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can the LTE-A Component carriers belongs to separate eNodeBs
Posted on 13. Jun, 2012 by ltea
in LteWorld Forum
Hello all,
I cannot find in 3GPPi R10 and beyond specs clearly says that CCs must be from the same eNodeBi.
can somebody please confirm whether this is the case, if so which specs state this.
In R10 and beyond, will a single MACi entity will perform the scheduling functionality across cells under same eNodeB.
kind regards
Sira
3GPPi 36.300 R10 reads
3GPPi 36.300 R10 reads followings, so R10 UEi can receive CC from multiple serving cell.
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In Carrier Aggregation (CA), two or more Component Carriers (CCs) are aggregated in order to support wider transmission bandwidths up to 100MHz. A UE may simultaneously receive or transmit on one or multiple CCs depending on its capabilities:
- A Rel-10 UE with reception and/or transmission capabilities for CA can simultaneously receive and/or transmit on multiple CCs corresponding to multiple serving cells;
- A Rel-8/9 UE can receive on a single CC and transmit on a single CC corresponding to one serving cell only.
CA is supported for both contiguous and non-contiguous CCs with each CC limited to a maximum of 110 Resource Blocks in the frequency domain using the Rel-8/9 numerology.
It is possible to configure a UE to aggregate a different number of CCs originating from the same eNB and of possibly different bandwidths in the UL and the DL.
- The number of DL CCs that can be configured depends on the DL aggregation capability of the UE;
- The number of UL CCs that can be configured depends on the UL aggregation capability of the UE;
- It is not possible to configure a UE with more UL CCs than DL CCs;
- In typical TDD deployments, the number of CCs and the bandwidth of each CC in UL and DL is the same.
CCs originating from the same eNB need not to provide the same coverage.