ID |
原文 |
译文 |
45066 |
并采用频域子波段虚级联技术实现不同代 ROADM节点间的互通互联。 |
Also, for the interconnection between different generations of ROADM, the sub-band virtual concatenation (VCAT) technique was employed to enable an optical channel to be established via traversing different types of nodes. |
45067 |
同时,通过建立整数线性规划(ILP)优化模型和提出高效的启发式算法来完成对这些升级节点的选择。 |
An integer liner programming (ILP) model and an efficient heuristic algorithm were developed to jointly select the ROADM nodes to upgraded and assign spectrum resources. |
45068 |
仿真结果表明,提出的升级光节点选择策略十分有效,可达到与 ILP 优化模型接近的网络频谱使用效率。 |
Simulation studies show that the proposed strategy for the upgraded node selection is efficient to perform close to the ILP model in terms of the maximum number of FS used in the whole network. |
45069 |
考虑到次用户的能量采集能力具有差异,且不同的次用户对信道的感知能力不同,在各信道上传输的信道质量也不同,基于单跳网络场景,以次级网络吞吐量为优化目标,结合能量采集技术,在能量因果关系约束下, |
Considering the diversity of energy harvesting capability and spectrum sensing accuracy of SU, as well as dynamic channel quality, under the constraint of energy causality, the secondary network throughput maximization problem in single-hop cognitive radio networks with energy harvesting was studied. |
45070 |
提出一种次用户传输信道选择、传输功率控制、传输时间分配的多维联合资源优化模型。 |
The transmission channel selection, transmission power control and transmission time allocation of SU were jointly optimized. |
45071 |
其中,针对原始的非凸优化问题,通过将其转化为一系列的凸优化子问题,得出资源分配算法(OPTA), |
Since the optimization problem was non-convex, by converting it into a series of convex optimization sub-problems, the optimize transmission power and transmission time algorithm (OPTA) was obtained. |
45072 |
并通过与传统资源分配算法(HDEA、OTA 及 RA)对比,验证了所提算法的正确性及有效性。 |
Compared with the existing resource allocation algorithms, such as,hybrid differential evolution algorithm (HDEA), optimized transmission algorithm (OTA), and random assignment channel algorithm (RA), the simulation results verify the correctness and effectiveness of the proposed algorithm. |
45073 |
仿真结果显示,在同一最大功率门限条件下,OPTA 比传统的 HDEA、OTA 及 RA 的吞吐量分别提高了约 6%、37%及 50%; |
For example,under the same maximum transmission power constraint, the throughput of the proposed OPTA scheme could increase by around 6%, 37% and 50% than that of HDEA, OTA and RA schemes respectively. |
45074 |
在同一信道增益差异度的条件下,OPTA 比 HDEA、OTA 及 RA 的吞吐量分别提高了约 30%、60%及 94%; |
Under the same channel gain diversity,the throughput of the proposed OPTA scheme could increase by around 30%, 60% and 94% than that of HDEA, OTA and RA schemes respectively. |
45075 |
在同样次用户能量采集效率差异度下,OPTA 比 HDEA、OTA 及 RA 的吞吐量分别提高了约 27%、50%及 92%。 |
Under the same energy harvesting efficiency diversity, the throughput of the proposed OPTA scheme could increase by around 27%, 50% and 92% than that of HDEA, OTA and RA schemes respectively. |