Cisco Technology, Inc.

Semiconductor Components Industries, LLC

Aerohive Networks, Inc.

Maxlinear, Inc.

Quantenna Communications, Inc.

Tropos Networks, Inc.

Extreme Networks, Inc.

Huizhao Wang

Changming Liu

Sigurd Schelstraete

Peiman Amini

Debashis Dash

Xiaode Xu

Abhishek Kumar Agrawal

Wenfeng Huang

Chris Scheers

Hossein Dehghan

Kent Kinchu Leung

Cyrus Behroozi

Mukesh Gupta

Frederick Dean

Christine Andiazabal

Denis Bykov

Karthik Ramasubramanian

Benjamin Mung

David Sheldon Stephenson

Arnold Mark Bilstad

Peter Wu

Jun Jin

Waseem A Siddiqi

James Wood

Ramanagopal V Vogety

Hongping Liu

Ping Lu

Lin Fang

Kushal A Patel

Imran Latif

Ramanujam Jagannath

Michael Chang-Ping Chen

Roman M Arutyunov

Saar Gillai

Qiang Wang

Dongyue Helen Huang

Bo Peng

Jinsong Han

Denis Marin

Maxim Nikolaev

A method includes receiving, from a receiver, a broadcast probe request with a multi-link designator, determining that the receiver is multi-link capable based on the probe request, transmitting a probe response including a first multi-link upper Media Access Control (MAC) entity identity of a transmitter, receiving an authentication trigger from the receiver, and transmitting an authentication response to the receiver.

Multi-link wireless communications connections

An example method of wireless data transmission may include selecting a first frequency segment and selecting a second frequency segment that is different from and non-contiguous with the first frequency segment. The method may further include encoding a first signal with a data frame using the first frequency segment and encoding a second signal with the data frame using the second frequency segment. The method may further include providing the first signal and the second signal for wireless transmission such that at least a portion of the first signal and a portion of the second signal are simultaneously wirelessly transmitted.

Wireless communication using multiple frequencies segments

An example method may include receiving, at a device, a first frame over a wireless network and constructing a preliminary data portion of a second frame. The second frame may be configured for transmission over the wireless network. The method may also include in response to the receiving of the first frame at the device, beginning transmission of a header portion of the second frame over the wireless network and after the beginning transmission of the header portion of the second frame, constructing, based on the preliminary data portion, a finalized data portion of the second frame for transmission over the wireless network.

Wireless data transmission

A communication system includes multiple distributed antenna circuits and an access point (AP). The distributed antenna circuits include at least first and second antenna circuits. The AP is coupled to the distributed antenna circuits and includes multiple transmit chains, multiple receive chains, and an antenna control circuit communicatively coupled to the transmit chains and the receive chains. The first antenna circuit is co-located with the AP and the second antenna circuit is remote from the AP. The antenna control circuit is configured to determine a subset of the distributed antenna circuits to communicatively couple to at least some of the transmit chains to transmit data to a wireless station (STA) that is in range of the subset.

Flexible distributed antenna array

A method of wireless communication may include monitoring, by a first device, a medium for frames in response to preparing to transmit a first frame to a second device. The method may also include while monitoring the medium and before transmitting the first frame, obtaining a second frame transmitted by a third device in the medium and adjusting a transmission of the first frame to the second device in the medium based on obtaining the second frame.

Spatial reuse in wireless communication

A method includes establishing a multi-link security association between a transmitter upper Media Access Control (MAC) logic entity of a transmitter and a receiver upper MAC logic entity of a receiver. The transmitter includes one or more transmitter links. The receiver includes one or more receiver links.

A communication system includes multiple distributed antenna circuits and an access point (AP). The AP is coupled to the distributed antenna circuits and includes multiple transmit chains, multiple receive chains, and an antenna control circuit communicatively coupled to the transmit chains and the receive chains. The antenna control circuit is configured to determine a subset of the distributed antenna circuits to communicatively couple to at least some of the transmit chains to transmit data to a wireless station (STA) that is in range of the subset. A corresponding method includes determining the subset to communicatively couple to the at least some of the transmit chains of the AP. The method includes communicatively coupling the subset to the at least some of the transmit chains. The method includes directing the data from the at least some of the transmit chains to the subset of the distributed antenna circuits.

Minimum guaranteed wireless network bandwidth is provided to client network devices by monitoring the performance of network connections to identify client network devices experiencing network congestion. Congested network connections are then analyzed to determine the source of the network congestion. Depending upon the source of the network congestion, an embodiment of the invention may undertake steps to either improve the quality of the network connection or to mitigate the impact of this network connection on other network connections. High quality network connections may be allocated additional bandwidth, airtime, or other resources to reduce the network congestion. Low quality network connections are not allocated additional bandwidth, airtime, or other resources. Instead, the impact of this network connection on the other network connections is mitigated. Additionally, the low quality network connection may be transferred to another wireless networking device that may be able to provide a better quality network connection.

Bandwidth sentinel

An example method may include receiving a wireless packet from a sender node at a receiver node that includes a PHY and a MAC. The wireless packet may include multiple codewords. The method may include error checking the codewords at the PHY of the receiver node for codeword-level errors. The method may include generating multiple MPDUs from the codewords. The method may include error checking the MPDUs at the MAC of the receiver node for MPDU-level errors. The method may include generating two-tier feedback based on the error checking at the PHY and the MAC of the receiver node. The method may include sending the two-tier feedback to the sender node.

HARQ framing and retransmission with two-tier feedback

Wireless networking devices scan for available channels and gather data about the channels and the RF environment. Using this information, each wireless networking device determines a cost value for each available channel and a quality value for its overall RF neighborhood. Each wireless networking device select the channel with the best cost value as a candidate channel for use. The wireless networking devices may submit channel requests to the arbiter for approval. If two or more wireless networking devices are requesting the same channel, the arbiter assigns the channel to the wireless networking device with the worst RF neighborhood quality. The arbiter informs the wireless networking devices if their channel requests are approved. If a wireless networking device's channel request is not approved, the wireless networking device will rescan the remaining available channels to select a different candidate channel to be approved.

Distributed channel selection for wireless networks

Bandwith sentinel

Growing community of inventors

San Jose, CA, United States of America

Huizhao Wang