然而，使用多天线，就意味着多个射频链路会增加天线的体积、功率、硬件，从而增加成本。
However, multiple antenna system needs multiple RF chains, which will add cost in terms of size, power, and hardware.
本文对移动环境下蓝牙链路建立的可行性做了一定的研究，设计实现了系统的硬件与相关软件。
In this paper we explore the suitability of Bluetooth to make connections in highly mobile environments. We also design the hardware of the system and develop corresponding software.
作为蓝牙模块和主机间的软硬件接口HCI，可对控制基带与链路控制器、链路管理器、状态寄存器等硬件提供统一接口。
It also can create a wireless network betwixt digital device. HCI is the interface between software and hardware of Bluetooth module and host.
作为蓝牙模块和主机间的软硬件接口HCI，可对控制基带与链路控制器、链路管理器、状态寄存器等硬件提供统一接口。
It also can create a wireless network betwixt digital device. HCI is the interface between software and hardware of Bluetooth module and host.
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