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Techniques for efficient acknowledgement for UL MU MIMO and uplink OFDMA in wireless networks

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TLDR
In this paper, a method of supporting acknowledgement transmissions for Uplink (UL) multi-user MIMO in wireless networks, comprising, enabling an AP operable in the wireless network to send back acknowledgements to different wireless stations (STAs) in communication with said AP either sequentially or simultaneously by defining a new block ack (BAs) type for multiple STAs.
Abstract
An embodiment of the present invention provides a method of supporting acknowledgement transmissions for Uplink (UL) Multi-user Multiple Input Multiple Output (MU MIMO) in wireless networks, comprising, enabling an AP operable in the wireless network to send back acknowledgements to different wireless stations (STAs) in communication with said AP either sequentially or simultaneously by defining a new block ack (BAs) type for multiple STAs

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Citations
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Patent

Method and apparatus for transmitting acknowledgements in response to received frames

TL;DR: In this paper, a method and apparatus for transmitting acknowledgements in response to data packets in wireless communication are disclosed, where acknowledgements may be transmitted using multi-user multiple-input multiple-output (MU-MIMO) or aggregated and transmitted in a single transmission.
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Method and device for transmitting data unit

TL;DR: In this paper, a method and a device for transmitting a data unit are disclosed, which can comprise the steps of: generating, by an STA, the PPDU including a first portion and a second portion; and transmitting, by the STA, where the first portion is generated by performing IFFT according to a first FFT size, the second portion is created by performing IOFT according to second FFT sizes, and the first FT size can differ from the second FT size.
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TL;DR: In this article, a wireless communication device includes a receiver that receives a first frame; and a transmitter that transmits a second frame including a first identifier and acknowledgement information on the first frame, the first identifier being extracted from a predetermined field of the firstframe and being different from a source address of the source address.
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TL;DR: In this article, an access point is configured to operate as part of a basic-service set (BSS) that includes a plurality of high-efficiency WLAN (HEW) stations and a majority of legacy devices.
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TL;DR: In this article, a transmission signaling structure for HEW is defined to carry packet information to configure OFDMA receivers for demodulation of a specific portion of the packet and/or to configure receivers for transmission using specific OFDM and MU-MIMO resources.
References
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Patent

Method for managing resources in high capacity wireless communication system

TL;DR: In this article, a method for managing resource in a high capacity wireless communication system capable of communicating with two or more users in a multi-input multi-output (MIMO) scheme when a base station transmits data is presented.
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System and method for variable length acknowledgements in a shared resource network

TL;DR: In this paper, a system and method for producing variable length acknowledgments and requesting variable length acknowledgement signals in a shared resource network is provided, where a plurality of data streams and frames are received, and receipt status information of the plurality of frames is generated.
Patent

Method and apparatus for ack transmission in a wlan

TL;DR: In this article, a method and apparatus for acknowledgement (ACK) transmission in a WLAN is described, where a station receives a plurality of data frames from other stations and then transmits an ACK for the plurality of received data frames to the majority of stations.
Patent

Delayed acknowledgement in an asymmetric timer based LAN communications protocol

TL;DR: In this article, a circuit timer is used to aggregate data produced by a plurality of users into a single master message, where each user is capable of establishing multiple sessions and each session can be acknowledged by the one acknowledge message.
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Apparatus, and method for communicating packet data in a sdma (space-division, multiple-access) communication scheme

TL;DR: In this article, the packet data sizes are variable and determinations of at least the relative sizes of data to be communicated are made for separate communication sessions and responsive to such determinations, a selection is made as to the amounts of data that should be communicated within a selected time period.
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