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The search space allocation scheme is a very important operation done to schedule users in the resources of the control channels PDCCH and enhanced PDCCH. However, the standard scheme has many drawbacks as it allocates each user a contiguous number of candidates to blindly search for its control information. This paper reviews some of the proposed designs in literature for the search space allocation...
The Physical Downlink Control Channel (PDCCH) in the LTE system could not support the new features introduced in the LTE-Advanced system such as Coordinated Multipoint (CoMP), and Inter-Cell Interference Coordination (ICIC). Thus, enhanced Physical Downlink Control Channel (ePDCCH) evolved in LTE-Advanced to fulfill the new requirements and avoid the PDCCH problems. But one problem remained unsolved...
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