication. For example, the first configuration can be associated with a 4ms downlink SI and a 16ms uplink SI. In this way, the downlink SI has a smaller period between communication opportunities and can provide downlink information with reduced delay. Utilizing a longer uplink SI, the WCD and one or more audio devices can save network resources at least in part based on the fact that uplink communication is less frequent and / or has a relaxed delay requirement compared to downlink communication.

[0111] In some aspects, the first configuration may have the lowest power limit for uplink communications by the one or more audio devices. Additionally or alternatively, the first configuration may have the highest MCS.

[0112] As shown in reference numeral 620, the WCD may use a second configuration. The second configuration may be associated with ULL communications having a second low latency and / or a second low error rate. In some aspects, the second configuration may be associated with a third TWT SI for uplink communications and a fourth TWT SI for downlink communications. For example, the second configuration may be associated with an 8 ms downlink SI and a 16 ms uplink SI. In this way, the downlink SI has a smaller period between communication opportunities and may provide downlink information with reduced latency but with more latency than the first configuration.

[0113] In some aspects, the second configuration can have a second lower power limit for uplink communications by the one or more audio devices. Additionally or alternatively, the second configuration can have a second higher MCS or an MCS equal to the MCS of the first configuration.

[0114] In some aspects, the WCD can start the use state by selecting the first configuration. In this case, the WCD can start in the lowest delay configuration and switch from the first configuration to the second configuration when a configuration switching trigger is detected, as shown in reference numeral 625.

[0115] Alternatively, the WCD may initiate the use state by selecting the second configuration. In this case, the WCD may start with the second lowest latency configuration and switch out of the second configuration upon detecting a configuration switch trigger. In this case, the configuration switch trigger may indicate support for switching up to the first configuration or switching to a third configuration having a higher latency than the second configuration.

[0116] As shown at reference numeral 630, the WCD may switch the configuration from the second configuration to using a third configuration as shown at reference numeral 635. In some aspects, the third configuration may be associated with a higher latency than the second configuration. For example, the third configuration may be associated with a 16+ms SI for downlink communications and a 16-32+ms SI for uplink communications. Additionally or alternatively, the third configuration may be associated with a higher power limit than configurations 1 and / or 2, and / or may be configured with a lower MCS (e.g., having a lower spectral efficiency) than configurations 1 and / or 2.

[0117] In some aspects, the third configuration may be associated with a change in the usage state of the WCD and / or one or more audio devices. For example, the WCD may have stopped presenting audio from a stream (such as a game). Among other examples, this change in usage state may be detected based at least in part on detection of a drop in RSSI, detection of a change in screen state detection (e.g., screen locked and / or turned off), or detection of an operating mode detection using OS statistics (e.g., gaming or lossless operation and / or high quality (HQ) or 3D audio).

[0118] As indicated at reference numeral 635, the WCD may switch the configuration from the third configuration to use a different protocol, as indicated at reference numeral 645. In some aspects, the WCD may switch to a different protocol (e.g., a Bluetooth protocol) based at least in part on the different protocol having a greater range and / or reduced power consumption.

[0119] In some aspects, the WCD may switch the configuration to an improved latency configuration based at least in part on an improved link quality metric (e.g., an RSSI measurement, a number of dropped packets, a number of retransmissions, and / or a packet error rate, etc.) The improved link quality metric may be associated with a reduced number of retransmissions or other actions that cause the speaker coil to accumulate and release energy that is converted to unwanted sound from the speaker.

[0120] In some aspects, the WCD may switch a configuration to a more relaxed delay configuration based at least in part on a degraded link quality metric (such as an RSSI measurement, a number of dropped packets, a number of retransmissions, and / or a packet error rate, among other examples). The degraded link quality metric may be associated with an increased number of retransmissions or other actions that cause the speaker coil to accumulate and release energy that is converted to unwanted sound from the speaker. For this reason, for downlink communications, the transmit power may be reduced, the MCS may be reduced (e.g., to reduce retransmissions), and / or the SI may be increased to reduce the average amount of power used to communicate over time. In this way, the configuration may balance performance and unwanted sound from the speaker.

[0121] As mentioned above, Figure 6are provided as examples. Other examples can be found in Figure 6 The examples described are different.

[0122] Figure 7 7 is a diagram illustrating an example process 700 performed, for example, by a WCD, according to the present disclosure. Example process 700 is an example of a WCD (eg, a STA, a host device, or a UE) performing operations associated with a configuration switch trigger for audio device communications.

[0123] like Figure 7 As shown in , in some aspects, process 700 may include: communicating with an audio device via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS (block 710). For example, a WCD (e.g., using Fig. 9 The communication manager 906 depicted in FIG. 1 may communicate with the audio device via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS, as described above.

[0124] like Figure 7 As further shown in FIG. 7 , in some aspects, process 700 may include instructing a switch to a second configuration based at least in part on a configuration switch trigger based at least in part on one or more of a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for a communication parameter associated with a reduction in voltage-induced interference in an audio output of the audio device (block 720). For example, the WCD (e.g., using Fig. 9 The communication manager 906 depicted in FIG. 1 may indicate a switch to a second configuration based at least in part on a configuration switch trigger based at least in part on one or more of a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for a communication parameter associated with a reduction in voltage induced interference in an audio output of the audio device, as described above.

[0125] Process 700 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in combination with one or more other processes described elsewhere herein.

[0126] In a first aspect, the indication to switch to the second configuration includes an indication of an index associated with the second configuration, a proper subset of second values, or all second values.

[0127] In a second aspect, either alone or in combination with the first aspect, at least one of the first values ​​is different from at least one of the second values.

[0128] In a third aspect, alone or in combination with one or more of the first and second aspects, process 700 includes sending an indication to switch from the first communication protocol to the second communication protocol based at least in part on an additional configuration switching trigger.

[0129] In a fourth aspect alone or in combination with one or more of the first to third aspects, an additional configuration switching trigger is based at least in part on a degradation in link quality or a change in a usage state of the WCD to a relaxed delay state, and wherein the second communication protocol is associated with an increased delay or increased range relative to the first communication protocol.

[0130] In the fifth aspect, either alone or in combination with one or more of the first to fourth aspects, the link quality metric is based at least in part on one or more of: a received RSSI value, a number of dropped packets, a number of retransmissions, or a packet error rate.

[0131] In a sixth aspect alone or in combination with one or more of the first to fifth aspects, the RSSI value comprises an average of a set of recent RSSI values.

[0132] In a seventh aspect alone or in combination with one or more of the first to sixth aspects, the change in the use state of the WCD comprises stopping low-latency data streaming, deactivating a screen, or exiting an application associated with downlink traffic or uplink traffic.

[0133] In the eighth aspect, alone or in combination with one or more of the first to seventh aspects, the first configuration is associated with one or more of the following: a first maximum number of uplink data retransmissions, a first maximum number of uplink ACK retransmissions, a first delayed block ACK transmission strategy, a first QoS configuration, or a first configuration for transmission of services for an additional communication protocol that is different from the communication protocol associated with the wireless link, and wherein the second configuration is associated with one or more of the following: a second maximum number of uplink data retransmissions that is different from the first maximum number of uplink data retransmissions, a second maximum number of uplink ACK retransmissions that is different from the first maximum number of uplink ACK retransmissions, a second delayed block ACK transmission strategy that is different from the first delayed block ACK transmission strategy, or a second configuration for transmission of services for the additional communication protocol, and the second configuration is different from the first configuration for transmission of services for the additional communication protocol.

[0134] In the ninth aspect, alone or in combination with one or more of the first to eighth aspects, sending an indication to switch to a second configuration includes sending a first message indicating switching to a second value for uplink transmit power and sending a second message after the first message switching to one or more of a second value for a period for uplink traffic or a second value for a period for downlink traffic, or sending a single message indicating switching to a second value for uplink transmit power and switching to one or more of a second value for a period for uplink traffic or a second value for a period for downlink traffic.

[0135] In the tenth aspect, alone or in combination with one or more of the first to ninth aspects, one or more of the second values ​​are at least partially based on one or more additional values ​​of the second value, and wherein the indication of switching to the second configuration includes an indication of one or more additional values ​​of the second value.

[0136] In an eleventh aspect, either alone or in combination with one or more of aspects one through ten, process 700 comprises sending an indication of received signal strength for uplink communications, and receiving one or more communications having a maximum number of retransmissions based at least in part on the received signal strength for the uplink communications.

[0137] In the twelfth aspect, alone or in combination with one or more of the first to eleventh aspects, process 700 includes sending an indication of a mapping of MCS values ​​and downlink transmit power, sending an indication of an MCS value for downlink communication, sending downlink communication, and receiving uplink communication with a maximum number of retransmissions based at least in part on the uplink transmit power.

[0138] In the thirteenth aspect alone or in combination with one or more of the first to twelfth aspects, the indication is carried in communication with the audio device via a wireless link.

[0139] although Figure 7 Example blocks of process 700 are shown, but in some aspects, process 700 may include Figure 7 Additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in the process 700. Additionally or alternatively, two or more blocks in the blocks of process 700 may be executed in parallel.

[0140] Figure 8 is a diagram illustrating an example process 800 performed, for example, by an audio device in accordance with the present disclosure. The example process 800 is an example in which an audio device (eg, earbuds) performs operations associated with a configuration switch trigger for audio device communications.

[0141] like Figure 8As shown in , in some aspects, process 800 may include: communicating with a WCD via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS (block 810). For example, an audio device (e.g., using Fig.10 The receiving component 1002, transmitting component 1004 and / or communication manager 1006 depicted in the figure can communicate with the WCD via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS, as described above.

[0142] like Figure 8 As further shown in FIG. 8 , in some aspects, process 800 may include receiving an indication of a switch to a second configuration based at least in part on a configuration switch trigger based at least in part on one or more of a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for a communication parameter associated with a reduction in voltage-induced interference in an audio output of the audio device (block 820). For example, an audio device (e.g., using Fig.10 The receiving component 1002 and / or the communication manager 1006 depicted in the figure can receive an indication of switching to a second configuration based at least in part on a configuration switching trigger, the configuration switching trigger being based at least in part on one or more of a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for a communication parameter associated with a reduction in voltage induced interference in an audio output of the audio device, as described above.

[0143] Process 800 may include additional aspects, such as any single aspect or any combination of aspects described below and / or in combination with one or more other processes described elsewhere herein.

[0144] In a first aspect, the indication to switch to the second configuration includes an indication of an index associated with the second configuration, a proper subset of second values, or all second values.

[0145] In a second aspect, alone or in combination with the first aspect, at least one of the first values ​​is different from at least one of the second values.

[0146] In a third aspect alone or in combination with one or more of the first and second aspects, process 800 includes receiving an indication to switch from a first communication protocol to a second communication protocol based at least in part on an additional configuration switching trigger.

[0147] In a fourth aspect alone or in combination with one or more of the first to third aspects, an additional configuration switching trigger is based at least in part on a degradation in link quality or a change in a usage state of the WCD to a relaxed delay state, and wherein the second communication protocol is associated with an increased delay or increased range relative to the first communication protocol.

[0148] In the fifth aspect, either alone or in combination with one or more of the first to fourth aspects, the link quality metric is based at least in part on one or more of: a received RSSI value, a number of dropped packets, a number of retransmissions, or a packet error rate.

[0149] In a sixth aspect alone or in combination with one or more of the first to fifth aspects, the RSSI value comprises an average of a set of recent RSSI values.

[0150] In a seventh aspect alone or in combination with one or more of the first to sixth aspects, the change in the use state of the WCD comprises stopping low-latency data streaming, deactivating a screen, or exiting an application associated with downlink traffic or uplink traffic.

[0151] In the eighth aspect, alone or in combination with one or more of the first to seventh aspects, the first configuration is associated with one or more of the following: a first maximum number of uplink data retransmissions, a first maximum number of uplink ACK retransmissions, a first delayed block ACK transmission strategy, a first QoS configuration, or a first configuration of an additional communication protocol for transmission of services of an additional communication protocol that is different from the communication protocol associated with the wireless link, and wherein the second configuration is associated with one or more of the following: a second maximum number of uplink data retransmissions that is different from the first maximum number of uplink data retransmissions, a second maximum number of uplink ACK retransmissions that is different from the first maximum number of uplink ACK retransmissions, a second delayed block ACK transmission strategy that is different from the first delayed block ACK transmission strategy, or a second configuration for transmission of services of the additional communication protocol, and the second configuration is different from the first configuration for transmission of services of the additional communication protocol.

[0152] In the ninth aspect, alone or in combination with one or more of the first to eighth aspects, receiving an indication to switch to a second configuration includes: receiving a first message indicating a switch to a second value for uplink transmit power, and receiving, after the first message, a second message indicating a switch to one or more of a second value for a period for uplink traffic or a second value for a period for downlink traffic, or receiving a single message indicating a switch to a second value for uplink transmit power and a switch to one or more of a second value for a period for uplink traffic or a second value for a period for downlink traffic.

[0153] In the tenth aspect, alone or in combination with one or more of the first to ninth aspects, one or more of the second values ​​are at least partially based on one or more additional values ​​of the second value, and wherein the indication of switching to the second configuration includes an indication of one or more additional values ​​of the second value.

[0154] In the eleventh aspect, alone or in combination with one or more of the first to tenth aspects, process 800 includes estimating received signal strength of uplink communications and sending one or more communications with a maximum number of retransmissions based at least in part on the received signal strength of the uplink communications.

[0155] In a twelfth aspect, alone or in combination with one or more of aspects one to eleven, process 800 includes receiving an indication of a mapping of an MCS value and a downlink transmit power, receiving an indication of an MCS value for a first downlink communication, receiving the first downlink communication, measuring a received signal strength of the first downlink communication, estimating a path loss of the first downlink communication, configuring an uplink transmit power based at least in part on the path loss of the first downlink communication, and configuring a maximum number of retransmissions based at least in part on the uplink transmit power.

[0156] In the thirteenth aspect alone or in combination with one or more of the first to twelfth aspects, the indication is carried in a communication with the audio device via a wireless link.

[0157] although Figure 8 An example block diagram of process 800 is shown, but in some aspects, process 800 may include Figure 8 Additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in the process 800. Additionally or alternatively, two or more blocks in the blocks of process 800 may be executed in parallel.

[0158] Fig. 9 is a diagram of an exemplary apparatus 900 for wireless communication according to the present disclosure. Apparatus 900 may be a WCD, or a WCD may include apparatus 900. In some aspects, apparatus 900 includes a receiving component 902 and a sending component 904, which may communicate with each other (e.g., via one or more buses and / or one or more other components). As shown, apparatus 900 may communicate with another apparatus 906 (such as a peripheral device, an earbud, an audio device, and / or another wireless communication device) using receiving component 902 and sending component 904. As further shown, apparatus 900 may include a communication manager 908.

[0159] In some aspects, the apparatus 900 may be configured to perform one or more operations described herein. Additionally or alternatively, the apparatus 900 may be configured to perform one or more processes described herein, such as Figure 3 In some aspects, the apparatus 900 and / or Fig. 9 One or more of the components shown may include a combination of Figure 2 Additionally or alternatively, Fig. 9 One or more of the components shown in the figure may be combined with Figure 2 In some embodiments, the present invention may be implemented in one or more components described in the present invention. Additionally or alternatively, one or more components in the set of components may be at least partially implemented as software stored in a memory. For example, a component (or a portion of a component) may be implemented as instructions or codes stored in a non-transitory computer-readable medium and executable by a controller or processor to perform the function or operation of the component.

[0160] The receiving component 902 may receive communications from the device 906, such as reference signals, control information, data communications, or a combination thereof. The receiving component 902 may provide the received communications to one or more other components of the device 900. In some aspects, the receiving component 902 may perform signal processing (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding, among other examples) on the received communications and may provide the processed signals to one or more other components of the device 900. In some aspects, the receiving component 902 may include combining Figure 2 One or more antennas, modems, demodulators, MIMO detectors, receive processors, controllers / processors, memories, or combinations thereof of a WCD are described.

[0161] Transmit component 904 may transmit communications, such as reference signals, control information, data communications, or a combination thereof, to device 906. In some aspects, one or more other components of device 900 may generate communications and may provide the generated communications to transmit component 904 for transmission to device 906. In some aspects, transmit component 904 may perform signal processing (e.g., filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples) on the generated communications and may transmit the processed signals to device 906. In some aspects, transmit component 904 may include combining Figure 2 One or more antennas, modems, modulators, transmit MIMO processors, transmit processors, controllers / processors, memories, or combinations thereof of the described WCD. In some aspects, transmit component 904 can be co-located with receive component 902 in a transceiver.

[0162] The communication manager 908, the receiving component 902, and / or the sending component 904 can communicate with the audio device via the wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or an MCS. The sending component 904 can send an indication to switch to a second configuration based at least in part on a configuration switching trigger, the configuration switching trigger being based at least in part on one or more of the following: a link quality metric associated with the wireless link or a change in the usage state of the WCD, and the second configuration having a second value for the communication parameter.

[0163] The sending component 904 can send an indication to switch from the first communication protocol to the second communication protocol based at least in part on the additional configuration switching trigger.

[0164] Transmitting component 904 can transmit an indication of received signal strength for uplink communications.

[0165] Receiving component 902 can receive one or more communications having a maximum number of retransmissions based at least in part on a received signal strength of the uplink communications.

[0166] Transmitting component 904 can transmit an indication of a mapping of MCS values ​​and downlink transmit power.

[0167] Transmitting component 904 can transmit an indication of an MCS value for downlink communications.

[0168] Transmitting component 904 can transmit downlink communications.

[0169] Receiving component 902 can receive uplink communications having a maximum number of retransmissions based at least in part on an uplink transmit power.

[0170] Fig. 9 The number and arrangement of components shown in the figure are provided as examples. In practice, there may be Fig. 9 The components shown in the figure may include additional components, fewer components, different components, or differently arranged components. Fig. 9 Two or more components shown in may be implemented in a single component, or Fig. 9 The single component shown in can be implemented as multiple distributed components. Additionally or alternatively, Fig. 9 A set (one or more) of components shown in the figure may perform the operations described as being performed by Fig. 9 One or more functions performed by another set of components shown in FIG.

[0171] Fig.101 is a diagram of an exemplary apparatus 1000 for wireless communication according to the present disclosure. Apparatus 1000 may be an audio device, or an audio device may include apparatus 1000. In some aspects, apparatus 1000 includes a receiving component 1002 and a sending component 1004, which may communicate with each other (e.g., via one or more buses and / or one or more other components). As shown, apparatus 1000 may communicate with another apparatus 1006 (e.g., a UE, a base station, or another wireless communication device) using receiving component 1002 and sending component 1004. As further shown, apparatus 1000 may include a communication manager 1008.

[0172] In some aspects, the apparatus 1000 may be configured to perform one or more operations described herein. Additionally or alternatively, the apparatus 1000 may be configured to perform one or more processes described herein, such as Figure 4 In some aspects, the apparatus 1000 and / or Fig.10 One or more of the components shown may include a combination of Figure 2 Additionally or alternatively, Fig.10 One or more of the components shown in the figure may be combined with Figure 2 In some embodiments, the present invention may be implemented in one or more components described in the present invention. Additionally or alternatively, one or more components in the set of components may be at least partially implemented as software stored in a memory. For example, a component (or a portion of a component) may be implemented as instructions or codes stored in a non-transitory computer-readable medium and executable by a controller or processor to perform the function or operation of the component.

[0173] The receiving component 1002 may receive communications from the device 1006, such as reference signals, control information, data communications, or a combination thereof. The receiving component 1002 may provide the received communications to one or more other components of the device 1000. In some aspects, the receiving component 1002 may perform signal processing (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, demapping, equalization, interference cancellation, or decoding, among other examples) on the received communications and may provide the processed signals to one or more other components of the device 1000. In some aspects, the receiving component 1002 may include combining Figure 2 One or more antennas, modems, demodulators, MIMO detectors, receive processors, controllers / devices, memories, or combinations thereof of the described audio processors.

[0174] The transmitting component 1004 may transmit communications, such as reference signals, control information, data communications, or a combination thereof, to the apparatus 1006. In some aspects, one or more other components of the apparatus 1000 may generate communications and may provide the generated communications to the transmitting component 1004 for transmission to the apparatus 1006. In some aspects, the transmitting component 1004 may perform signal processing (e.g., filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples) on the generated communications and may transmit the processed signals to the apparatus 1006. In some aspects, the transmitting component 1004 may include combining Figure 2 One or more antennas, modems, modulators, transmit MIMO processors, transmit processors, controllers / devices, memories, or combinations thereof of the described audio processors. In some aspects, the transmit component 1004 can be co-located with the receive component 1002 in a transceiver.

[0175] Communications manager 1008, receiving component 1002, and / or transmitting component 1004 can communicate with the WCD via a wireless link using a first configuration having first values ​​for communication parameters, including one or more of the following: a period of uplink traffic, a period of downlink traffic, uplink transmit power, or MCS. Receiving component 1002 can receive an indication of switching to a second configuration based at least in part on a configuration switching trigger based at least in part on one or more of the following: a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having second values ​​for the communication parameters.

[0176] Receiving component 1002 can receive an indication to switch from a first communication protocol to a second communication protocol based at least in part on an additional configuration switching trigger.

[0177] Receiving component 1002 can estimate received signal strength of uplink communications.

[0178] Transmitting component 1004 can transmit one or more communications having a maximum number of retransmissions based at least in part on a received signal strength of the uplink communications.

[0179] Receiving component 1002 can receive an indication of a mapping of MCS values ​​and downlink transmit power.

[0180] Receiving component 1002 can receive an indication of an MCS value for a first downlink communication.

[0181] Receiving component 1002 can receive a first downlink communication.

[0182] The communications manager 1008, receiving component 1002, and / or transmitting component 1004 can measure a received signal strength of the first downlink communication.

[0183] The communications manager 1008 may estimate a path loss for the first downlink communication.

[0184] The communications manager 1008 and / or the transmitting component 1004 can configure the uplink transmit power based at least in part on the path loss of the first downlink communication.

[0185] The communications manager 1008 can configure a maximum number of retransmissions based at least in part on the uplink transmit power.

[0186] Fig.10 The number and arrangement of components shown in the figure are provided as examples. In practice, there may be Fig.10 The components shown in the figure may include additional components, fewer components, different components, or differently arranged components. Fig.10 Two or more components shown in may be implemented in a single component, or Fig.10 The single component shown in can be implemented as multiple distributed components. Additionally or alternatively, Fig.10 A set (one or more) of components shown in the figure may perform the operations described as being performed by Fig.10 One or more functions performed by another set of components shown in FIG.

[0187] The following provides an overview of some aspects of the disclosure:

[0188] Aspect 1: A method of wireless communication performed by a wireless communication device (WCD), comprising: communicating with an audio device via a wireless link using a first configuration having first values ​​for communication parameters, the communication parameters including one or more of the following: a period of uplink traffic, a period of downlink traffic, uplink transmit power, or a modulation and coding scheme (MCS); and sending an indication to switch to a second configuration based at least in part on a configuration switching trigger, the configuration switching trigger being based at least in part on one or more of a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having second values ​​for these communication parameters.

[0189] Aspect 2: The method according to aspect 1, wherein the indication of switching to the second configuration comprises an indication of: an index associated with the second configuration, a proper subset of the second values, or all the second values.

[0190] Aspect 3: The method according to any of aspects 1-2, wherein at least one of the first values ​​is different from at least one of the second values.

[0191] Aspect 4: The method according to any one of aspects 1-3 further comprises: sending an indication of switching from the first communication protocol to the second communication protocol based at least in part on an additional configuration switching trigger.

[0192] Aspect 5: A method according to Aspect 4, wherein the additional configuration switch trigger is based at least in part on degradation of link quality or a change in the usage state of the WCD to a relaxed delay state, and wherein the second communication protocol is associated with increased delay or increased range relative to the first communication protocol.

[0193] Aspect 6: A method according to any one of aspects 1-5, wherein the link quality metric is based at least in part on one or more of the following: a received signal strength indication (RSSI) value, a number of discarded packets, a number of retransmissions, or a packet error rate.

[0194] Aspect 7: The method according to aspect 6, wherein the RSSI value comprises an average of a group of recent RSSI values.

[0195] Aspect 8: The method according to any one of aspects 1-7, wherein the change in the use state of the WCD comprises: stopping low-latency data flow, deactivating a screen, or exiting an application associated with a downlink service or an uplink service.

[0196] Aspect 9: A method according to any one of Aspects 1-8, wherein the first configuration is associated with one or more of the following items: a first maximum number of uplink data retransmissions, a first maximum number of uplink acknowledgment (ACK) retransmissions, a first delayed block ACK transmission strategy, a first quality of service (QoS) configuration, or a first configuration for transmission of services for an additional communication protocol other than the communication protocol associated with the wireless link, and wherein the second configuration is associated with one or more of the following items: a second maximum number of uplink data retransmissions different from the first maximum number of uplink data retransmissions, a second maximum number of uplink ACK retransmissions different from the first maximum number of uplink ACK retransmissions, a second delayed block ACK transmission strategy different from the first delayed block ACK transmission strategy, a second QoS configuration different from the first delayed block ACK transmission strategy, or a second configuration for transmission of services for the additional communication protocol, and the second configuration is different from the first configuration for transmission of services for the additional communication protocol.

[0197] Aspect 10: A method according to any one of Aspects 1-9, wherein sending an indication of switching to a second configuration includes: sending: a first message indicating switching to a second value for uplink transmit power, and a second message after the first message indicating switching to one or more of a second value for a period for uplink service or a second value for a period for downlink service; or sending a single message indicating switching to a second value for uplink transmit power and switching to one or more of a second value for a period for uplink service or a second value for a period for downlink service.

[0198] Aspect 11: A method according to any one of Aspects 1-10, wherein one or more of the second values ​​are based at least in part on one or more additional values ​​of the second values, and wherein the indication of switching to the second configuration includes an indication of one or more additional values ​​of the second values.

[0199] Aspect 12: The method according to any one of Aspects 1-11 also includes: sending an indication of the received signal strength of the uplink communication; and receiving one or more communications with a maximum number of retransmissions based at least in part on the received signal strength of the uplink communication.

[0200] Aspect 13: The method according to any one of Aspects 1-12 further includes: sending an indication of a mapping of an MCS value and a downlink transmit power; sending an indication of an MCS value for downlink communication; sending the downlink communication; and receiving an uplink communication having a maximum number of retransmissions based at least in part on the uplink transmit power.

[0201] Aspect 14: A method of wireless communication performed by an audio device, comprising: communicating with a wireless communication device (WCD) via a wireless link using a first configuration having a first value for a communication parameter, the communication parameter including one or more of the following: a period of uplink traffic, a period of downlink traffic, an uplink transmit power, or a modulation and coding scheme (MCS); and receiving an indication of switching to a second configuration based at least in part on a configuration switching trigger, the configuration switching trigger being based at least in part on one or more of a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for the communication parameter.

[0202] Aspect 15: The method according to aspect 14, wherein the indication of switching to the second configuration comprises an indication of: an index associated with the second configuration, a proper subset of the second values, or all the second values.

[0203] Aspect 16: The method according to any one of aspects 14-15, wherein at least one of the first values ​​is different from at least one of the second values.

[0204] Aspect 17: The method according to any one of aspects 14-16 further comprises: receiving an indication of switching from the first communication protocol to the second communication protocol based at least in part on the additional configuration switching trigger.

[0205] Aspect 18: A method according to Aspect 17, wherein the additional configuration switching trigger is based at least in part on degradation of link quality or a change in the usage state of the WCD to a relaxed delay state, and wherein the second communication protocol is associated with increased delay or increased range relative to the first communication protocol.

[0206] Aspect 19: A method according to any one of aspects 14-18, wherein the link quality metric is based at least in part on one or more of: a received signal strength indication (RSSI) value, a number of dropped packets, a number of retransmissions, or a packet error rate.

[0207] Aspect 20: The method according to aspect 19, wherein the RSSI value comprises an average of a group of recent RSSI values.

[0208] Aspect 21: The method according to any one of aspects 14-20, wherein the change in the use state of the WCD comprises: stopping low-latency data flow, deactivating a screen, or exiting an application associated with a downlink service or an uplink service.

[0209] Aspect 22: A method according to any one of Aspects 14-21, wherein the first configuration is associated with one or more of the following items: a first maximum number of uplink data retransmissions, a first maximum number of uplink acknowledgment (ACK) retransmissions, a first delayed block ACK transmission strategy, a first quality of service (QoS) configuration, or a first configuration for transmission of services for an additional communication protocol other than the communication protocol associated with the wireless link, and wherein the second configuration is associated with one or more of the following items: a second maximum number of uplink data retransmissions different from the first maximum number of uplink data retransmissions, a second maximum number of uplink ACK retransmissions different from the first maximum number of uplink ACK retransmissions, a second delayed block ACK transmission strategy different from the first delayed block ACK transmission strategy, a second QoS configuration different from the first delayed block ACK transmission strategy, or a second configuration for transmission of services for the additional communication protocol, and the second configuration is different from the first configuration for transmission of services for the additional communication protocol.

[0210] Aspect 23: A method according to any one of Aspects 14-22, wherein receiving an indication to switch to a second configuration includes: receiving: a first message indicating a switch to a second value for uplink transmit power, and, after the first message, a second message indicating a switch to one or more of a second value for a period for uplink service or a second value for a period for downlink service; or receiving a single message indicating a switch to a second value for uplink transmit power and a switch to one or more of a second value for a period for uplink service or a second value for a period for downlink service.

[0211] Aspect 24: A method according to any one of Aspects 14-23, wherein one or more of the second values ​​are based at least in part on one or more additional values ​​of the second value, and wherein the indication of switching to the second configuration includes an indication of one or more additional values ​​of the second value.

[0212] Aspect 25: The method according to any one of Aspects 14-24 also includes: estimating the received signal strength of the uplink communication; and sending one or more communications with a maximum number of retransmissions based at least in part on the received signal strength of the uplink communication.

[0213] Aspect 26: The method according to any one of Aspects 14-25 also includes: receiving an indication of a mapping of an MCS value and a downlink transmit power; receiving an indication of an MCS value for a first downlink communication; receiving the first downlink communication; measuring the received signal strength of the first downlink communication; estimating the path loss of the first downlink communication; configuring an uplink transmit power based at least in part on the path loss of the first downlink communication; and configuring a maximum number of retransmissions based at least in part on the uplink transmit power.

[0214] Aspect 27: An apparatus for wireless communication at a device, comprising: a processor; a memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform one or more methods of aspects 1-26.

[0215] Aspect 28: An apparatus for wireless communication, comprising a memory and one or more processors coupled to the memory, the one or more processors configured to perform the method of one or more of aspects 1-26.

[0216] Aspect 29: An apparatus for wireless communication, comprising at least one means for performing the method according to one or more of aspects 1-26.

[0217] Aspect 30: A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to perform the method according to one or more of aspects 1-26.

[0218] Aspect 31: A non-transitory computer-readable medium storing an instruction set for wireless communication, the instruction set comprising one or more instructions that, when executed by one or more processors of a device, cause the device to perform the method of one or more of aspects 1-26.

[0219] The foregoing disclosure provides illustration and description, but is not intended to be exhaustive or to limit the various aspects to the precise forms disclosed. Modifications and variations may be made in light of the foregoing disclosure, or may be acquired from the practice of various aspects.

[0220] Further disclosure is included in the appendix. The appendix is ​​provided as an example only and is considered to be part of the specification. The definitions, illustrations, or other descriptions in the appendix do not replace or cover similar information included in the specific embodiments or drawings. In addition, the definitions, illustrations, or other descriptions in the specific embodiments or drawings do not replace or cover similar information included in the appendix. In addition, the appendix is ​​not intended to limit the disclosure of possible aspects.

[0221] As used herein, the term "component" is intended to be broadly interpreted as a combination of hardware and / or hardware and software. Whether referred to as software, firmware, middleware, microcode, hardware description language or other terms, "software" should be broadly interpreted as meaning instructions, instruction sets, codes, code segments, program codes, programs, subroutines, software modules, applications, software applications, software packages, routines, subroutines, objects, executable files, execution threads, processes and / or functions, and other examples. As used herein, a "processor" is implemented with a combination of hardware and / or hardware and software. It is obvious that the system and / or method described herein can be implemented with a combination of hardware and / or hardware and software in different forms. The actual dedicated control hardware or software code used to implement these systems and / or methods does not limit these aspects. Therefore, the operation and behavior of the system and / or method are described herein without reference to specific software codes, because those skilled in the art will understand that software and hardware can be designed to implement the system and / or method based at least in part on the description herein.

[0222] As used herein, "satisfying a threshold" may refer to a value greater than a threshold, greater than or equal to a threshold, less than a threshold, less than or equal to a threshold, equal to a threshold, not equal to a threshold, etc., depending on the context.

[0223] Even if a specific combination of features is described in the claims and / or disclosed in the specification, these combinations are not intended to limit the disclosure of various aspects. Many of these features can be combined in a manner not specifically described in the claims and / or not disclosed in the specification. The disclosure of various aspects includes the combination of each dependent claim with each other claim in the claim set. As used herein, the phrase "at least one" mentioned in the project list refers to any combination of these projects, including a single member. As an example, "at least one of a, b or c" is intended to cover a, b, c, a+b, a+c, b+c and a+b+c, and any combination with multiple identical elements (e.g., a+a, a+a+a, a+a+b, a+a+c, a+b+b, a+c+c, b+b, b+b+b, b+b+c, c+c and c+c+c, or any other ordering of a, b and c).

[0224] Unless explicitly described as such, the elements, actions, or instructions used herein should not be interpreted as critical or essential. Furthermore, as used herein, the articles "a" and "an" are intended to include one or more items and can be used interchangeably with "one or more." Furthermore, as used herein, the article "the" is intended to include one or more items referenced in conjunction with the article "the" and can be used interchangeably with "one or more." Furthermore, as used herein, the terms "set" and "group" are intended to include one or more items and can be used interchangeably with "one or more." Figure 1 In the case of multiple items, the phrase "only one" or similar language is used. In addition, as used herein, the terms "has," "have," "having," and the like are intended to be open-ended terms that do not limit the elements they modify (e.g., an element "having" A may also have B). In addition, unless expressly stated otherwise, the phrase "based on" is intended to mean "based at least in part on." In addition, as used herein, the term "or" when used in series is intended to be inclusive and may be used interchangeably with "and / or" unless expressly stated otherwise (e.g., if used in combination with "either" or "only one of").

Claims

1. A wireless communication device WCD for wireless communication, comprising: Memory; as well as One or more processors, coupled to the memory, configured to: communicating with the audio device via the wireless link using a first configuration having first values ​​for communication parameters, the communication parameters comprising one or more of: The uplink service cycle, The downlink traffic cycle, Uplink transmit power, or Modulation and Coding Scheme MCS; and An indication to switch to a second configuration is sent based at least in part on a configuration switch trigger based at least in part on one or more of a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration has a second value for the communication parameter.

2. The WCD of claim 1, wherein: The instruction to switch to the second configuration includes instructions for: an index associated with the second configuration, a proper subset of the second value, or All second values.

3. The WCD of claim 1, wherein: At least one of the first values ​​is different from at least one of the second values.

4. The WCD of claim 1, wherein: The one or more processors are further configured to: An indication to switch from the first communication protocol to the second communication protocol is sent based at least in part on the additional configuration switching trigger.

5. The WCD of claim 4, wherein: The additional configuration switching trigger is based at least in part on degradation of link quality or a change in a usage state of the WCD to a relaxed delay state, and Wherein the second communication protocol is associated with increased latency or increased range relative to the first communication protocol.

6. The WCD of claim 1, wherein: The link quality metric is based at least in part on one or more of: Received signal strength indicator RSSI value, The number of packets dropped, The number of retransmissions, or Packet error rate.

7. The WCD of claim 6, wherein the RSSI value comprises an average of a set of recent RSSI values.

8. The WCD of claim 1, wherein: The change of the use status of the WCD includes: The cessation of low latency data flow, Deactivation of the screen, or An application associated with the downlink service or the uplink service is exited.

9. The WCD of claim 1, wherein: The first configuration is associated with one or more of the following: a first maximum number of uplink data retransmissions, The first maximum number of uplink ACK retransmissions, First delayed block ACK transmission strategy, The first QoS configuration, or a first configuration for transmission of traffic of an additional communication protocol different from the communication protocol associated with the wireless link, and The second configuration is associated with one or more of the following: a second maximum number of uplink data retransmissions different from said first maximum number of uplink data retransmissions, a second maximum number of uplink ACK retransmissions different from said first maximum number of uplink ACK retransmissions, a second delayed block ACK transmission strategy different from the first delayed block ACK transmission strategy, a second QoS configuration different from the first QoS configuration, or A second configuration for transmission of traffic of the additional communication protocol, the second configuration being different from the first configuration for transmission of traffic of the additional communication protocol.

10. The WCD of claim 1, wherein: To send the indication of switching to the second configuration, the one or more processors are configured to: send: a first message indicating a switch to a second value for uplink transmit power, and a second message, after the first message, switching to one or more of a second value of a period for uplink traffic or a second value of a period for downlink traffic; or A single message is sent indicating one or more of switching to a second value for uplink transmit power and switching to a second value for a periodicity of uplink traffic or to the second value for a periodicity of downlink traffic.

11. The WCD of claim 1 , wherein: One or more of the second values ​​are based at least in part on one or more additional values ​​of the second values, and Wherein the indication of switching to the second configuration comprises an indication of the one or more additional values ​​of the second value.

12. The WCD of claim 1, wherein: The one or more processors are further configured to: sending an indication of received signal strength for uplink communications; and One or more communications are received having a maximum number of retransmissions based at least in part on the received signal strength of the uplink communication.

13. The WCD of claim 1, wherein: The one or more processors are further configured to: sending an indication of a mapping of an MCS value and a downlink transmit power; sending an indication of an MCS value for downlink communications; sending the downlink communication; as well as An uplink communication is received having a maximum number of retransmissions based at least in part on the uplink transmit power.

14. The WCD of claim 1, wherein: The indication is carried in a communication with the audio device via the wireless link.

15. An audio device for wireless communication, comprising: Memory; as well as One or more processors, coupled to the memory, configured to: Communicating with a wireless communication device WCD via a wireless link using a first configuration having first values ​​for communication parameters including one or more of: The uplink service cycle, The downlink traffic cycle, Uplink transmit power, or Modulation and Coding Scheme MCS; and An indication to switch to a second configuration is received based at least in part on a configuration switch trigger based at least in part on one or more of a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration has a second value for the communication parameter.

16. The audio device of claim 15, wherein the indication to switch to the second configuration comprises an indication to: an index associated with the second configuration, a proper subset of the second value, or All second values.

17. The audio device of claim 15, wherein at least one of the first values ​​is different from at least one of the second values.

18. The audio device of claim 15, wherein the one or more processors are further configured to: An indication to switch from a first communication protocol to a second communication protocol based at least in part on an additional configuration switching trigger is received.

19. The audio device of claim 18, wherein: The additional configuration switching trigger is based at least in part on degradation of link quality or a change in a usage state of the WCD to a relaxed delay state, and Wherein the second communication protocol is associated with increased latency or increased range relative to the first communication protocol.

20. The audio device of claim 15, wherein: The link quality metric is based at least in part on one or more of: Received signal strength indicator RSSI value, The number of packets dropped, The number of retransmissions, or Packet error rate.

21. The audio device of claim 20, wherein the RSSI value comprises an average of a set of recent RSSI values.

22. The audio device of claim 15, wherein: The change of the use status of the WCD includes: The cessation of low latency data flow, Deactivation of the screen, or An application associated with the downlink service or the uplink service is exited.

23. The audio device of claim 15, wherein: The first configuration is associated with one or more of the following: a first maximum number of uplink data retransmissions, The first maximum number of uplink ACK retransmissions, First delayed block ACK transmission strategy, The first QoS configuration, or a first configuration for transmission of traffic of an additional communication protocol different from the communication protocol associated with the wireless link, and The second configuration is associated with one or more of the following: a second maximum number of uplink data retransmissions different from said first maximum number of uplink data retransmissions, a second maximum number of uplink ACK retransmissions different from said first maximum number of uplink ACK retransmissions, a second delayed block ACK transmission strategy different from the first delayed block ACK transmission strategy, a second QoS configuration different from the first QoS configuration, or A second configuration for transmission of traffic of the additional communication protocol, the second configuration being different from the first configuration for transmission of traffic of the additional communication protocol.

24. The audio device of claim 15, wherein to receive the indication to switch to the second configuration, the one or more processors are configured to: take over: a first message indicating a switch to a second value for uplink transmit power, and A second message, after the first message, to switch to one or more of a second value of a period for uplink traffic or a second value of a period for downlink traffic; or receiving a single message, the single message indicating a switch to a second value for uplink transmit power and a switch to one or more of a second value of a period for uplink traffic or a second value of a period for downlink traffic.

25. The audio device of claim 15, wherein: One or more of the second values ​​are based at least in part on one or more additional values ​​of the second values, and Wherein the indication of switching to the second configuration comprises an indication of the one or more additional values ​​of the second value.

26. The audio device of claim 15, wherein the one or more processors are further configured to: estimating received signal strength of uplink communications; and One or more communications are sent with a maximum number of retransmissions based at least in part on a received signal strength of the uplink communications.

27. The audio device of claim 15, wherein the one or more processors are further configured to: receiving an indication of a mapping of an MCS value and a downlink transmit power; receiving an indication of an MCS value for a first downlink communication; receiving the first downlink communication; measuring a received signal strength of the first downlink communication; estimating a path loss for the first downlink communication; configuring uplink transmit power based at least in part on the path loss of the first downlink communication; as well as A maximum number of retransmissions is configured based at least in part on the uplink transmit power.

28. The audio device of claim 15, wherein: The indication is carried in a communication with the audio device via the wireless link.

29. A method of wireless communication performed by a wireless communication device WCD, comprising: communicating with the audio device via the wireless link using a first configuration having first values ​​for communication parameters, the communication parameters comprising one or more of: The uplink service cycle, The downlink traffic cycle, Uplink transmit power, or Modulation and Coding Scheme MCS; and Switching to a second configuration is indicated based at least in part on a configuration switch trigger, the configuration switch trigger being based at least in part on one or more of a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for the communication parameter associated with a reduction in voltage induced interference in an audio output of the audio device.

30. A method of wireless communication performed by an audio device, comprising: Communicating with a wireless communication device WCD via a wireless link using a first configuration having first values ​​for communication parameters including one or more of: The uplink service cycle, The downlink traffic cycle, Uplink transmit power, or Modulation and Coding Scheme MCS; and Receiving an indication to switch to a second configuration based at least in part on a configuration switch trigger, the configuration switch trigger being based at least in part on one or more of: a link quality metric associated with the wireless link or a change in a usage state of the WCD, and the second configuration having a second value for the communication parameter associated with a reduction in voltage induced interference in an audio output of the audio device.

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