Invention Grant
- Patent Title: Delay and jitter limited wireless mesh network scheduling
- Patent Title (中): 延迟和抖动限制无线网状网络调度
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Application No.: US14804978Application Date: 2015-07-21
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Publication No.: US09473990B2Publication Date: 2016-10-18
- Inventor: Tadeusz H. Szymanski
- Applicant: Tadeusz H. Szymanski
- Main IPC: H04W28/26
- IPC: H04W28/26 ; H04W72/08 ; H04W72/04 ; H04W84/18 ; H04L5/00

Abstract:
Schedule and channel assignment (SCA) in a wireless mesh network (WMN) is disclosed. A method includes: forming a representation of a sequence of permutation matrices from an n×n rate matrix. The entries of the rate matrix define the bandwidth of links between the n nodes of the WMN. Each of the permutation matrices represents active radio links between the n nodes. The sequence of permutation matrices defines a sequence of radio links to provide the desired bandwidth of links between said n nodes. Further, a representation of a sequence of partial permutation matrices corresponding to the sequence of permutation matrices is formed in such a way that each of the permutation matrices can be decomposed into a group of partial permutation matrices. Each of the partial permutation matrices in a group represents non-interfering radio links between the n nodes. In each timeslot, the n nodes are configured for radio transmission and reception in accordance with at least one of the partial permutation matrices in each group to transmit traffic between the n nodes. Example SCA can be used to provision longer-term guaranteed-rate backhaul traffic flows supporting multimedia services such as VOIP or IPTV between base-stations in a WMN, with near-minimal delay and jitter and near-perfect Quality-of-Service for every provisioned traffic flow.
Public/Granted literature
- US20150327123A1 DELAY AND JITTER LIMITED WIRELESS MESH NETWORK SCHEDULING Public/Granted day:2015-11-12
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