第五代通訊系統中使用Sub-6和毫米波兩個頻段。其中毫米波頻段的電磁波
波長較短，所以適合使用巨型陣列天線技術滿足現代通訊高吞吐量的傳送需求。
本論文的研究鎖定巨型陣列天線下，下行多用戶的通訊情境。在下行多用戶的通
訊情境中，迫零髒紙編碼預編碼演算法具有最大的通道容量，以及在傳送天線個
數和接收天線個數相同時具有最低的複雜度。因此在此論文中，我們設計迫零髒
紙編碼預編碼器的電路，並且採用水填充法進行功率分配，以最大化通訊系統通
道容量。最後，透過28 nm製程，實現出迫零髒紙編碼預編碼器，在151 MHz
時鐘速度下，可以達到19.25 Gbps的資料吞吐量，以及147K matrices/s的通道
更新率。

Both the Sub-6 GHz and millimeter-wave (mmWave) frequency bands are utilized in the fifth-generation (5G) communication system. Due to the shorter wavelength of electromagnetic waves in the mmWave band, massive antenna array technology is well-suited to meet the high-throughput transmission demands of modern communication. This thesis focuses on the downlink multi-user communication scenario under antenna arrays. In such a scenario, the zero-forcing dirty paper coding (ZF-DPC) precoding algorithm achieves the highest channel capacity and the lowest complexity when the number of transmit and receive antennas is equal. Therefore, in this thesis, we design a circuit for the ZF-DPC precoder and employ the water-filling method for power allocation to maximize the channel capacity of the communication system. Finally, using a 28nm process, we implement the ZF-DPC precoder, which achieves a data throughput of 19.25 Gbps and a channel update rate of 147K matrices/s at a clock speed of 151 MHz.

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