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    Channel aggregation using Wi-Fi
    2.
    发明授权
    Channel aggregation using Wi-Fi 有权

    公开(公告)号：US10219178B2

    公开(公告)日：2019-02-26

    申请号：US14844633

    申请日：2015-09-03

    Applicant: Cisco Technology, Inc.

    Inventor： Rajesh Pazhyannur ,  Vivek Jha

    IPC: H04W28/08 ,  H04W80/02 ,  H04W28/02 ,  H04L12/709 ,  H04L12/801 ,  H04W88/06 ,  H04L12/835 ,  H04W72/08

    Abstract: Data to be transmitted to a user device may be received at a network device. It may be determined that the user device has network connectivity to the network device via a wide area wireless network connection and that the user device also separately has connectivity to the network device via a local area wireless network connection to an access point. The data may be split so that some portion of the data is to be transmitted by the wide area wireless network connection and another portion of the data is to be transmitted by the local area wireless network connection.

    Joint scheduler for integrated Wi-Fi and LTE-U wireless access point
    4.
    发明授权
    Joint scheduler for integrated Wi-Fi and LTE-U wireless access point 有权

    公开(公告)号：US10356627B2

    公开(公告)日：2019-07-16

    申请号：US15897351

    申请日：2018-02-15

    Applicant: Cisco Technology, Inc.

    Inventor： Ahmadreza Hedayat ,  Rajesh Pazhyannur

    IPC: H04W16/14 ,  H04L12/873 ,  H04W72/12 ,  H04W88/10 ,  H04W84/12

    Abstract: An access point (AP) transmits Wi-Fi transmit frames according to a Wi-Fi protocol and Long-Term Evolution-Unlicensed (LTE-U) transmit frames according to an LTE-U protocol in a shared channel bandwidth that encompasses unlicensed channel bandwidth associated with the LTE-U protocol. The AP assigns a Wi-Fi access category to each Wi-Fi transmit frame and assigns to each LTE-U transmit frame an LTE-U access category. The AP schedules Wi-Fi and LTE-U transmit opportunities for the Wi-Fi transmit frames and the LTE-U transmit frames, respectively, in the shared channel bandwidth based on the Wi-Fi and LTE-U access categories. The scheduling includes, for each scheduled LTE-U transmit opportunity: constructing a Wi-Fi quiet message commanding Wi-Fi clients of the AP not to transmit in the shared channel bandwidth during the LTE-U transmit opportunity; and scheduling the Wi-Fi quiet message for transmission to the Wi-Fi clients.

    Method to provide dual connectivity using LTE master eNodeB and Wi-Fi based secondary eNodeB
    5.
    发明授权
    Method to provide dual connectivity using LTE master eNodeB and Wi-Fi based secondary eNodeB 有权

    公开(公告)号：US09832808B2

    公开(公告)日：2017-11-28

    申请号：US14835985

    申请日：2015-08-26

    Applicant: Cisco Technology, Inc.

    Inventor： Rajesh Pazhyannur ,  Vivek Jha

    IPC: H04W76/02 ,  H04W76/04 ,  H04W84/12 ,  H04W92/20 ,  H04W76/06

    CPC classification number: H04W76/27 ,  H04W76/15 ,  H04W76/34 ,  H04W84/12 ,  H04W92/20

    Abstract: A first network device may operate as a base station in a wireless wide area network (WWAN) and may establish a WWAN connection with a user device. A media access control (MAC) address of the user device may be obtained and sent to a second network device which operates an access point for a wireless local area network (WLAN). An acknowledgement containing a first service set identifier of the WLAN may be received from the second network device and sent to the user device to set up a secondary connection. An identifier for ordered data communication may used to enable in order communication through both the first and the second network devices. Data to be transmitted to the user device may be split into a first portion and a second portion, and transmitted through the WWAN connection and to the second network device for transmission to the user device via the WLAN respectively.

    Wireless Client Device Roaming Among Clustered Access Points
    7.
    发明申请
    Wireless Client Device Roaming Among Clustered Access Points 有权
    无线客户端设备在集群接入点之间漫游

    公开(公告)号：US20150201451A1

    公开(公告)日：2015-07-16

    申请号：US14155567

    申请日：2014-01-15

    Applicant: Cisco Technology, Inc.

    Inventor： Rajesh Pazhyannur ,  Rohit Suri

    IPC: H04W76/04

    CPC classification number: H04W76/22 ,  H04W36/0016 ,  H04W40/00 ,  H04W40/36 ,  H04W80/04 ,  H04W88/182 ,  H04W92/20

    Abstract: A controller controls access points (APs) in a network of APs. The controller causes the first AP to establish an Internet Protocol (IP) tunnel with a router connected with a wired network and over which data packets are routed between the wired network and a client device wirelessly connected to the first AP. The controller receives a roam indication that the client device is wirelessly connected with a second AP. In response to the indication, the controller instructs the first AP to maintain the IP tunnel with the router and instructs the second AP to establish an inter-AP tunnel with the first AP in order to route traffic between the wired network and the client device over both the IP tunnel and the inter-AP tunnel.

    Abstract translation: 控制器控制AP网络中的接入点（AP）。 控制器使得第一AP与与有线网络连接的路由器建立互联网协议（IP）隧道，并且在有线网络和无线连接到第一AP的客户端设备之间路由数据包。 控制器接收漫游指示，说明客户端设备与第二AP无线连接。 响应于该指示，控制器指示第一AP维护与路由器的IP隧道，并指示第二AP与第一AP建立AP间隧道，以便通过有线网络和客户端设备之间路由流量 IP隧道和AP间隧道。

    Wireless shared spectrum access contention based on HARQ feedback
    8.
    发明授权
    Wireless shared spectrum access contention based on HARQ feedback 有权

    公开(公告)号：US10104689B2

    公开(公告)日：2018-10-16

    申请号：US15057733

    申请日：2016-03-01

    Applicant: Cisco Technology, Inc.

    Inventor： Rajesh Pazhyannur ,  Vikram Chandrasekhar ,  Raymond Yuk Chor Kwan

    IPC: H04W74/08

    Abstract: A first wireless device determines the duration of a clear channel assessment interval based on feedback signals before transmitting data to a second wireless device. The first wireless device receives feedback signals, such as acknowledgement (ACK) and negative acknowledgement (NAK) signals, from one or more second wireless devices. The first wireless device determines a ratio of NAK/ACK signals in the feedback signals for a predetermined amount of time. The first wireless device determines whether the wireless medium is free by monitoring for wireless signals during a clear channel assessment interval. The duration of the clear channel assessment interval is based on the ratio of NAK/ACK signals. If the wireless medium is free for the duration of the clear channel assessment, the first wireless device wirelessly transmits data to at least one of the second wireless devices.

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