Method for realizing downward control channel in wireless communication system
A wireless communication system and control channel technology, which is applied in the field of realization of downlink control channels in wireless communication systems, can solve problems such as control channel and data multiplexing, achieve reliable transmission, ensure robustness, and reduce overhead
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[0026] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods, taking a broadband cellular wireless communication system as an example.
[0027] Such as figure 2 As shown, it is a schematic diagram of the composition of basic resource blocks and downlink subframe units in the present invention. In an OFDMA system, in order to reduce the overhead of system resource assignment, a subframe unit is divided into a plurality of basic resource blocks 201, and the basic resource blocks 201 are composed of time domain and frequency two-dimensional resources. A subframe unit is composed of a basic resource block 201 with a fixed size, and the size of the basic resource block 201 is M subcarriers×N OFDM symbols.
[0028] In figure (a), each basic resource block 201 is composed of orthogonal subcarriers and OFDM symbols, the number of orthogonal subcarriers is 9, and the number of OFDM symbols is 6....
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