Method for reference signal pattern allocation and related communication device
AssigneeAcer Incorporated
InventorsYan-Xiu Zheng, Chung-Lien Ho
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Abstract
A method for reference signal pattern allocation for a eNodeB in a wireless communication system is disclosed. The method comprises allocating a plurality of physical resource blocks (PRBs) to at least one mobile device; and mapping a plurality of reference signal patterns to the PRBs according to a mapping rule.
Claims72
A method for reference signal pattern allocation for an eNodeB in a wireless communication system, the method comprising:
- allocating a plurality of physical resource blocks (PRBs) to at least one mobile device;
- and
- mapping a plurality of reference signal patterns same as a plurality of orthogonal cover code (OCC) reference signal patterns multiplied with the associated demodulation reference signal to the PRBs according to an OCC mapping rule, wherein the OCC reference signal pattern applies length-2 or length-4Walsh code OCC mapping according to antenna port and the direction of length-2 or length-4 Walsh code OCC sequences are mapped forward, reverse and forward on 14 OFDM symbols in time domain and 12
- subcarriers in frequency domain.
A communication device of handling reference signal pattern allocation in a wireless communication system, the communication device comprising:
- means for allocating a plurality of physical resource blocks (PRBs) to at least one mobile device;
- and
- means for mapping a plurality of reference signal patterns same as a plurality of OCC reference signal patterns multiplied with the associated DM RS signal to the PRBs according to an OCC mapping rule, wherein the reference signal pattern is the demodulation reference signals on 7 OFDM symbols in time domain and 12 subcarriers in frequency domain multiplied by length-2or length-4 Walsh code OCC mapping according to antenna port and the direction of length-2 or length-4 Walsh code OCC sequences are mapped reverse, forward and reverse on 14 OFDM symbols in time domain and 12subcarriers in frequency domain.
A method for reference signal pattern allocation for a mobile device in a wireless communication system, the method comprising:
- receiving a plurality of physical resource blocks (PRBs) to from a eNodeB;
- and
- using a plurality of reference signal patterns same as a plurality of OCC reference signal patterns multiplied with the associated DM RS signal on the received PRBs according to an OCC mapping rule, wherein the reference signal pattern is the demodulation reference signals on 7 OFDM symbols in time domain and 12 subcarriers in frequency domain multiplied by length-2 or length-4 Walsh code OCC mapping according to antenna port and the direction of length-2 or length-4 Walsh code OCC sequences are mapped reverse, forward and reverse on 14 OFDM symbols in time domain and 12subcarriers in frequency domain.
A communication device for reference signal pattern allocation for a mobile device in a wireless communication system, the communication device comprising:
- means for receiving a plurality of physical resource blocks (PRBs) to from a eNodeB;
- and
- means for using a plurality of reference signal patterns same as a plurality of OCC reference signal patterns multiplied with the associated DM RS signal to demodulate the PRBs according to an OCC mapping rule, wherein the reference signal pattern is the demodulation reference signals on 7 OFDM symbols in time domain and 12 subcarriers in frequency domain multiplied by length-2 or length-4 Walsh code OCC mapping according to antenna port and the direction of length-2 or length-4 Walsh code OCC sequences are mapped reverse, forward and reverse on 14 OFDM symbols in time domain and 12 subcarriers in frequency domain.
Dependencies are inferred from the claim text.