Abstract:
Un procedimiento (500) de comunicación en una red inalámbrica (100), el procedimiento que comprende: determinar (502) si se ha recibido una comunicación desde cada uno entre una pluralidad de aparatos (106) dentro de un período anterior; generar (504) una pluralidad de indicadores (402 a 412), representando cada indicador (402 a 412) un resultado de la determinación para un respectivo aparato entre la pluralidad de aparatos (106); y radiodifundir de forma inalámbrica (506) una comunicación que comprende la pluralidad de indicadores; generar un mapa de bits que comprende la pluralidad de indicadores, con cada uno entre la pluralidad de indicadores que comprende un bit en el mapa de bits y que representa el resultado de la determinación para un respectivo aparato entre la pluralidad de aparatos, y en donde la comunicación radiodifundida incluye el mapa de bits caracterizado por que una posición de cada uno entre la pluralidad de indicadores en el mapa de bits se determina conforme a un identificador de asociación del respectivo aparato entre la pluralidad de aparatos.
Abstract:
Systems, methods, and devices for acknowledging communications from a plurality of wireless devices in a wireless network are described herein. In some embodiments, an access point for the wireless network transmits a group acknowledgment (ACK) to indicate whether communications (packets) from the plurality of wireless devices have been received or correctly decoded within some time interval. Each wireless device may have a different time interval associated with it. For some embodiments, the time interval for a wireless device is relative to when a previous group ACK was sent. A group ACK may include a bitmap. In some embodiments, the bitmap indicating whether a communication has been received or correctly decoded may be transmitted as part of a beacon.
Abstract:
Un procedimiento de comunicaciones inalámbricas, que comprende: la recepción de una primera porción de un campo de una señal, SIG, de una estructura de trama, comprendiendo el campo SIG la primera porción que es común a una pluralidad de aparatos y una segunda porción que es específica de cada aparato; la determinación de un modo de transmisión de la estructura de trama en base a la primera porción del campo SIG; y la recepción de la parte restante de la estructura de trama en base al modo de transmisión; caracterizado porque la información del modo de transmisión es recibida sobre el eje ortogonal con respecto a una constelación utilizada en la recepción del campo SIG.
Abstract:
An apparatus including a processing system configured to construct a coding matrix from channel state information and encode a plurality of spatial streams with the coding matrix for transmission to one or more nodes. A method for performing the process is also disclosed herein.
Abstract:
A method for switching between channels on different bands is described. Communication with a wireless device occurs on a base channel. A channel switch request is sent to the wireless device. An acknowledgment is received from the wireless device. Communication with the wireless device switches to a 60 GHz channel.
Abstract:
Systems, methods, and devices for acknowledging communications from a plurality of wireless devices in a wireless network are described herein. In some embodiments, an access point for the wireless network transmits a group acknowledgment (ACK) to indicate whether communications (packets) from the plurality of wireless devices have been received or correctly decoded within some time interval. Each wireless device may have a different time interval associated with it. For some embodiments, the time interval for a wireless device is relative to when a previous group ACK was sent. A group ACK may include a bitmap. In some embodiments, the bitmap indicating whether a communication has been received or correctly decoded may be transmitted as part of a beacon.
Abstract:
Disclosed are methods and apparatuses for communications by which a data packet is generated for transmission to a node, or by which a data packet is received from a node, the data packet including a header and data, wherein a channel designation for a node to send an acknowledgement to an apparatus or a transmitting node is embedded in the header of the data packet.
Abstract:
In a downlink multi-user multiple input multiple output (DL MU-MIMO) system, channel state information (CSI) feedback duration may strongly affect media access control (MAC) efficiency. While a time domain compression may give a significant reduction in feedback duration, the time domain compression may have complexity issues at the station (STA). In particular, for time domain compression, a large complex matrix multiplication may be required at the client to estimate a cyclic prefix (CP) length impulse response, which best models the frequency response of the channel. Embodiments of the invention comprise a hybrid scheme that may reduce the above complexity while maintaining significant compression gains.
Abstract:
A method for switching between channels on different bands is described. Communication with a wireless device occurs on a base channel. A channel switch request is sent to the wireless device. An acknowledgment is received from the wireless device. Communication with the wireless device switches to a 60 GHz channel.