This disclosure provides systems, devices, apparatus, and methods, including computer programs encoded on storage media, for flexible intra-symbol multiplexing of DMRS of different antenna ports for single carrier waveforms. A base station may transmit one or more DMRSs within a symbol and provide an intra-symbol guard interval prior to each of the one or more DMRSs. The intra-symbol guard interval may have a duration that is based on a duration of a CP. A UE may receive the one or more demodulation reference signals DMRSs within the symbol based on the intra-symbol guard interval prior to each of the one or more DMRSs, and perform a channel estimation based on at least one of the one or more DMRSs.

Techniques are provided for positioning of a mobile device in a wireless network using directional positioning reference signals (PRS), also referred to as PRS beamforming. In an example method, a plurality of directional PRSs are generated for at least one cell for a base station, such that each of the plurality of directional PRSs comprises at least one signal characteristic and a direction of transmission, either or both of which may be distinct or unique. The plurality of directional PRSs is transmitted within the at least one cell, such that each of the plurality of directional PRSs is transmitted in the direction of transmission. A mobile device may acquire and measure at least one of the directional PRSs which may be identified using the associated signal characteristic. The measurement may be used to assist position methods such as OTDOA and ECID and to mitigate multipath.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling identifying a configuration for a reference signal comprising a single carrier waveform and associated with single carrier signals for a plurality of symbol periods, the configuration indicating a plurality of channels associated with the reference signal and a set of functions associated with the reference signal. The UE may receive, according to the configuration, the reference signal in a first one or more symbol periods of the plurality of symbol periods and the single carrier signals on the plurality of channels in a second one or more symbol periods of the plurality of symbol periods. The UE may perform the set of functions on the received single carrier signals based at least in part on the received reference signal.

System and method embodiments are disclosed to provide mechanisms wireless communications. A method comprises transmitting, by a network device to a non-long term evolution (LTE) user equipment (UE), a bandwidth partitioning information describing a non-LTE bandwidth partition of a system bandwidth. The system bandwidth comprises an LTE bandwidth partition coexisting with the non-LTE bandwidth partition in the system bandwidth, and the LTE bandwidth partition is within the non-LTE bandwidth partition or the LTE bandwidth partition is adjacent to the non-LTE bandwidth partition.

System and method embodiments are disclosed to provide mechanisms wireless communications. A method comprises transmitting, by a network device to a non-long term evolution (LTE) user equipment (UE), a bandwidth partitioning information describing a non-LTE bandwidth partition of a system bandwidth. The system bandwidth comprises an LTE bandwidth partition coexisting with the non-LTE bandwidth partition in the system bandwidth, and the LTE bandwidth partition is within the non-LTE bandwidth partition or the LTE bandwidth partition is adjacent to the non-LTE bandwidth partition.

A method for transmitting and receiving HARQ-ACK information in a wireless communication system and a device therefor are disclosed. Specifically, a method of transmitting, by a user equipment (UE), HARQ-ACK information in a wireless communication system, the method comprising receiving configuration information related to a plurality of control resource sets; receiving first downlink control information (DCI) based on the first control resource set and second DCI based on the second control resource set via a physical downlink control channel (PDCCH); and transmitting the HARQ-ACK information based on the determined PUCCH resource, wherein an order of the first DCI and the second DCI is determined based on (i) an index of a monitoring occasion related to the PDCCH, (ii) a cell index, and (iii) an index of each control resource set pool, wherein the PUCCH resource is determined based on a last DCI among the first DCI and the second DCI.

A method for transmitting and receiving HARQ-ACK information in a wireless communication system and a device therefor are disclosed. Specifically, a method of transmitting, by a user equipment (UE), HARQ-ACK information in a wireless communication system, the method comprising receiving configuration information related to a plurality of control resource sets; receiving first downlink control information (DCI) based on the first control resource set and second DCI based on the second control resource set via a physical downlink control channel (PDCCH); and transmitting the HARQ-ACK information based on the determined PUCCH resource, wherein an order of the first DCI and the second DCI is determined based on (i) an index of a monitoring occasion related to the PDCCH, (ii) a cell index, and (iii) an index of each control resource set pool, wherein the PUCCH resource is determined based on a last DCI among the first DCI and the second DCI.

In some implementations, a method of wireless communications between a wireless communications network and wireless user equipment includes receiving, using a primary Time Division Duplex (TDD) configuration, data on a primary component carrier in a first frequency band. Using a secondary TDD configuration, data on a secondary component carrier is received in a second frequency band different from the first frequency band. A Hybrid Automatic Repeat Request (HARQ) for data received on the secondary component carrier is transmitted using a supplemental TDD configuration. A transmission or retransmission on the secondary component carrier uses a supplemental TDD configuration as well. The supplemental TDD configuration is different from the secondary TDD configuration. Furthermore, an uplink supplemental configuration may be different from a downlink supplemental configuration.

An adaptive system is configured for a data flow control of a video image processing system, wherein the adaptive system includes a first component, a second component, and a third component. The first component includes a variable frame structure and a new variable frame structure being activated/deactivated when new signal is added. The second component includes a bit definition of VB-ID (Vertical Blanking Identifier) that identify the new variable frame structure. The third component includes a dynamic switching of the variable frame structure configured to convert a type of the variable frame structure based on a prediction of a frame data and to set a data flow control strategy.

An adaptive system is configured for a data flow control of a video image processing system, wherein the adaptive system includes a first component, a second component, and a third component. The first component includes a variable frame structure and a new variable frame structure being activated/deactivated when new signal is added. The second component includes a bit definition of VB-ID (Vertical Blanking Identifier) that identify the new variable frame structure. The third component includes a dynamic switching of the variable frame structure configured to convert a type of the variable frame structure based on a prediction of a frame data and to set a data flow control strategy.