Control Information Indication Method and Apparatus
a control information and indication method technology, applied in the field of communication technologies, can solve the problem of relative low utilization efficiency of hs-scch code channel resources, and achieve the effects of improving code channel utilization efficiency, and reducing code channel overhead
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embodiment 1
[0047]This embodiment provides a control information indication method. As shown in FIG. 1, the method includes the following step.
[0048]101. A base station sends at least one piece of control information carried in a first serving cell to a user equipment (UE), where the control information includes a CID (Cell Identity). The UE parses an information field of the control information to acquire the CID, determines, according to the CID, a serving cell to which data corresponding to the control information belongs, and performs demodulation and decoding on the data in the serving cell by using the control information.
[0049]The serving cell refers to a communications area that can be reached by a signal, that is, a physical space that can be covered by the signal. The serving cell is bound to a frequency and a scrambling code. The serving cell includes the following cases: Two base stations use different frequencies, there is one serving cell separately for signals of the two base sta...
embodiment 2
[0062]This embodiment provides a control information indication method. As shown in FIG. 2, the method includes the following steps.
[0063]201. A UE receives at least one piece of control information sent by a base station in a first serving cell.
[0064]The serving cell refers to a communications area that can be reached by a signal, that is, a physical space that can be covered by the signal, and a signal of a frequency and a scrambling code can be used within the communications area. The serving cell includes the following several special cases: Two base stations use signals with different frequencies, there is one serving cell separately for signals of the two base stations in a same physical space, and the two serving cells overlay in the physical space; two base stations use signals with a same frequency, signals of the two base stations may have an overlapping area in a specific physical space, and in the overlapping area, the signals are differentiated by using different scramb...
embodiment 3
[0077]This embodiment provides a control information indication method, where a normal carrier is first established between a network side device and a user equipment (UE). As shown in FIG. 3, the method includes the following steps.
[0078]301. The network side device acquires an antenna configuration mode of the UE to learn a control channel type that the UE supports.
[0079]When the UE is configured as a non-MIMO mode, the control channel type may be called a type X (Type X). In this case, control information is distributed as shown in Table 1 (that a CID is carried in Part 1 is used as an example):
TABLE 1HS-SCCH Part 1HS-SCCH Part 2CCS (7 bits),TBS (6 bits)MI (1 bit),HARQ process (4 bits)NDI (1 bit)RV (2 bits)CID (K bits)UE identity (16 bits)
[0080]Bits represent the following meanings: CCS (Channelization-code-set information), MI (Modulation scheme information), NDI (New data indicator), TBS (Transport-block size information), HARQ process (Hybrid-ARQ process information), RV (Redu...
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