光无线混合宽带接入网的路由技术研究

[摘要] 文章研究了光无线混合宽带接入网(HOWBAN)后端无源光网络(PON)采用的多点控制协议以及前端无线网状网(WMN)中的各种路由机制，重点研究了几种适用于HOWBAN前端WMN的路由算法：最小跳路由算法、最短路径路由算法、风险和时延感知的路由算法、感知时延路由算法、预测吞吐量路由算法、容量和时延感知的路由算法、能量感知的路由算法、流量限制路由算法、时延区分路由算法。对HOWBAN中的传输协议，文章指出保持服务公平性、保证健壮性、提高服务质量（QoS）、节约能源、保障安全性、适应多频道网络等问题值得深入研究。

[关键词] 光无线混合；宽带接入网；路由

[Abstract] In this paper we discuss multipoint control protocol (MPCP) in a passive optical network (PON) that is part of a of hybrid optical-wireless broadband access networks (HOWBAN). We discuss several promising routing mechanisms for a wireless mesh network (WMN) in a HOWBAN. We focus on several routing algorithms in a WMN (the front part of a HOWBAN). These algorithms include minimum-hop routing algorithm (MHRA), shortest path touting algorithm (SPRA), risk-and-delay aware algorithm (RADAR), delay-aware algorithm(DARA), predictive-throughput routing algorithm (PRTA), capacity- and delay-aware routing (CaDAR), energy-aware routing algorithm (EARA), flow-limited routing algorithm(FLRA), and delay-differentiated routing algorithm (DDRA). Future work on HOWBAN transmission protocols must be focused on fairness, robustness, improving QoS, saving energy, security, and adjusting to multichannel networks.

[Keywords] hybrid optical-wireless; broadband access networks; routing