图7　蓝牙网络时延

　　4、结语

　　总体来说，该机制在减小丢包率和提高网络吞吐量方面非常有效，此机制并没有使网络时延明显增大，另外还有一个好处就是当信道不良时不发送信号能够节省发射功率。最重要的就是我们消除了蓝牙和802.11b之间的干扰。该机制的不足之处是针对ACL链路，对于SCO链路还需要进一步的研究。

　　参考文献

　　[1]　Gan H,and Treister B. Adaptive Frequency Hopping Implementation Proposals forIEEE 802.15.1/2 WPAN [EB/OL]. http://www.ieee802.org/15/pub/TG2-Coexistence-Mechanisms.html, 2000-11.
　　[2]　Treister B,Gan H B, Chen K.C.,Chen H.K.,Batra A.,and Eliezer O.Components of the AFH Mechanism [EB/OL].http//www,ieee802, org/15/pub/TG2-Coexistence-Mechanisms.html, 2001-5.
　　[3]　Carla F, Chiasserini and Ramesh R.Rao.Coexistence Mechanisms for Interference Mitigation between IEEE 802.11 WLANsand Bluetooth [A]. INFOCOM 2002 [C].Twenty-First Annual Joint Conference of the IEEE Computer and Communications　Societies, Proceedings. IEEE, 2002:590-598.
　　[4]　Kalia M. Bansal D. Shorey R. Vehicular Data scheduling and SAR for Bluetooth MAC [A]VTC 2000[C]-Spring Tokyo. 2000 IEEE 51st.
　　[5]　Jesung Kim, Yujin Lim, Yongsuk Kim, and Joong Soo Ma. An adaptive segmentation scheme for the Bluetooth-hased wireless channel[A].Proceedings.Tenth International Conference on Computer Communications and Networks[C].2001:440-445.
　　[6]　Carlos de M, Cordeiro and Dharma P. Agrawal.Employing Dynamic Segmentation for Effective Colocated Coexistence between Bluetooth and IEEE 802.11 WLANs [A].Global Telecommunications Conference [C]. GLOBECOM '02 IEEE,2002:195-200.
　　[7]　N. Golmie, Rebala O, Chevrollier N.Bluetooth Adaptive Frequency Hopping and Scheduling [A].Proc MILCOM '03[C],Boston, MA, Oct.2003.

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作者: 吴彦奇 朱刚
摘自: 无线通信技术
原文链接: http://www.c114.net/Technic/ZZHtml_200610/T2006102613182518422-1.shtml