A hybrid transmission cycle (HTC) unit of bandwidth on a shared transmission medium is defined to include an adaptive, time division multiplexing transmission cycle (ATTC), which is allocated in portions sequentially among all participating network entities, and a residual transmission cycle (RTC), which...http://www.google.com/patents/US6760308?utm_source=gb-gplus-sharePatent US6760308 - Adaptive transmission in multi-access asynchronous channels
