宽带CDMA Wideband Code Division Multiple Access WCDMA 高层协议upper layer protocol ULP 能够提供Iu接口和A接口(可选)的第3代MSC A third generation MSC that supports the Iu interface and optionally the A i...
In the system, the upperlayer application software for the USB embedded host in household entertainment products is designed and implemented based on USB Protocol, by resolution of DVD.
This technology auto accomplished in physical layer, no need upperprotocollayer support, has the strongpoint of fast switching and short application resume time.
该技术完全在物理层自动完成，无需上层协议的支持，具有快速切换和业务恢复时间短等优点。
3
Above the HCI layer are the upper layers of the protocol stack. The first of these is the L2CAP (logical link control and adaptation protocol) layer. The L2CAP is primarily responsible for.