Examples of 'epdcch' in a sentence
Meaning of "epdcch"
epdcch (adjective) - Refers to a type of resource element group used in 4G and 5G cellular networks for downlink control channels
How to use "epdcch" in a sentence
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epdcch
There are potential issues using the ePDCCH.
A localized ePDCCH can be mapped to multiple localized CCEs.
Another benefit to using the ePDCCH is power savings.
A distributed ePDCCH transmission is mapped within one set.
Efficient multiplexing of ePDCCH signals.
The distributed ePDCCH can have an aggregation level of one.
This can be used for distributed transmission of the ePDCCH.
Several examples of ePDCCH design and mapping principals will be provided.
The embodiments of the invention do not assume a particular structure for ePDCCH transmissions.
An ePDCCH can be mapped into either one or multiple control channel elements.
The network is able to configure the preferred ePDCCH behaviour depending on the deployment.
The ePDCCH enables precoding gains to be achieved for the control channels.
One advantage is that wireless device specific spatial processing may be exploited for ePDCCH.
The ePDCCH may occupy all symbols of a subframe except for the control region.
This is done in accordance with the subframe conveying the PDCCH or ePDCCH.
See also
The same ePDCCH region can be used by the macro node and the pico nodes.
Several aspects for a combined cPDCCH and ePDCCH operation in FIG.
The ePDCCH utilizes PRBs located within one or more ePDCCH resource regions within the subframe.
The RS ports of the RSs transmitted in the ePDCCH correspond to antenna ports.
A distributed ePDCCH can be mapped to one CCE or multiple distributed CCEs.
One advantage is that UE specific spatial processing may be exploited for ePDCCH.
This process will be described later in a PDCCH and ePDCCH search method of a terminal.
The detailed mapping depends on the number of PRB pairs configured for ePDCCH.
SUMMARY The introduction of ePDCCH makes it inevitable to further reduce interference between edge users.
The eCCE within the lowest PRB index can include part or full of ePDCCH resources.
The eNB then transmits the precoded ePDCCH and DMRS from the multiple eNB antennas.
In NCT ePDCCH is used which is transmitted across symbols and over a limited BW.
The corresponding PUCCH resource EPMATHMARKEREP for the localized mode of the ePDCCH illustrated in FIG.
In some cases the ePDCCH may be UE-specifically configured.
Bit-level scrambling may be used to create ePDCCH.
Figure 7 illustrates an allocation of ePDCCH to pico nodes in a heterogeneous network.
That is, ePDCCH for each terminal may be configured in units of ePRB.
In the environment, a method of creating ePDCCH will be described below.
More specifically, the ePDCCH can be transmitted in localized mode or distributed mode.
Figure 8 illustrates the localized mapping of an ePDCCH to an enhanced control region.
In addition, scheduling information may include rank information for the ePDCCH.
However, the sets of ePDCCH resources are not limited thereto.
For example, both localized and distributed transmission of the ePDCCH may be supported.
Additional ePDCCH candidates based on aggregation levels may also be employed, as can be appreciated.
The same PRBs used for the ePDCCH can be re-used.
For example, each ePDCCH resource region may correspond to a different set of ePDCCH resources.
Figure 9 illustrates the distributed mapping of an ePDCCH to enhanced control regions.
Additionally, each ePDCCH resource set may be separately configured with either a localized or distributed mode.
Then, a method in which a terminal searches for an ePDCCH área will be described below.
Also, scheduling information may include information about a transmission antenna port for the ePDCCH.
In an embodiment, the ePDCCH and the scheduled PDSCH are in different subframes.
Alternatively, a NodeB may prioritize either cPDCCH or ePDCCH decoding by a UE.
One example of ePDCCH candidates based on aggregation level is shown in Table 1, below.
Figure 7 shows an example of UE-specific reference symbols used for ePDCCH in LTE.
The HARQ-ACK feedback of the ePDCCH can be based on the reception of the ePDCCH.
