-
公开(公告)号：US20170331605A1
公开(公告)日：2017-11-16
申请号：US15590960
申请日：2017-05-09
Applicant: Apple Inc.
Inventor： Oren SHANI , Guoqing LI , Joonsuk KIM , Ashok RANGANATH
Abstract: An access point (AP) in a wireless local area network (WLAN) uses a protocol to determine frequency/time resource allocations of resource units (RUs) in parallel with data transfer to and from WLAN stations (STAs). The AP generates a sounding table associating STAs with RUs for uplink (UL) and downlink (DL). The AP processes the sounding table to create a channel map table and then the AP allocates particular RUs to particular STAs. The STAs then receive and transmit data from and to the AP over the allocated RUs. This approach achieves good throughput while reducing the use of signaling and pilot overhead associated with channel sounding. To avoid interruption of ongoing transmissions, a newly arriving STA is grouped and sounded with other STAs. The protocol includes a joint sounding and data epoch followed by a determination of the channel map table.
-
公开(公告)号：US20170311166A1
公开(公告)日：2017-10-26
申请号：US15498358
申请日：2017-04-26
Applicant: Apple Inc.
Inventor： Guoqing LI , Christiaan A. HARTMAN , Jarkko KNECKT , Yong LIU , Su Khiong YONG , Joonsuk KIM , Oren SHANI
CPC classification number: H04W16/02 , H04L49/201 , H04W52/367 , H04W74/006 , H04W84/12 , H04W88/08
Abstract: An interface circuit in an electronic device may receive, from an access point associated with the electronic device, a frame with management information that enables the electronic device to use a spatial-reuse technique, where the electronic device, through the spatial-reuse technique, adjusts a transmit power and a channel-availability sensing threshold. Moreover, the management information may specify parameters for the spatial-reuse technique. Then, the electronic device may transmit, using the spatial-reuse technique, one or more frames to the access point based on the parameters. Furthermore, the electronic device may transmit, to the access point, feedback information that indicates communication performance during the communication between the electronic device and the access point. For example, the feedback information may include a retry rate and, more generally, communication-performance information. This feedback information may be used by the access point to modify the parameters.
-
公开(公告)号：US20170163446A1
公开(公告)日：2017-06-08
申请号：US15371049
申请日：2016-12-06
Applicant: Apple Inc.
Inventor： Guoqing LI , Joonsuk KIM
IPC: H04L25/02 , H04B17/336 , H04W72/08 , H04B17/318
CPC classification number: H04L25/0202 , H04B17/318 , H04B17/336 , H04L1/1685 , H04L1/20 , H04L25/0224 , H04W72/085 , H04W84/12 , H04W88/02 , H04W88/08
Abstract: Uplink resource assignment in a wireless local area network (WLAN) by an access point (AP) to wireless stations (STAs) is herein provided using opportunistic feedback from the STAs. The AP sends a message to a first STA; the message is also observed by a second STA. Each STA can determine if it wishes to opportunistically send information concerning the message to the AP. The second STA can perform power measurements on the message and send subcarrier signal to noise ratio (SNR) or ranking information to the AP. Thus, the AP can receive, possibly without expectation, encoded or compressed information describing radio channels of the first STA and/or the second STA. Based on the received channel information the AP improves operation of a dynamic resource allocation algorithm which determines uplink grants of resource units (RUs) to the STAs.
-
公开(公告)号：US20160330718A1
公开(公告)日：2016-11-10
申请号：US15146087
申请日：2016-05-04
Applicant: Apple Inc.
Inventor： Joonsuk KIM , Guoqing LI , Syed Aon Mujtaba
Abstract: Disclosed herein are system, method, and computer program product embodiments for providing an efficient way to assign resource blocks to user receiver devices in a wireless communications protocol. For example, the method can receive a frame for a wireless communications protocol. The method can also extract a unique value from a tone mapping field in a preamble of the frame. The method can also look up a resource block allocation for a portion of the tone space in a lookup table using the unique value. Further, the method can extract an assignment field from the preamble based on the determined resource block allocation. The method can also determine an assigned resource block number based on the assignment field. The method can also assign a resource block corresponding to the assigned resource block number to a user receiver device.
Abstract translation: 这里公开的是用于提供在无线通信协议中向用户接收机设备分配资源块的有效方式的系统，方法和计算机程序产品实施例。 例如，该方法可以接收无线通信协议的帧。 该方法还可以从帧的前导码中的色调映射字段中提取唯一值。 该方法还可以使用唯一值查找查找表中的音调空间的一部分的资源块分配。 此外，该方法可以基于所确定的资源块分配从前导码提取分配字段。 该方法还可以基于分配字段确定分配的资源块号。 该方法还可以将与分配的资源块号相对应的资源块分配给用户接收机设备。
-
公开(公告)号：US20220201785A1
公开(公告)日：2022-06-23
申请号：US17567709
申请日：2022-01-03
Applicant: Apple Inc.
Inventor： Jarkko L. KNECKT , Gaurav JAIN , Yong LIU , Jinjing JIANG , Tianyu WU , Su Khiong YONG , Guoqing LI , Charles F. DOMINGUEZ
IPC: H04W76/15 , H04W76/11 , H04W12/0471 , H04W48/16 , H04W80/02
Abstract: Some embodiments include utilizing a multilink media access control (MAC) address structure to support multilink devices (MLDs) that can operate concurrently in more than one link such as extremely high throughput (EHT) access points (APs) and EHT stations (STA), where the multilink MAC address structure is compatible with legacy devices. An EHT AP can utilize a multilink basic service set (BSS) identification (BSSID) MAC address to communicate with an EHT STA identified by a multilink MAC address. Values of the multilink BSSID and the multilink MAC address of the EHT STA are independent of which of the multiple links are used in the communication. In addition, to utilizing a multilink BSSID, the EHT AP can also support unique link-specific MAC addresses to concurrently support legacy and MLD stations. The EHT STA can also utilize unique link-specific MAC addresses that can be different than the EHT AP's link-specific MAC addresses.
-
Patent Agency Ranking
公开(公告)号：US20210328724A1
公开(公告)日：2021-10-21
申请号：US17232055
申请日：2021-04-15
Applicant: Apple Inc.
Inventor： Yoel BOGER , Ido SHANI , Koby VAINAPEL , Leor KEHATY , Marcelo SENTER , Guoqing LI
IPC: H04L1/16 , H04L12/18 , H04L12/851
Abstract: The subject technology provides for block acknowledgment requests and block acknowledgment frames that can be used in conjunction with multicast transmissions that include multiple concurrent streams. Thus, the subject technology reduces the overhead associated with multicast transmissions that include multiple concurrent streams by aggregating the acknowledgments across multiple streams into a block acknowledgment, thereby increasing the effective throughput of such transmissions and overall network efficiency.
-
公开(公告)号：US20210160742A1
公开(公告)日：2021-05-27
申请号：US17032545
申请日：2020-09-25
Applicant: Apple Inc.
Inventor： Guoqing LI , Lawrie KURIAN , Tashbeeb HAQUE , Sudheer KONDA
Abstract: Some embodiments of this disclosure include apparatuses and methods for implementing selective multi-link operations for multi-link wireless communication networks. For example, some embodiments relate to an electronic device including a transceiver and a processor communicatively coupled to the transceiver. The processor communicates, using the transceiver, with a second electronic device on a first link of the wireless network. The processor determines whether a link switch condition is met and in response to determining that the link switch condition is met, communicates with the second electronic device on a second link of the wireless network. The first link is separate from the second link.
-
公开(公告)号：US20210076437A1
公开(公告)日：2021-03-11
申请号：US16921276
申请日：2020-07-06
Applicant: Apple Inc.
Inventor： Jarkko L. KNECKT , Gaurav JAIN , Yong LIU , Jinjing JIANG , Tianyu WU , Su Khiong YONG , Guoqing LI , Charles F. DOMINGUEZ
Abstract: Some embodiments include utilizing a multilink media access control (MAC) address structure to support multilink devices (MLDs) that can operate concurrently in more than one link such as extremely high throughput (EHT) access points (APs) and EHT stations (STA), where the multilink MAC address structure is compatible with legacy devices. An EHT AP can utilize a multilink basic service set (BSS) identification (BSSID) MAC address to communicate with an EHT STA identified by a multilink MAC address. Values of the multilink BSSID and the multilink MAC address of the EHT STA are independent of which of the multiple links are used in the communication. In addition, to utilizing a multilink BSSID, the EHT AP can also support unique link-specific MAC addresses to concurrently support legacy and MLD stations. The EHT STA can also utilize unique link-specific MAC addresses that can be different than the EHT AP's link-specific MAC addresses.
-
公开(公告)号：US20200221292A1
公开(公告)日：2020-07-09
申请号：US16733489
申请日：2020-01-03
Applicant: Apple Inc.
Inventor： Guoqing LI , Christiaan A. HARTMAN , Yong LIU , Jarkko L. KNECKT
Abstract: Some embodiments of this disclosure include apparatuses and methods for implementing discovery frames and group addressed frames communication. For example, some embodiments relate to a method including generating a first frame to be transmitted to a first electronic device. An association identifier (AID) value of the first frame is set to a first value to indicate that the first frame is an individually addressed frame addressed to the first electronic device. The method further includes generating a second frame to be transmitted to a group of one or more electronic devices. An AID value of the second frame is set to a second value different from the first value. The method also includes transmitting the first frame and the second frame.
-
公开(公告)号：US20190386793A1
公开(公告)日：2019-12-19
申请号：US16459544
申请日：2019-07-01
Applicant: Apple Inc.
Inventor： Guoqing LI , Yong LIU , Christiaan A. HARTMAN , Ashok RANGANATH , Oren SHANI , Su Khiong YONG , Jarkko L. KNECKT , Joonsuk KIM
IPC: H04L5/00 , H04W74/06 , H04L12/801
Abstract: During operation, an interface circuit in an electronic device may receive, from a second electronic device (such as an access point in a WLAN), an uplink trigger frame that may specify an access category. In response to the uplink trigger frame, the electronic device may first include data associated with the specified access category in one or more frames, and then may transmit the one or more frames to the second electronic device. Moreover, when all the data associated with the specified access category has been transmitted or when there is no data associated with the specified access category, and when there is leftover time in an allocation associated with the uplink trigger frame, the interface circuit may transmit the one or more frames to the second electronic device with additional data associated with another access category that is different from the specified access category.
-
-
-
-
-
-
-
-
-
Search Results
41
records
(took 0.019 seconds)
