2020 54th Asilomar Conference on Signals, Systems, and Computers最新文献_第4页

Wideband Active Analog Self-Interference Cancellation for 5G and Beyond Full-Duplex Systems 5G及以上全双工系统的宽带有源模拟自干扰消除

2020 54th Asilomar Conference on Signals, Systems, and Computers Pub Date : 2020-11-01 DOI: 10.1109/IEEECONF51394.2020.9443548

Haifeng Luo, M. Holm, T. Ratnarajah

引用次数: 9

A Stochastic Optimization Framework for Distributed Beam Scheduling in 5G mm-Wave Networks over Non-cooperative Operators 非合作运营商下5G毫米波网络分布式波束调度的随机优化框架

2020 54th Asilomar Conference on Signals, Systems, and Computers Pub Date : 2020-11-01 DOI: 10.1109/IEEECONF51394.2020.9443384

Xiang Zhang, Shamik Sarkar, Arupjyoti Bhuyan, S. Kasera, Mingyue Ji

{"title":"A Stochastic Optimization Framework for Distributed Beam Scheduling in 5G mm-Wave Networks over Non-cooperative Operators","authors":"Xiang Zhang, Shamik Sarkar, Arupjyoti Bhuyan, S. Kasera, Mingyue Ji","doi":"10.1109/IEEECONF51394.2020.9443384","DOIUrl":"https://doi.org/10.1109/IEEECONF51394.2020.9443384","url":null,"abstract":"This paper considers the problem of distributed scheduling for 5G mm-Wave networks where the base stations (BSs) belong to different operators sharing the same spectrum without any coordination among them. We aim to design efficient distributed beam scheduling algorithms such that the network utility which is a function of the average throughput can be maximized subject to the (average and instantaneous) power consumption constraints of the base stations. We propose a Medium Access Control (MAC) and a power allocation/adaptation mechanism utilizing the Lyapunov stochastic optimization framework which can be cast into two stochastic/deterministic optimization problems, where the first one can be solved via convex optimizations and the second one can be solved by \"max-weight\" type algorithms or non-cooperative games. The main novelty of the proposed approach is to formulate an optimization framework that is applicable for different MAC schemes with optimizable parameters such that the optimal values of the network utility function under such different MAC schemes can be achieved for distributed beam scheduling. To illustrate the proposed approach, we consider two MAC schemes, namely, non-cooperative game and p-persistent medium access control. We conduct simulations to justify the effectiveness of the proposed optimization framework. Interestingly, the non-cooperative game based approach can converge faster but with a worse optimal value compared to that achieved by the p-persistent based scheme. Hence, in this particular case, we suggest to start with the non-cooperative game scheme and then adapt to the p-persistent based scheme.","PeriodicalId":248190,"journal":{"name":"2020 54th Asilomar Conference on Signals, Systems, and Computers","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127855147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Exact Characterization of Phase Locking in a Linear Recurrent Spiking Neural Network 线性循环尖峰神经网络锁相的精确表征

2020 54th Asilomar Conference on Signals, Systems, and Computers Pub Date : 2020-11-01 DOI: 10.1109/IEEECONF51394.2020.9443314

Fatemeh Koohestan-Mahalian, N. Cotter

引用次数: 0

Cell-free Massive MIMO with multi-antenna access points and user terminals 无小区大规模MIMO多天线接入点和用户终端

2020 54th Asilomar Conference on Signals, Systems, and Computers Pub Date : 2020-11-01 DOI: 10.1109/IEEECONF51394.2020.9443558

A. Burr, S. Islam, Junbo Zhao, M. Bashar

引用次数: 6

Robust Class Parallelism - Error Resilient Parallel Inference with Low Communication Cost 鲁棒类并行性-低通信成本的容错并行推理

2020 54th Asilomar Conference on Signals, Systems, and Computers Pub Date : 2020-11-01 DOI: 10.1109/IEEECONF51394.2020.9443452

Yaoqing Yang, Jichan Chung, Guanhua Wang, Vipul Gupta, Adarsh Karnati, Kenan Jiang, I. Stoica, Joseph E. Gonzalez, K. Ramchandran

{"title":"Robust Class Parallelism - Error Resilient Parallel Inference with Low Communication Cost","authors":"Yaoqing Yang, Jichan Chung, Guanhua Wang, Vipul Gupta, Adarsh Karnati, Kenan Jiang, I. Stoica, Joseph E. Gonzalez, K. Ramchandran","doi":"10.1109/IEEECONF51394.2020.9443452","DOIUrl":"https://doi.org/10.1109/IEEECONF51394.2020.9443452","url":null,"abstract":"Model parallelism is a standard paradigm to decouple a deep neural network (DNN) into sub-nets when the model is large. Recent advances in class parallelism significantly reduce the communication overhead of model parallelism to a single floating-point number per machine per iteration. However, traditional fault-tolerance schemes, when applied to class parallelism, require storing the entire model on the hard disk. Thus, these schemes are not suitable for soft and frequent system noise such as stragglers (temporarily slow worker machines). In this paper, we propose an erasure-coding based redundant computing technique called robust class parallelism to improve the error resilience of model parallelism. We show that by introducing slight overhead in the computation at each machine, we can obtain robustness to soft system noise while maintaining the low communication overhead in class parallelism. More importantly, we show that on standard classification tasks, robust class parallelism maintains the state-of-the-art performance.","PeriodicalId":248190,"journal":{"name":"2020 54th Asilomar Conference on Signals, Systems, and Computers","volume":"1994 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125549809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Asymptotic Performance In Heterogeneous Human-machine Inference Networks 异构人机推理网络的渐近性能

2020 54th Asilomar Conference on Signals, Systems, and Computers Pub Date : 2020-11-01 DOI: 10.1109/IEEECONF51394.2020.9443353

Chen Quan, Baocheng Geng, P. Varshney

引用次数: 4

Sparse Approximation of an Outdoor-to-Indoor Massive MIMO Channel Measurement 室外到室内大规模MIMO信道测量的稀疏逼近

2020 54th Asilomar Conference on Signals, Systems, and Computers Pub Date : 2020-11-01 DOI: 10.1109/IEEECONF51394.2020.9443371

H. Groll, Daniel Schützenhöfer, Stefan Pratschner, P. Gerstoft, C. Mecklenbräuker

引用次数: 0

Distributed Massive MIMO via all-Digital Radio Over Fiber 通过光纤上的全数字无线电分布大规模MIMO

2020 54th Asilomar Conference on Signals, Systems, and Computers Pub Date : 2020-11-01 DOI: 10.1109/IEEECONF51394.2020.9443347

Lise Aabel, G. Durisi, I. Sezgin, Sven Jacobsson, C. Fager, M. Coldrey

{"title":"Distributed Massive MIMO via all-Digital Radio Over Fiber","authors":"Lise Aabel, G. Durisi, I. Sezgin, Sven Jacobsson, C. Fager, M. Coldrey","doi":"10.1109/IEEECONF51394.2020.9443347","DOIUrl":"https://doi.org/10.1109/IEEECONF51394.2020.9443347","url":null,"abstract":"A crucial challenge in the implementation of distributed massive multiple-input multiple-output (MIMO) architectures is to provide phase coherence while, at the same time, limit the complexity of the remote-radio heads (RRHs), which is important for cost-efficient scalability. To address this challenge, we present in this paper a phase-coherent distributed MIMO architecture, based on off-the-shelf, low-cost components. In the proposed architecture, up- and down-conversion are carried out at the central unit (CU). The RRHs are connected to the CU by means of optical fibers carrying oversampled radio-frequency (RF) 1-bit signals. In the downlink, the 1-bit signal is generated via sigma-delta modulation. At the RRH, the RF signal is recovered from the 1-bit signal through a bandpass filter and a power amplifier, and then fed to an antenna. In the uplink, the 1-bit signal is generated by a comparator whose inputs are the low-noise-amplified received RF signal and a suitably designed dither signal. The performance of the proposed architecture is evaluated with satisfactory results both via simulation and measurements from a testbed.","PeriodicalId":248190,"journal":{"name":"2020 54th Asilomar Conference on Signals, Systems, and Computers","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126491912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

User Association in Scalable Cell-Free Massive MIMO Systems 可扩展无小区大规模MIMO系统中的用户关联

2020 54th Asilomar Conference on Signals, Systems, and Computers Pub Date : 2020-11-01 DOI: 10.1109/IEEECONF51394.2020.9443536

C. D’Andrea, E. Larsson

引用次数: 19

Reinforcement Learning based Per-antenna Discrete Power Control for Massive MIMO Systems 基于强化学习的大规模MIMO系统单天线离散功率控制

2020 54th Asilomar Conference on Signals, Systems, and Computers Pub Date : 2020-11-01 DOI: 10.1109/IEEECONF51394.2020.9443383

Navneet Garg, M. Sellathurai, T. Ratnarajah

引用次数: 0