79 results about "Personal area network" patented technology

This application discloses a communication method for a UWB and a related product. This application can be applied to a UWB-based wireless personal area network system, a sensing system, a positioning system, a ranging system, or a communication system, and can be further applied to a wireless local area network system that supports 802.11 series protocols such as a next-generation Wi-Fi protocol of IEEE 802.11ax, for example, 802.11be or Wi-Fi 7, and a next-generation protocol of 802.11be, for example, Wi-Fi 8. The method includes: generating a first message including a first bitmap, where an ith bit in the first bitmap corresponds to an ith UWB device, and when the ith bit is set to a specified value, the ith bit indicates a location of parameter configuration information of the ith UWB device in a first DPL; and sending the first message.

The embodiments of this disclosure disclose a communication method for a UWB and a related product. This disclosure may be applied to a UWB-based wireless personal area network system, a sensing system, a positioning system, a ranging system, or a communication system, and may be further applied to a wireless local area network system that supports 802.11 series protocols such as a next-generation Wi-Fi protocol of IEEE 802.11ax, for example, 802.11be or Wi-Fi 7, and a next-generation protocol of 802.11be, for example, Wi-Fi 8. The method includes: generating indication information, where the indication information indicates to construct a frame counter (FC) based on a first field in a first message, and the first field indicates a type of the first message; and sending the indication information.

A communication method and apparatus based on a PPDU are provided, are applied to a wireless local area network system that supports 802.11 series protocols such as next-generation Wi-Fi protocols of IEEE 802.11ax like 802.11be, Wi-Fi 7, or EHT, and next generation of 802.1 1be or Wi-Fi 8, and may be further applied to a UWB-based wireless personal area network system, a sensing (sensing) system, and the like. A first communication apparatus generates a PPDU, and sends the PPDU. Correspondingly, a second communication apparatus receives the PPDU, and processes the PPDU based on an index value of a pilot subcarrier. The PPDU includes the pilot subcarrier and a data subcarrier, and a signal modulus value of the pilot subcarrier is greater than a signal modulus value of the data subcarrier. This effectively improves demodulation accuracy of the second communication apparatus.

Methods and systems for improving wireless personal area network performance in dense wireless environments. The disclosed method includes, among other things, receiving, from a wireless personal area network (WPAN) sub-system of a wireless device, a frequency band congestion alert indicating congestion on a frequency band shared by the WPAN sub-system and a wireless local area network (WLAN) sub-system of the wireless device and causing the WPAN sub-system to update, in an adaptive frequency hopping (AFH) channel map of the WPAN sub-system, a classification of a first subset of a plurality of WPAN channels within the frequency band associated with a first WLAN channel of a plurality of WLAN channels within the frequency band utilized by the WLAN sub-system.

A channel access method and a communication apparatus. The method can be applied to WLAN systems supporting IEEE 802.11ax next-generation Wi-Fi protocols such as 802.11be, Wi-Fi 7 or EHT, and 802.11 series protocols such as 802.11be next-generation and Wi-Fi 8, and can also be applied to UWB-based wireless personal area network systems and sensing systems. In the method, a first station can send a latency signal, so that an opportunity for prioritized channel access can be obtained, thereby reducing channel access latency. In addition, the first station can further perform first backoff before sending the latency signal, thereby reducing the impact of sending latency signals on channel access of conventional devices. In conclusion, the solution can achieve a balance between latency performance and fairness.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device (WCD) may perform a clock tracking procedure that comprises: transmitting, to an access point (AP), an extended personal area network (XPAN) synchronization message pair that is addressed to a peripheral device associated with the WCD, and receiving, from the AP, an XPAN synchronization response message pair that is associated with the XPAN synchronization message pair. The WCD may transmit, to the AP, user data that is addressed to the peripheral device at a time that is based at least in part on an estimated awake window, the estimated awake window being based at least in part on the XPAN synchronization response message pair. Numerous other aspects are described.

A communication method and a related device are applied to a wireless local area network system supporting an IEEE 802.1 lax next generation Wi-Fi protocol, such as 802.11 be, Wi-Fi 7 or EHT, and 802.11 series protocols such as 802.11 be next generation, Wi-Fi 8, UHR, Wi-Fi AI and the like, and can also be applied to a wireless personal local area network system and a sensing system based on ultra-bandwidth. The AP MLD sends at least one first frame on at least one first link; the first frame indicates the effective starting time of the service identifier and link mapping; when the service identifier and the link mapping indicate that the second link is closed, the time for closing the second link by the AP MLD is not earlier than the time point Tb; when the service identifier and the link mapping indicate that the second link is opened, the time for opening the second link by the AP MLD is not later than the time point Ta; ta is earlier than Tb. The communication reliability can be improved.

The invention provides a communication method and a communication device, which can be applied to a WLAN (Wireless Local Area Network) system supporting an IEEE (Institute of Electrical and Electronic Engineers) 802.11 ax next generation Wi-Fi (Wireless Fidelity) protocol, such as 802.11 be, Wi-Fi 7 or EHT, and then 802.11 series protocols, such as 802.11 be next generation, Wi-Fi 8 and the like, and can also be applied to a UWB (Ultra Wideband)-based wireless personal area network system and a sensing system. The method comprises the following steps: a second device indicates a first time period in which the second device is about to occupy a first channel, and a first device indicates a second time period in which the first device is about to be switched to a second channel, so that the first device and a third device can select to communicate with the first device in the first channel or the second channel according to conditions in the second time period. The transmission requirements of the first device and the third device can be met, the situation that the first device and the third device can carry out transmission only after the second device finishes occupying the first channel is avoided, and the communication delay can be reduced.

A detecting and status reporting system, includes a first control device and at least one second control device. The first control device sends a first message to a remote device through a first communication link. The first communication specification of the first communication link is LPWAN (Low-Power Wide-Area Network). The at least one second control device communicates with the remote device through the first communication link, and communicates with the first control device through a second communication link. The second communication specification of the second communication link is LR-WPANs (Low-Rate Wireless Personal Area Networks). When the first communication link of the first control device is abnormal, the first control device sends the first message to the at least one second control device through the second communication link, and sends the first message to the remote device through the first communication link of the at least one second control device.

This text describes technologies related to network coexistence. A Wireless Personal Area Network (WPAN) module receives an initial message with a length value equal to the length of the first message. A Wireless Local Area Network (WLAN) module receives this length value. The WLAN module then sends a second message over the WLAN, which prevents other devices from transmitting traffic over the WLAN for a duration based on the length value.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless station may receive an indication of an association identifier (AID) associated with a peer wireless station. The wireless station and the peer wireless station may be associated with a wireless communication device. The wireless station may receive, in accordance with the AID, an indication of pending data associated with the peer wireless station. The wireless station may transmit, responsive to the indication of the pending data, a wake-up indication over a wireless personal area network (WPAN) associated with the peer wireless station. Numerous other aspects are described.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device (WCD) may perform a clock tracking procedure that comprises: transmitting, to an access point (AP), an extended personal area network (XPAN) synchronization message pair that is addressed to a peripheral device associated with the WCD, and receiving, from the AP, an XPAN synchronization response message pair that is associated with the XPAN synchronization message pair. The WCD may transmit, to the AP, user data that is addressed to the peripheral device at a time that is based at least in part on an estimated awake window, the estimated awake window being based at least in part on the XPAN synchronization response message pair. Numerous other aspects are described.

A method and a communication device for communication can be applied to a WLAN system supporting IEEE 802.11ax next-generation Wi-Fi protocol, such as 802.11be, again such as 802.11bn, again such as 802.11bn next-generation, and the like 802.11 series protocol, and can also be applied to a wireless personal area network system based on UWB and a sensing system. In the method, when a first station detects interaction of an OBSS station about unavailable information, the first station can enable NPCA based on the length of a PPDU, that is, in the case of detecting a PPDU meeting the condition of triggering NPCA, switching from a main channel to an NPCA main channel, and switching back to the main channel based on the end time of the PPDU, so as to switch back to the main channel in time for channel competition, and avoid wasting transmission resources of the main channel.

The application discloses a communication method, a communication device and a computer readable storage medium. The application is applied to a wireless local area network system supporting IEEE 802.11ax next generation Wi-Fi protocol, such as 802.11be, 802.15.4z, 802.15.4ab, Wi-Fi7 or EHT, for example, 802.11be next generation, Wi-Fi8 or 802.11 series protocol, and can also be applied to a wireless personal area network system based on ultra-wideband (UWB), a sensing system. The method comprises: generating a transmission signal, a peak value of a first sidelobe of the transmission signal belonging to a first peak value range; and transmitting the transmission signal, the transmission signal being used for ranging, angle measurement or Doppler measurement. In the embodiment of the application, the peak value of the first sidelobe of the transmission signal belongs to the first peak value range, so that the influence of the direct diameter of the transmission signal on the non-direct diameter can be reduced.

A multilink communication method, communication device, and communication system are provided and are applicable to wireless local area network systems that support 802.11 series protocols, such as IEEE 802.11ax next-generation Wi-Fi protocols like 802.11be, Wi-Fi 7, or EHT, and in other examples, next-generation 802.11be protocols like Wi-Fi 8, UHR, or Wi-Fi AI, and may also be applicable to wireless personal area network systems based on ultra-wideband (UWB) or sensing systems. The method includes the following: an AP transmits a first communication frame, and correspondingly an STA receives the first communication frame, the first communication frame including identification information of a first access point multilink device AP MLD and first instruction information, the first instruction information indicating the termination time of the first AP MLD. This enables the termination of the first AP MLD.

A communication method and a communication apparatus, which can be applied to a WLAN system that supports 802.11 series protocols such as IEEE 802.11ax next-generation Wi-Fi protocols, for example, 802.11be, Wi-Fi 7 or EHT, and for another example, a next generation of 802.11be or Wi-Fi 8, and can also be applied to a UWB-based wireless personal area network system and a sensing system. In the method, a first node may indicate, by means of first information, that P first frequency-domain resource units are prohibited for a sidelink, and a node that receives the first information may not initiate channel contention for the sidelink on the P first frequency-domain resource units, or use a channel idle determination threshold, which is lower than a first threshold, to initiate channel contention for the sidelink on the P first frequency-domain resource units. In this way, the influence of the sidelink on a GT link can be reduced, thereby ensuring the transmission performance of the GT link.

The present application applies to a wireless personal local network system based on ultra-wide band communication technology, a communication system based on ZigBee, a communication system based on IEEE 802.15.4 protocol. Embodiments of the present application provide a communication method, including: receiving a first protocol data unit (PPDU), where the first PPDU includes type instruction information, where the type instruction information is configured to indicate whether the first PPDU carries a compressed PHY (physical layer) service data unit (PSDU); and processing the information carried by the payload field of the first PPDU. According to the above-mentioned technical solution, the compressed PSDU may be identified according to the type instruction information carried by the PPDU. Therefore, a receiver of the PPDU may process the received PPDU according to the type instruction information.

Methods and systems for improving the performance of a wireless personal area network in dense wireless environments. The disclosed method includes, among other things, receiving from a subsystem of a wireless personal area network (WPAN) of a wireless device a frequency band congestion warning indicating congestion on a frequency band shared by the WPAN subsystem and a subsystem of a wireless local area network (WLAN) of the wireless device, and causing the WPAN subsystem to update in an adaptive frequency hopping channel map (AFH channel map) of the WPAN subsystem a classification of a first subset of a plurality of WPAN channels within the frequency band associated with a first WLAN channel of a plurality of WLAN channels within the frequency band used by the WLAN subsystem.

A power tracking system includes a power application that receives live power data from multiple power devices that are operably connected to a personal area network (PAN) during operation of the PAN. The system stores the live power data and uses historical power data that includes previously collected live power data corresponding to the multiple power devices that was collected during previous operations to generate prediction data, including a predicted runtime of the PAN. The live power data and prediction data are displayed to a user on a user interface and is used by components of the system to model and predict power requirements and power usage of the PAN components.

In some aspects, a wireless station may receive, over a wireless personal area network (WPAN) link, an indication of one or more roam triggers. The wireless station may transmit, over the WPAN link, an indication of a roam handoff candidate associated with the one or more roam triggers. Numerous other aspects are described.

An information processing method and apparatus applicable to a wireless local area network system supporting next-generation Wi-Fi protocols such as IEEE 802.11ax (e.g., 802.11be, Wi-Fi 7, or EHT), next-generation versions of 802.11be (e.g., Wi-Fi 8 or UHR), or 802.11 series protocols such as Wi-Fi AI are disclosed. The method and apparatus may further be applied to ultra-wideband-based wireless personal area network systems and sensing systems. A controller transmits control information, and a controlled object receives the control information. The control information includes a control information element, which includes an available slot information field, and the available slot information field indicates an available slot in a block corresponding to the control information. The controlled object determines information about the available slot based on the available slot information field. This improves and optimizes UWB in-band discovery and association mechanisms.

The invention discloses a communication method and a communication device, and the method can be applied to a WLAN (Wireless Local Area Network) system supporting an IEEE (Institute of Electrical and Electronic Engineers) 802.11 ax next-generation Wi-Fi protocol, such as 802.11 be, Wi-Fi 7 or EHT, and then 802.11 series protocols, such as 802.11 be next-generation, Wi-Fi 8 and the like, and can also be applied to a UWB (Ultra Wideband)-based wireless personal area network system and a sensing system. The method comprises: sending or receiving a PPDU, the PPDU comprising a first DRU and a second DRU, and data bits carried on the second DRU being repetition of data bits carried on the first DRU, so that repetition of data bits can be carried out on a plurality of discrete bandwidths, because the repetition is carried out across the discrete bandwidths, both a combined gain and a combined gain can be obtained, and the data bits carried on the first DRU can be repeatedly carried out on a plurality of discrete bandwidths. And the situation that the gain of the sending power is reduced due to repetition in the discrete bandwidth can be avoided, so that larger gain can be obtained, and the transmission performance is improved.

A sensing communication method and apparatus may be applied to a sensing (sensing) system supporting the IEEE.802.11bf protocol; or applied to a wireless local area network system supporting 802.11 series protocols such as a next-generation Wi-Fi protocol of IEEE 802.11ax like 802.11be, Wi-Fi 7, or EHT, and a next generation of 802.11be like Wi-Fi 8, UHR, and Wi-Fi AI; or applied to a wireless personal area network system that is based on ultra-wideband UWB. The method includes: a first communication apparatus generates sensing suspend indication information and then sends the sensing suspend indication information; and correspondingly, a second communication apparatus receives the sensing suspend indication information and suspends execution of a sensing measurement instance based on the sensing suspend indication information. The method effectively improves accuracy of a sensing measurement result.

This application provides a communication method and apparatus. The method may be applied to a WLAN system supporting 802.11 series protocols such as a next-generation Wi-Fi protocol of IEEE 802.11ax like 802.11be, Wi-Fi 7, or EHT, and a next-generation protocol of 802.11be like Wi-Fi 8, and may also be applied to a UWB-based wireless personal area network system, a sensing system, and the like. In the solutions of this application, a channel estimation sequence corresponding to a bandwidth greater than 320 MHz is designed, to support signal transmission in a large-bandwidth (for example, 640 MHz or 480 MHz) scenario.

To track pallet goods with passive tags, a passive tag is secured to the goods and a mobile tracking device is secured to a pallet that supports the goods. The mobile tracking device transmits an RF (radiofrequency) signal that is received at the passive tag. In response to the RF signal, the passive tag transmits a response message including information (e.g., from an onboard sensor of the passive tag). The mobile tracking device receives the response message including the information and transmits the information to a network (e.g., a wireless personal area network (WPAN, (e.g., Bluetooth, BLE, etc.)), a wireless local area network (WLAN, (e.g., Wi-Fi, etc.)), a cellular network, a satellite network, etc.).

Methods and systems for improving wireless local area network performance during periodic advertisement with response protocol. The disclosed method includes, among other things, receiving, by a wireless local area network (WLAN) sub-system of a wireless device, a signal associated with a sub-event of an advertisement event from a wireless personal area network (WPAN) sub-system of the wireless device, wherein the WLAN sub-system and the WPAN sub-system share a frequency band, determining whether a priority bit associated with the sub-event indicates whether during the sub-event empty payload will be transmitted, and in response to determining that the priority bit indicates that during the sub-event an empty payload will be transmitted, utilizing, by the WLAN sub-system, the frequency band for a predetermined amount of time allocated to the sub-event.

A data processing method and a mirror server. A low-power wireless personal area network system includes an electronic device, and the data processing method includes configuring the mirror server to: receive sensing data generated and transmitted by the electronic device at every interval time, and in response to judging that the last piece of sensing data of a first time segment is received within a fault-tolerant time section, triggering a flip mechanism to move the sensing data stored in a memory block indexed to a k+1 time segment before k time units of a first time segment to a memory block indexed to a k+2 time segment before k+1 time units of the first time segment, and then move the sensing data stored in a memory block indexed to the first time segment to a memory block indexed to a second time segment before 1 time unit of the first time segment. k is an integer from N-1 to 1, and N is an integer greater than 1. The present application can save the power required by the electronic device to transmit a large amount of data.

In some aspects, a wireless station may receive, over a wireless personal area network (WPAN) link, an indication of one or more roam triggers. The wireless station may transmit, over the WPAN link, an indication of a roam handoff candidate associated with the one or more roam triggers. Numerous other aspects are described.

The present application is applied to a wireless personal area network system based on ultra-wideband, including 802.15 series protocols, such as 802.15.4a protocol, 802.15.4z protocol or 802.15.4ab protocol, etc., and can also support IEEE 802.11ax next-generation Wi-Fi protocol, such as 802.11be, Wi-Fi 7 or ultra-high throughput, such as 802.11b. The present application provides a method and a communication device for signal synchronization applied to an ultra-wideband system. The method comprises: transmitting a narrowband signal, the PPDU of the narrowband signal comprising at least one pilot symbol, the pilot symbol being used by the PPDU for a receiving device to obtain time-frequency synchronization information of an ultra-wideband signal; and transmitting an ultra-wideband signal. By estimating the carrier frequency offset based on these inserted pilot symbols and the preamble in the PPDU, high-precision time-frequency synchronization of the ultra-wideband signal between the transmitting device and the receiving device can be achieved.

The present disclosure provides methods, components, devices, and systems for low latency parameter updates. In some aspects, a wireless communication device, such as a handset or an access point (AP), can transmit, to one or more wireless audio devices, an indication of an updated set of parameters associated with an extended personal area network (XPAN) of the wireless communication device. The wireless communication device can embed the indication of the updated set of parameters via a real-time protocol (RTP) header or in a padding portion of payload data of an audio data packet. The wireless audio device can extract the updated set of parameters from the audio data packet and can transmit an acknowledgement (ACK) to the wireless communication device. As a result of receiving the ACK from the wireless audio device, the wireless communication device can communicate with the wireless audio device in accordance with the updated parameters.