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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Feng Liu Xiaofeng Wang Liansun Zeng |
| Copyright Year | 2014 |
| Description | Author affiliation: Coll. of Inf. Eng., Shanghai Maritime Univ., Shanghai, China (Feng Liu; Xiaofeng Wang; Liansun Zeng) |
| Abstract | Consider K-hop cascaded directed relay networks with time-division duplex (TDD), where the source, the relays, and the destination form a directed chain, and each node only receives the transmissions from its upstream node in the chain. We quantitatively investigate the effect of TDD constraint, which obviously prohibits the use of some network states and reduces the whole transmission rate. Firstly we define a new S sequence based on the famous Fibonacci sequence, which is proven to exactly characterize the amount of all feasible network states. We further find Fibonacci number $F_{K}$ is equal to the amount of new feasible network states when hop K is added and activated from K - 1 hop networks. Recursive construction method to get all feasible states is also provided, along with some important properties. Then we formulate the scheduling problem into a linear program and find the maximum achievable rate with decode-and-forward relay strategy is r* = min ${C_{1}C_{2}/C_{1}+C_{2}, C_{2}C_{3}/C_{2}+C_{3},..., C_{K-1}C_{K}/C_{K-1}+C_{k}},$ where $C_{k}$ is the capacity of hop k. An example network is uWto demonstrate the scheduling process. |
| Starting Page | 5113 |
| Ending Page | 5118 |
| File Size | 116224 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781479920037 |
| DOI | 10.1109/ICC.2014.6884132 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-06-10 |
| Publisher Place | Australia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Vectors Wireless communication Relay networks (telecommunications) Equations Closed-form solutions Antennas cascaded directed relay networks Fibonacci number TDD scheduling feasible network state |
| Content Type | Text |
| Resource Type | Article |
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