Abstract:
Methods, systems, and devices are described for wireless communications. A wireless station includes a transmitter to generate a wideband contiguous waveform in a band. The transmitter transmits the waveform that conforms to spectral masking attributes and spectral flatness attributes. The wireless station, or another device supporting spectrum analysis functions, detects a wideband contiguous waveform and performs spectrum analysis of the waveform. The wireless station includes a resolution bandwidth of 25 KHz and a video bandwidth of 7.5 KHz.
Abstract:
A method, an apparatus, and a computer-readable medium for wireless communication are provided. In one aspect, an apparatus is configured to determine a plurality of resource units for communication. The apparatus is configured to generate a set of pilot signals in at least one resource unit of the plurality of resource units. The apparatus is configured to transmit the generated set of pilot signals in the at least one resource unit of the plurality of resource units.
Abstract:
Aspects of the present disclosure provide techniques for phase tracking in wireless communications using frames with some portions that use relatively long symbol durations.
Abstract:
Methods and apparatuses can be disclosed for communicating over a wireless communication network. One communication device includes a processor configured to allocate, or receive allocation of, at least a portion of a first sub-band of a channel and at least a portion of a second sub-band of the channel for use by the communication device. The communication device further includes a plurality of encoders configured to independently encode first and second data for wireless transmission over the first and second sub-bands, respectively. The communication device further includes a transmitter configured to transmit the independently encoded first and second data over the first and second sub-bands, respectively.
Abstract:
A method of wirelessly communicating a packet including a first portion for transmission over at least one channel of a first transmission type and a second portion for transmission over at least one channel of a second transmission type. In one aspect, the method includes generating, at a wireless device, a packet including a first portion having a first symbol duration. The packet further includes a second portion having a second symbol duration greater than the first. The second portion can include a plurality of repeated portions of the signal field, the repeated portions having the second symbol duration. The first portion includes a first training field. The method further includes prepending or appending a second training field to the first portion. The second training field has the second symbol duration. The method further includes transmitting the packet.
Abstract:
Methods and apparatus for providing wireless messages according to various tone plans can include, for example, a method of wireless communication. The method includes selecting at least one of a 242-tone resource unit (RU), associated with a 256-tone plan including 234 data tones, 8 pilot tones, 3 direct current tones, and 11 edge tones, for transmission over a 20 MHz bandwidth, or a 484-tone RU, associated with a 512-tone plan including 468 data tones, 16 pilot tones, 5 direct current tones, and 23 edge tones, for transmission over a 40 MHz bandwidth. The method further includes providing a message for transmission according to the 256-tone plan or 512-tone plan.
Abstract:
Methods and apparatus for multiple user communication are provided. In one aspect, method for wireless communication includes generating a packet comprising a multiple-user multiple-input multiple-output (MU-MIMO) portion and an orthogonal frequency division multiple access (OFDMA) portion. The method further includes transmitting the packet over a packet transmission frequency bandwidth.
Abstract:
Methods, devices, and computer program products for optimally phase rotating duplicate frames in wireless LAN transmissions are disclosed. In one aspect, phase rotation sequences may be chosen in order to minimize a peak-to-average power ratio (PAPR) of a frame or data unit, or of a portion of a frame or data unit, where the frame contains a plurality of identical frequency segments, such as a duplicate frame. The method involves selecting a frame bandwidth, and then selecting a phase rotation sequence based upon the frame bandwidth. The method further includes generating a frame including a number of identical 1 MHz frequency segments, and rotating some of those segments relative to other segments, based on the selected phase rotation sequence. The method further includes transmitting the frame.
Abstract:
Apparatuses for wireless communication are provided. The apparatus includes a processor configured to generate a packet for transmission via a wireless signal. The packet is generated for transmission over a bandwidth of 1 MHz using at least one orthogonal frequency-division multiplexing (OFDM) symbol comprising 32 subcarriers described by indices from -16 to 15, wherein each of the 32 subcarriers has an average constellaton enrgy. The apparatus further includes a transmitter configured to transmit the packet via the wireless signal such that each average constellation energy for subcarries having indices of -8 to -1 and 1 to 8 deviates no more than +-4 dB from an overall average of the average constellation energies over subcarriers having indices of -8 to -1 and 1 to 8, and each average constellation energy for subcarries having indices of -13 to -9 and 9 to 13 deviates no more than +4/-6 dB from the overall average.
Abstract:
Systems and methods for communicating the length of a data unit and determining control data based thereon are described herein. In some aspects, a processor and a transmitter are provided. The processor may be configured to determine a measurement unit for representing the length of a data unit, the data unit including a midamble, the measurement unit being at least one of bytes or symbols. The processor may further generate a value indicating the length of the data unit based at least in part on the unit, an encoding scheme associated with the data unit, and a guard interval associated with the data unit. The generated value may be included in the data unit. The transmitter may be configured to transmit via wireless network the data unit to one or more devices.