针对wsn网络，提出的一种新的令牌环与TDMA相结合的mac协议TRMAC，并在tinyos里用nesc实现，在mica2上测试通过。-A new TokenRing and TDMA combination mac protocol named TRMAC ，implemented in tinyos and tested in mica2 nodes.

Recent advances in the relevant technologies of contemporary wireless sensor nodes has motivated a growth in the deployment of wireless sensor networks (WSN) for commercial, non-commercial and research applications. In the aforementioned appl