Abstract:
Embodiments of a user station (STA), access point (AP) and methods for operating a STA and AP in a wireless network are general described herein. In some embodiments, the STA includes processing circuitry and physical layer (PHY) circuitry to detect a Dedicated Short Range Communications Service (DSRC) transmission on a wireless communication channel in a frequency spectrum comprising 5 GHz. The STA can also transmit a report message to report the DSRC transmission responsive to detecting DSRC transmission. Other embodiments and methods are also described.
Abstract:
Disclosed in some examples are methods, systems, and machine readable mediums which allow for wireless devices with limited echo cancellation capabilities to participate in full-duplex communications. In some examples, by carefully controlling transmission powers and the modulation and coding schemes (MCS) used in the transmissions, both devices can engage in full-duplex communication.
Abstract:
Apparatuses, computer readable media, and methods for indicating a resource allocation are disclosed. An apparatus of a high-efficiency wireless local area network (HEW) master station is disclosed. The HEW master station includes circuitry configured to generate a resource allocation for HEW stations, where the resource allocation includes a group identification and an index into a table. The circuitry is further configured to transmit the resource allocation to the HEW stations. The table may be a permutation table that indicates a sub-channel of a bandwidth for each of the HEW stations. The HEW master station may be configured to operate in accordance with orthogonal frequency division multi-access (OFDMA). The resource allocation may be part of a trigger frame that includes a duration for an uplink or downlink transmission opportunity, and the circuitry may be further configured to transmit data to the HEW stations in accordance with the resource allocation.
Abstract:
Apparatuses, computer readable media, and methods for extending a long-training field are disclosed. An apparatus of a high-efficiency (HE) wireless local-area network (HEW) device is disclosed. The apparatus including transceiver circuitry and processing circuitry configure to determine if a HE long training field (HE-LTF) portion of a HE physical layer convergence procedure (PLCP) protocol data unit (HE-PPDU) is to be extended, and if the HE-LTF portion is to be extended, configure the HE-LTF portion to use a longer symbol duration, or one or more additional HE-LTFs. The transceiver circuitry and processing circuitry configure also to transmit the HE-PPDU in accordance with orthogonal frequency division multiple access (OFDMA). An apparatus of a HEW device includes circuitry configured to receive a HE-LTF portion of a HE-PPDU, determine if the HE-LTF portion of the HE-PPDU is extended, and if the HE-PPDU portion is extended, use the extended portion to improve channel estimates.
Abstract:
Embodiments of a master station and method for high-efficiency Wi-Fi (HEW) communication using a multi-device HEW preamble are generally described herein. In some embodiments, the master station may select a number of long-training fields (LTFs) to be included in the multi-device HEW preamble of an HEW frame. The HEW frame may comprise a plurality of links for transmission of a plurality of streams. The master station may transmit the selected number of LTFs sequentially as part of the HEW preamble and transmit a plurality of data fields to scheduled stations during an HEW control period. Each data field may correspond to one of the links and may comprise one or more streams. The selection of the number of LTFs to be included in the HEW preamble may be based on a maximum number of streams to be transmitted on a single link.
Abstract:
Embodiments of an access point and method for high-efficiency WLAN (HEW) communication are generally described herein. In some embodiments, the access point may be configured to operate as a master station and may configure an HEW frame to include a legacy signal field (L-SIG), an HEW signal field (HEW SIG-A) following the L-SIG, and one or more HEW fields following the HEW SIG-A. The L-SIG may be configured for transmission using a legacy number of data subcarriers, a legacy number of pilot subcarriers and a number of additional reference subcarriers modulated with a known reference sequence. At least one symbol of the HEW SIG-A and the one or more HEW fields following the HEW SIG-A of the HEW frame may be configured for transmission using additional data subcarriers. The additional data subcarriers may correspond to the additional reference subcarriers of the L-SIG.
Abstract:
Disclosed in some examples are methods, systems, and machine readable mediums which allow for wireless devices with limited echo cancellation capabilities to participate in full-duplex communications. In some examples, by carefully controlling transmission powers and the modulation and coding schemes (MCS) used in the transmissions, both devices can engage in full-duplex communication.