摘要:
A method and apparatus are provided that may enable the provision of machine to machine (M2M) communication in a wireless network environment. In this regard, for example, relatively low power devices (specifically referencing low transmission power) such as sensors or other machines in an M2M system may be enabled to communicate with a mobile terminal via a first carrier when the power ratio between the average received machine power and the average downlink received cellular power is below a threshold value and communicate with the mobile terminal via a second carrier if the power ratio exceeds the threshold value. Thus, only one carrier may be needed by devices in such an environment in order to perform M2M communication.
摘要:
A method, apparatus and computer program product are therefore provided according to an example embodiment to provide a cellular based ITS environment. In this regard, a method includes causing a secondary cell carrier (SCC) to be configured for a mobile terminal located in a vehicular target area. The method of this embodiment may also include causing the SCC to be activated by signaling a vehicular fast activation block (VFAB). The method of this embodiment may also include causing the SCC to deactivate based on a signal strength measurement, received from a road side unit (RSU), in an instance in which the signal strength measurement does not satisfy a predetermined threshold over a measurement period based on a timer.
摘要:
A method, system, apparatus, and computer program can provide scheduling of direct to direct communication by a high speed packet access base station. The method, for example, can include obtaining a direct user equipment communication toggling message. The method can also include interpreting physical layer signaling on a first frequency of a first radio system based on the toggling message. The method can further include scheduling a direct user equipment pair on a second frequency of a second system based on the interpreting. The toggling message can include a triggering message to initiate direct user equipment communication or an exit message to terminate direct user equipment communication.
摘要:
Apparatus and method for communication are provided. The solution includes controlling a transceiver to determine free frequency blocks on a shared spectrum and controlling a transceiver to map synchronization control channels, downlink and uplink physical control channels, physical broadcast channel and random access channel on found free frequency blocks.
摘要:
RRC signaling is used to configure a user device for N secondary cells SCells on license-exempt channels wi in a frequency hopping channel set W={wi} where i=1, 2, . . . N. Then cross-carrier scheduling is sent on a primary cell PCell to schedule a frequency hopping FH resource block hi on the ith license-exempt channel wi. Based on measurements of at least some of the license-exempt channels wi received from at least the user device, parameters for the frequency hopping are adapted. The FH resource block contains M physical resource blocks, scheduled for the SCell during a FH time interval Tu*L+j by a resource grants sent on a PDCCH of the PCell. In an embodiment the RRC signaling is sent by a micro access node/HeNB on the PCell, the cross carrier scheduling is sent also by the micro access node/HeNB on the PCell, and the PCell lies within a LTE licensed frequency band.
摘要:
A method and apparatus are provided to facilitate communications with MTC devices. An apparatus may include processing circuitry configured at least to receive a broadcasted triggering message and to determine whether the triggering message identifies a machine-type communication (MTC) gateway or another device within a capillary network supported by the MTC gateway. The processing circuitry may cause at least a portion of the triggering message to be provided to a device within the capillary network in an instance in which the triggering message identifies the device within the capillary network. The processing circuitry may also be configured to determine an action requested by the triggering message in an instance in which the triggering message identifies the MTC gateway.
摘要:
In accordance with an example embodiment of the present invention, a method is disclosed that comprises receiving a reference signal from each of at least two target neighbor cells via at least one receiving branch at a user equipment; estimating a timing range based at least on one of a timing advance for a serving cell and an inter-cell distance between the target neighbor cell and the serving cell; computing a reference signal time difference for the received reference signal from the target neighbor cell; and screening the computed reference signal time difference using the estimated timing range.
摘要:
A method and apparatus are provided for timed estimation-based positioning of a user equipment in LTE systems. The method includes estimating, by a mobile node, a plurality of reference signal time differences (RSTD) between the mobile node and a network node. The plurality of RSTD estimates define a first correlator. The method further includes determining a second correlator of RSTD estimates, and defining the second correlator with the first correlator based on a mean of the plurality of RSTD estimates. Further, the method includes determining a distribution of the plurality of RSTD estimates, and grouping clusters of RSTD estimates in the distribution. Additionally, the method includes selecting a cluster from the clusters of RSTD estimates. The cluster includes RSTD estimates closest to a center of the second correlator. The cluster is transmitted, by the mobile node, to the network node for positioning the mobile node in a communications network.
摘要:
An apparatus, system and method to dynamically manage an allocation of communication resources for direct device-to-device communications between a plurality of wireless communication devices in a wireless communication system. In one embodiment, the apparatus (410) includes a communication resource allocator (420) configured to: (1) select a master communication device of a plurality of wireless communication devices that form a device-to-device group, (2) provide an allocation of communication resources for device-to-device group that facilitate direct device-to-device communications therebetween. The apparatus (410) also includes a message generator (430) configured to assemble messages that include the allocation of the communication resources.