Abstract:
Half-duplex (HD) operations enable low cost implementations of LTE terminals. Traditionally, HD operations may be linked to a particular frequency band which may not allow a mix of full-duplex (FD) and HD terminals in the same frequency band. Therefore, certain aspects of the present disclosure provide techniques for enabling coexistence, in a given frequency band, of HD and FD terminals, by introducing frequency bands designated for HD operation and overlapping existing frequency bands designated for FD operation.
Abstract:
Aspects of the present disclosure relate to techniques for network assisted interference cancellation (NAIC). An example method generally includes receiving network assisted interference cancellation (NAIC) information from a potentially interfering neighbor base station, and performing interference cancellation, suppression or mitigation when processing a signal from a serving base station using the NAIC information.
Abstract:
Aspects disclosed herein relate to channel and interference estimations in a coordinated multi-point (CoMP) environment. In the disclosed aspects, an eNB may be equipped to signal an identifier indicating a plurality of resource patterns, each associated with a resource pattern group, and each including a first resource element pattern for channel estimation and a second resource element pattern for interference estimation. The UE may be equipped to receive the signaling and perform channel estimation based at least in part on the first resource element pattern, and interference estimation based at least in part on the second resource pattern generate at least one channel state report based on the channel and interference estimations, and transmit at least one channel state report to an eNB. The eNB may determine one or more resources for use by the UE based on the at least one received channel state report.
Abstract:
Certain aspects of the present disclosure relate to techniques that may help address issues in wireless communications systems that utilize unlicensed radio frequency spectrum bands. For example, the techniques presented herein may be used in systems where frames transmitted in licensed and/or un-licensed component carriers are not synchronous.
Abstract:
Periodic over-the-air channel state information (CSI) reporting to serving cells and one or more non-serving cells via a control channel multi-point attachment is disclosed. The channel state information report may be transmitted based on information indicating how to transmit the channel state information report to the non-serving cell. The information indicating how to transmit the channel state information report may be provided by the serving eNodeB. The information may include a periodicity, offset parameters, timing advance commands, power control commands, and/or an aperiodic report request.
Abstract:
Certain aspects of the present disclosure generally relate to wireless communications, and more specifically, coverage enhancements for physical broadcast channel (PBCH). According to certain aspects, a method is provided for wireless communications by a user equipment (UE). The method generally includes receiving a physical downlink shared channel (PDSCH) transmission, receiving a different type downlink transmission, with transmit power boosted relative to the PDSCH transmission, receiving information regarding relative transmit power of the PDSCH transmission relative to a common reference signal (CRS) based on the transmit power of the different type downlink transmission, and processing the PDSCH transmission based on the information.
Abstract:
Certain aspects relate to techniques and apparatus for network synchronization by network listening. Aspects include transmitting a synchronization signal for a base station (BS) to use for acquiring synchronization with the network. Aspects include listening for a synchronization signal from a BS to use for acquiring network synchronization. In aspects, a method for wireless communications by a BS is provided. The method generally includes acquiring synchronization with a network based on a first synchronization signal transmitted from a primary BS or a secondary BS, determining a synchronization stratum for the BS based on whether the BS acquired synchronization with the network from the primary BS or from the secondary BS, and transmitting a second synchronization signal for one or more other BS s to use for acquiring synchronization with the network, wherein the transmitting is based, at least in part on the determined synchronization stratum.
Abstract:
Certain aspects of the present disclosure generally relate to wireless communications and, more particularly, to techniques for control-less operation for machine-type communications (MTC).
Abstract:
Certain aspects of the present disclosure relate to methods and apparatus for network assisted interference cancellation (IC) and interference suppression (IS) for multiple services. According to aspects a user equipment (UE) may determine information regarding system parameters for one or more types of communications services used to transmit potentially interfering signals in one or more neighbor cells, wherein a type of the information determined depends on the type of communications service. The UE may perform interference management using the determined information to cancel or suppress interference caused by the potentially interfering signals.
Abstract:
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may be a UE. The UE receives synchronization signals and an information block from a first base station. The information block includes information indicating whether the first base station is in a dormant state or an active state. The UE detects the first base station based on the received synchronization signals and on the information indicating whether the first base station is in the dormant state or the active state. The UE may receive, from a second base station, an indication of resources for detecting the first base station. The synchronization signals and the information block may be received in the indicated resources. The UE may move to the first base station from a second base station in a handoff from the second base station to the first base station.