摘要:
System and method embodiments are provided for network adaption and utilization of a discovery signal (DS). In an embodiment, a method in a UE for communicating in a wireless network includes receiving a parameter(s) from a network controller, wherein the parameter provides the UE with an activation time frame within which the UE can expect to receive a common reference signal (CRS) from a network component, a deactivation time frame within which the UE is not to expect to receive the CRS, and information for receiving and processing a DS from the network component; receiving the DS from the network component, wherein a structure and format of the DS conforms to the parameter received by the UE; refraining from attempting to perform CRS based procedures when the CRS is not received; and performing one of synchronization, cell identification, and DS based radio resource management (RRM) measurements according to the DS.
摘要:
A system and a method for synchronization and link acquisition in cellular wireless systems with directional antennas are disclosed. In an embodiment a method for wireless communication includes synchronizing, by a first network controller, transmission of a first synchronization signal with transmission of a second synchronization signal from another network controller.
摘要:
An embodiment communication system and method adaptively use a secondary cell under the control of a primary cell for communicating with a user device. The secondary cell and the user device communicate based on instructions provided to both by the primary cell. To reduce interference and minimize power usage, the communications channel for the secondary cell is normally off.
摘要:
An embodiment of the present invention is disclosed including a method for adaptive reception, the method. The method includes receiving, by a user equipment (UE), an indicator from a first component carrier, the indicator indicating whether a second component carrier is in the On state. Receiving, by the UE, from the second component carrier a subframe wherein a reference signal is provided at a first symbol position of the subframe in a majority of subcarriers of the subframe. The second component carrier and the UE are then synchronized based on the reference signals. The UE then initiates a data link with the second component carrier.
摘要:
A system and method for hybrid beamforming diversity includes a method by a UE with one or more receive antenna ports, each of the receive antenna ports associated with a plurality of receive beam ports, the method comprising receiving, by the UE, information from a network indicating configurations of one or more transmit antenna ports, each of the transmit antenna ports associated with a plurality of transmit beam ports, the information further indicating a plurality of reference signals, receiving, by the UE, a subset of the reference signals, measuring, by the UE, receive signal quality for each of the subset of the reference signals, determining, by the UE, a selected receive beam port for each of the receive antenna ports, deriving, by the UE, one or more reporting sets, transmitting, by the UE, the one or more reporting sets to the network, and receiving, by the UE, a data transmission.
摘要:
User equipments can achieve quick channel synchronization when establishing a connection to base stations transitioning from a sleep mode to an active mode by using discovery resource signal (DRS) processing results and cell reference signal (CRS) processing results to establish channel synchronization with a CRS antenna port. More specifically, the user equipment may be notified that the CRS antenna port and DRS antenna port are quasi-co-located (QCL), and then use DRS processing results in conjunction with CRS processing results to obtain faster channel synchronization with a CRS antenna port. This may be particularly beneficial when the target BS is transitioned from a sleep mode to an active mode in order to accept a handover of the user equipment.
摘要:
Various devices and methods are provided that use enhanced downlink demodulation reference signals (DMRS) to facilitate inter-cell interference cancellation and suppression. Coordinated configuration of DMRS port assignments for transmission from cells in a group of neighboring cells is provided. Each cell's physical cell identification (PCID) is mapped with its corresponding assigned antenna port(s).
摘要:
System and method embodiments are provided for network adaptation and discovery. A method in a network controller includes transmitting a measurement reporting signaling to a user equipment (UE), the measurement reporting signaling indicating a radio resource management (RRM) measurement reporting configuration comprising a discovery reference signal (DRS) configuration of the UE; and controlling a network component to transmit only the DRS signal in response to the network component being deactivated
摘要:
A method for cell adaptation includes receiving, by a user equipment (UE), one or more transmission parameters for a transition reference signal (TRS). One or more cells is transitioned between a reduced activity mode and an active transmission and reception mode in accordance with the TRS. The method further includes the UE determining whether or not to transmit the TRS in accordance with one or more TRS transmission criteria, and the UE transmitting the TRS in accordance with the one or more transmission parameters.
摘要:
User equipments can achieve quick channel synchronization when establishing a connection to base stations transitioning from a sleep mode to an active mode by using discovery resource signal (DRS) processing results and cell reference signal (CRS) processing results to establish channel synchronization with a CRS antenna port. More specifically, the user equipment may be notified that the CRS antenna port and DRS antenna port are quasi-co-located (QCL), and then use DRS processing results in conjunction with CRS processing results to obtain faster channel synchronization with a CRS antenna port. This may be particularly beneficial when the target BS is transitioned from a sleep mode to an active mode in order to accept a handover of the user equipment.