电子工程系

Department of Electronic Engineering 

 

Zhisheng NIU, Ph.D. Professor
IEEE Fellow, IEICE Fellow
Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
Tel: +86-10-62781423
Fax: +86-10-62773634
E-mail: niuzhs@tsinghua.edu.cn
Webside:http://network.ee.tsinghua.edu.cn/niulab/

 

 

Education background

PhD (1992): Department of Information Engineering, Toyohashi University of Technology, Toyohashi, Japan

M.E. (1989): Department of Information Engineering, Toyohashi University of Technology, Toyohashi, Japan

B.E. (1985): Department of Communication and Control, Beijing Jiaotong University, Beijing, China

 

 

Experience

Professor (11/99 - today), Dept. of Electronic Engineering, Tsinghua University, China
Associate Professor (12/94 - 11/99), Dept. of Electronic Engineering, Tsinghua University, China
Lecture (04/94 - 12/94), Dept. of Electronic Engineering, Tsinghua University, China
Researcher (04/92 - 03/94), Dept of Integrated Communication Networks, Fujitsu Laboratories Ltd, Japan

Visiting Experience: 
Distinguished Visiting Fellow (11/14-12/14), Ming-Hsieh Institute, University of Southern California, USA
Visiting Professor (09/14 – 10/14), Dept of Informatics, University of Hamburg, Germany
Visiting Professor (01/02 – 02/02), Dept. of Electronic Engineering, Polytechnic University, USA
Visiting Professor (01/01 – 02/01), Saga University, Japan
Visiting Senior Researcher (02/97 – 02/98), Dept. of Networking Systems, Hitachi Central Research Laboratory, Japan
Visiting Researcher (10/95 – 02/96), Dept. of Integrated Communication Networks, Communication Research Laboratory (now NICT), Ministry of Posts and Telecommunications of Japan (now Ministry of Internal Affairs and Communications), Tokyo, Japan

 

Concurrent Academic

Co Editor-in-Chief (2014 - ), “ICT Express”, Korean Institute of Information & Communication Society (KICS) e-Publication;
Vice Chair (2013-17), Educational Affairs Committee, Chinese Institute of Electronics (CIE);
Vice Chair (2008-16), Technical Committee for Information and Communication Networks, Chinese Institute of Communication (CIC);
Standing Committee Member (2012-17), Communication Science and Technology Committee, Ministry of Industry and Information Technology of China;
Standing Committee Member (2012-17), Stochastic Service and Operation; Management Sub-Society, Operation Society of China;
Standing Committee Member (2012-17), Chinese Institute of Communication (CIC), China;
IEEE Teaching Award Committee (2014-16), IEEE;
International Advisory Committee (2014-present), International Teletraffic Congress;
Steering Committee (2012-present), IEEE International Conference on Communications in China (ICCC).

Former(2010-2016): 
Associate Editor-in-Chief (2012 -14), IEEE/CIC Joint Publication “China Communications”
Editor (2009-13), “IEEE Wireless Communication Magazine”
Chair (2013-14), Emerging Technologies Committee, IEEE Communication Society
Director (2010-11), Conference Publication, IEEE Communication Society
Vice Chair (2013-17), Educational Affairs Committee, Chinese Institute of Electronics (CIE)
Vice Chair (2008-16), Technical Committee for Information and Communication Networks, Chinese Institute of Communication (CIC)
Standing Committee Member (2012-17), Communication Science and Technology Committee, Ministry of Industry and Information Technology of China
Standing Committee Member (2012-17), Stochastic Service and Operation Management Sub-Society, Operation Society of China
Standing Committee Member (2012-17), Chinese Institute of Communication (CIC), China
Council Member (2007-11), Chinese Institute of Electronics (CIE)
Guest Editor, Series on Green Communications and Networking, IEEE J. Selected Areas in Commun. (JSAC) (first issue to be published in Dec. 2015)
Guest Editor, Special Issue on Emerging Technologies, IEEE J. Selected Areas in Commun. (JSAC) (published in April 2015)
Guest Editor, Special issue on Device-to-Device Communications in Cellular Networks, IEEE J. Selected Areas in Commun. (JSAC) (Part 1 published in Jan. 2015, and Part 2 to be published in 2015)
Guest Editor, Special Issue on Green Communication Networks, Computer Networks (published in July 2012)
Guest Editor, Special Issue on Green Radio Communications and Networks, IEEE Wireless Communication Magazine (published in Oct. 2011)
Advisor (2006-11), International Advisory Committee, National Institute of Information and Communication Technology (NICT), Japan;

Member, 
 1) IEEE Teaching Award Committee (2014-16), IEEE
 2) Nomination and Election Committee (2014-15), IEEE Communication Society
 3) Strategy Planning Committee (2014-15), IEEE Communication Society
 4) Globecom/ICC Technical Committee (2014-15), IEEE Communication Society
 5) Award Committee (2012-13), IEEE Communication Society
 6) ComSoc 2020 Ad-Hoc Committee (2010-11), IEEE Communication Society
 7) Strategy Planning Committee (2010-11), IEEE Communication Society
 8) Emerging Technology Committee (2010-11), IEEE Communication Society
 9) On-line Content Board (2010-11), IEEE Communication Society
 10) Fellow Nomination Committee (2013-14), IEICE Communication Society
 11) International Advisory Committee (2014-present), International Teletraffic Congress
 12) Steering Committee (2012-present), IEEE International Conference on Communications in China (ICCC)
 13) The Global Agenda Council on the Future of Telecommunications (2014-15), World Economic Forum

General Co-Chair:   
 1) International Conference on Computer Communications and Networks (ICCCN’15)
 2) IEEE Online Conference on Green Communications (OnlineGreenComm’14),
 3) International Conference on Communication Technologies (ICCT’11),

TPC Co-chair:
 1) IEEE Vehicular Technology Conference (VTC-spring, 2016)
 2) International Teletraffic Congress (ITC25, 2013)
 3) Wireless & Optical Communications Conference (WOCC’13)
 4) IEEE International Conference on Communications in China (ICCC’12)
 5) Wireless & Optical Communications Conference (WOCC’10)

Panel Co-chairs:
 1) ACM Mobihoc’15

Tutorial Co-chairs:
 1) IEEE Global Communications Conference (Globecom’12)

Publicity Co-chairs:
 1) IFIP Conference on Sustainable Internet and ICT for Sustainability (SustainIT’15)
 2) International Teletraffic Congress (ITC27, 2015)
 3) IEEE Wireless Communication and Networking Conference (WCNC’12)

 

Areas of Research Interests/ Research Projects

(1) Queueing Theory and Traffic Engineering

(2) Radio Resource Management of Wireless Networks

(3) Network Planning and Optimization

(4) Green Communication and Networking

 

 

Research Status

[1] “Software Defined Hyper Cellular Architecture for Green and Smart Service Provisioning in 5G Networks” (PI), Joint Project on 5G Network Architecture between Natural Science Foundation of China (NSFC) and Academy of Finland, RMB2,000,000 (2015.1-2017.12).

[2]  “Architectural Design and Implementation of the Hyper Cellular Networks for both Spectrum- and Energy-efficient Communications” (PI), Intel Collaborative Research Institute (ICRI) on Mobile Networking and Computing (MNC), USD450,000  (2013.7-2016.6)

[3] “Tsinghua-Hitachi Joint Lab on Environment-Harmonious ICT” (PI), Hitachi R&D Headquarter, RMB4,000,000 (2013.10-2016.10)

[4]  “Energy-Efficient Traffic Offloading Schemes in Self-Organizing Networks” (PI), Fujitsu Research & Development Center, RMB200,000 (2012.12-2013.3)

[5]  “Fundamental Research on the Energy and Resource Optimized Hyper-Cellular Mobile Communication Systems” (Chief Scientist and PI), National Basic Research Program of China (2012CB316000), RMB6,280,000 (2012.1-2016.12) (Project total RMB31,060,000)

 

 

Honors And Awards

IEEE Fellow (Class 2012 through IEEE Communication Society with the citation “for the contributions to collaborative radio resource management in wireless networks”)

IEICE Fellow (Class 2007 through IEICE Communication Society with the citation “for the contributions on network engineering and IEICE globalization”)

IEEE Distinguished Lecturer (2012-13, 2014-15), IEEE Communication Society

IEEE Distinguished Lecturer (2014-16), IEEE Vehicular Technology Society

Best Paper Award (2013), IEEE Communication Society Asia-Pacific Board, for the paper “Cell Zooming for Cost-Efficient Green Cellular Networks”, IEEE Commun. Mag., vol.48, no.11, pp.74-79, Nov., 2010 (Z. Niu, Y. Wu, J. Gong, Z. Yang)

Best Paper Award (2013), IEEE International Conference on Wireless Communications and Signal Processing (WCSP2013), for the paper “Recursive Geometric Water-filling for Wireless Links with Hybrid Energy System” (P. He, L. Zhao, S. Zhou, Z. Niu)

Best Student Paper Award (2013), International Teletraffic Congress (ITC25), for the paper “Optimal Wake-up Mechanism for Single Base Station with Sleep Mode” (X. Guo, S. Zhou, P. R. Kumar, Z. Niu)

Best Paper Award (2013), Asia-Pacific Conference on Communication (APCC2013), for the paper “Joint Optimization of Frequency Allocation and User Association with Differentiated Service in Hyper-cellular Networks” (S. Zhang, S. Zhou, Z. Niu)

Best Paper Award (2011), IEEE International Conference on Communication Technologies (ICCT2011), for the paper “A Traffic-Aware Dynamic Energy-Saving Scheme for Cellular Networks with Heterogeneous Traffic” (J. Wu, Z. Yang, S. Zhou, Z. Niu)

 

 

Academic Achievement

Journal Papers(2011-2016):

[1] Sheng Zhou, Tao Zhao, Zhisheng Niu, and Shidong Zhou, ‘‘Software-defined hyper-cellular architecture for green and elastic wireless access,” IEEE Commun. Mag., Vol.54, No.1, pp12-19, Jan. 2016
[2] Jian Wu, Yanan Bao, Guowang Miao, Sheng Zhou, and Zhisheng Niu, ‘‘Base-station sleeping control and power matching for energy-delay tradeoffs with bursty traffic,”, IEEE Trans. Vehicular Tech., Vol.65, No.5, pp3657-3675, May 2016
[3] Shan Zhang, Ning Zhang, Sheng Zhou, Jie Gong, Zhisheng Niu, and Sherman Shen, “Energy-Aware Traffic Offloading for Green Heterogeneous Networks,” IEEE J. Selected Areas Commun., Vol.34, No.5, pp1116-1129, May 2016
[4] Xueying Guo, Zhisheng Niu, Sheng Zhou, and P. R. Kumar, “Delay-Constraint Energy-Optimal Base Station Sleeping Control,” IEEE J. Selected Areas Commun., Vol.34, No.5, pp1073-1085, May 2016
[5] Zhisheng Niu, “Accelerating the emergence of emerging technologies”, IEEE Commun. Mag., Vol. 53, No. 12, pp10-11, Dec. 2015
[6] Jingchu Liu, Shugong Xu, Sheng Zhou, and Zhisheng Niu, ‘‘Redesigning fronthaul for next-generation networks: beyond baseband samples and point-to-point links,” IEEE Wireless Communications., Vol. 22, No. 5, pp 90-97, Oct. 2015.
[7] Shan Zhang, Jie Gong, Sheng Zhou, and Zhisheng Niu, “How Many Small Cells Can Be Turned off via Vertical Offloading under a Separation Architecture?” IEEE Trans. Wireless Commun., vol.14, No.10, pp. 5440-5453, Oct. 2015.
[8] Peter He, Lian Zhao, Sheng Zhou and Zhisheng Niu, “Optimal Recursive Power Allocation for Energy harvesting System with Multiple Antennas”, IEEE Trans. Vehicular Tech, vol. 64, no. 10, pp. 4525-4536, Oct. 2015.
[9] Sheng Zhou, Dongheon Lee, Bingjie Leng, Xuan Zhou, Honggang Zhang, and Zhisheng Niu, “Spatial Modeling of Base Station Patterns and Traffic Density in Cellular Networks,” IEEE Access, 2015, 3:998-1010.
[10] Congshi Hu, Jie Gong, Xiaolei Wang, Sheng Zhou, and Zhisheng Niu, “Optimal Green Energy Utilization in MIMO Systems with Hybrid Energy Supplies,” IEEE Trans. Vehicular Tech, vol. 64, no. 8, pp. 3675-3688, Aug. 2015.
[11] Zhiyuan Jiang, Sheng Zhou, and Zhisheng Niu, “Optimal Antenna Cluster Size in Cell-Free Distributed Large-Scale Antenna Systems with Imperfect CSI and Inter-Cluster Interference,” IEEE Trans. Vehicular Tech, vol. 64, no. 7, pp. 2834-2845, Jul. 2015.
[12] Zhiyuan Jiang, Andreas F. Molisch, Giuseppe Caire, and Zhisheng Niu, “Achievable rates of FDD massive MIMO with spatial channel correlation,” IEEE Trans. Wireless Communications, vol. 14, no. 5, pp. 2868-2882, May 2015.
[13] Zhisheng Niu, Xueying Guo, Sheng Zhou, and P. R. Kumar, “Characterizing Energy-Delay Tradeoff in Hyper-Cellular Networks with Base Station Sleeping Control,” IEEE J. Selected Areas Commun., vol. 33, no. 4, pp. 641-650, Apr. 2015.
[14] Sheng Zhou, Jie Gong, Zhenyu Zhou, Wei Chen, and Zhisheng Niu, “GreenDelivery: Proactive Content Caching and Push with Energy Harvesting based Small Cells,” IEEE Commun. Magazine, vol. 53, no. 4, pp. 142-149, Apr. 2015.
[15] Sheng Zhou, Tingjun Chen, Wei Chen, and Zhisheng Niu, “Outage Minimization for a Fading Wireless Link with Energy Harvesting Transmitter and Receiver, IEEE J. Selected Areas Commun. vol. 33, no. 3, pp. 496-511, Mar. 2015.
[16] Xiaolei Wang, Jie Gong, Congshi Hu, Sheng Zhou and Zhisheng Niu, “Optimal power allocation on discrete energy harvesting model,” EURASIP Journal on Wireless Communications and Networking, vol. 48, no. 3, pp. 1-14, Mar. 2015.
[17] Dongheon Lee, Sheng Zhou, Zhisheng Niu, Xuan Zhou and Honggang Zhang, “Spatial Modeling of Traffic Density in Cellular Networks”, IEEE Wireless Commun., Vol.21 No.1, pp.80-88, Feb. 2014.
[18] Peter He, Lian Zhao, Sheng Zhou, and Zhisheng Niu, "Recursive Waterfilling for Wireless Links With Energy Harvesting Transmitters," IEEE Vehicular Technology, vol. 63, no. 3, pp. 1232-1241, Mar. 2014.
[19] Lu Liu, Xianghui Cao, Yu Cheng, and Zhisheng Niu, “Energy Efficient Sleep Scheduling for VoIP over WLANs”, IEEE Trans. Vehicular Tech., Vol. 63, No. 5, pp. 2048-2058, Jun. 2014.
[20] Jie Gong, John Thompson, Sheng Zhou, and Zhisheng Niu, “Base Station Sleeping and Resource Allocation in Renewable Energy Powered Cellular Networks,” IEEE Trans. Communications, vol. 62, no. 11, pp. 3801-3813, Nov. 2014.
[21] Shan Zhang, Yiqun Wu, Sheng Zhou, and Zhisheng Niu, “Traffic-Aware Network Planning and Green Operation with BS Sleeping and Cell Zooming”, IEICE Trans. Commun, Vol.E97-B, NO.11, PP. 2337-2346, November 2014.
[22] Xuan Zhou, Zhifeng Zhao, Rongpeng LI, Yifan Zhou, Tao Chen, Zhisheng Niu and Honggang Zhang, “Toward 5G: When Explosive Bursts Meet Soft Cloud”, IEEE Network, pp.12-17, Nov./Dec., 2014.
[23] Zhiyuan Jiang, Sheng Zhou, and Zhisheng Niu, “Dynamic Channel Acquisition in MU‐MIMO,” IEEE Trans. Communications, vol. 62, no. 12, pp. 4336-4348, Dec. 2014.
[24] Jingchu Liu, Tao Zhao, Sheng Zhou, Yu Cheng, Zhisheng Niu, “CONCERT: A Cloud-Based Architecture for Next-generation Cellular Systems,” IEEE Wireless Commun, vol. 21, no. 6, pp. 14-22, Dec. 2014.
[25] Zheng Chang, Tapani Ristaniemi, Zhisheng Niu, “Radio Resource Allocation for Collaborative OFDMA Relay Networks with Imperfect Channel State Information”, IEEE Trans. Wireless Commun. (TWC), Vol.13, No. 5, pp 2824-2835, May 2014
[26] 牛志升、龚杰、周盛,“能效与资源优化的超蜂窝移动通信系统基础研究”,电信科学,2014年第12期,pp 34-47,2014
[27] Khalid Abdel Hafeez, Lian Zhao, Jon W. Mark, Xuemin (Sherman) Shen, and Zhisheng Niu, “Distributed Multichannel and Mobility-Aware Cluster-Based MAC Protocol for Vehicular Ad Hoc Networks”, IEEE Trans. Vehi. Tech., Vol.62 No.8, pp.3886-3902, Oct. 2013 
[28] Zexi Yang and Zhisheng Niu, “Energy Saving in Cellular Networks by Dynamic RS-BS Association and BS Switching”, IEEE Trans. Vehicular Tech, Vol.62 No.9, pp.4602-4614, Nov. 2013.
[29] Dongxu Cao, Sheng Zhou, and Zhisheng Niu, “Optimal combination of base station densities for energy-efficient two-tier heterogeneous cellular networks”, IEEE Trans. Wireless Communications, Vol.12 No.9, pp.4350-4362, Sep. 2013.
[30] Sheng Zhou, Zhisheng Niu, Shiro Tanabe, and Peng Yang, “CHORUS: Framework for Scalable Collaboration in Heterogeneous Networks with Cognitive Synergy”, IEEE Wireless Communications, Vol.20 No.4, pp.133-139, Aug. 2013.
[31] Jian Wu, Sheng Zhou, and Zhisheng Niu, “Traffic-aware base station sleeping control and power matching for energy-delay tradeoffs in green cellular networks”, IEEE Trans. Wireless Communications, Vol.12 No.8, pp.4196-4209, Aug. 2013.
[32] Dongxu Cao, Sheng Zhou, and Zhisheng Niu, “Improving the Energy Efficiency of Two-tier Heterogeneous Cellular Networks through Partial Spectrum Reuse”, IEEE Trans. Wireless Communications, Vol.12 No.8, pp.4129-4141, Aug. 2013。
[33] Peter He, Lian Zhao, Sheng Zhou, Zhisheng Niu, “Water-filling: A Geometric Approach and Its Application to Solve Generalized Radio Resource Allocation Problems”, IEEE Trans. Wireless Commun., Vol.12 No.7, pp.3637-3647, Jul. 2013 
[34] Jie Gong, Sheng Zhou, and Zhisheng Niu, “Optimal Power Allocation for Energy Harvesting and Power Grid Coexisting Wireless Communication Systems”, IEEE Trans. Communications, Vol.61, No.7, pp.3040-3049, Jul. 2013
[35] Sheng Zhou, Jie Xu, and Zhisheng Niu, “Interference-Aware Relay Selection Scheme for Two-Hop Relay Networks with Multiple Source-Destination Pairs”, IEEE Trans. Vehicular Tech. vol. 62, no. 5, pp. 2327-2338, Jun. 2013.
[36] Zexi Yang, Zhisheng Niu, "Load Balancing by Dynamic Base Station Relay Station Associations in Cellular Networks", IEEE Wireless Communications Letter, Vol.2 No.2, pp.155-158, Feb. 2013.
[37] Jie Gong, Sheng Zhou, Lu Geng, Meng Zheng, and Zhisheng Niu, “A Novel Precoding Scheme for Dynamic Base Station Cooperation with Overlapped Clusters”, IEICE Trans. Communications, vol. E96-B, no. 02, pp.656-659, Feb. 2013.
[38] Jie Gong, Sheng Zhou, Buon Kiong Lau, and Zhisheng Niu, "On Precoding for Overlapped Clustering in a Measured Urban Macrocellular Environment", SCIENCE CHINA Information Sciences, Vol. 56, No. 2, pp. 29-38, Feb. 2013.
[39] Jie Gong, Sheng Zhou, Zhisheng Niu, “A Dynamic Programming Approach for Base Station Sleeping in Cellular Networks,” IEICE Trans. Communications. pp 551-562, Vol. E95-B, No. 2, Feb., 2012 
[40] Zhisheng Niu, Sheng Zhou, Yao Hua, Qian Zhang, Dongxu Cao, “Energy-aware network planning for wireless cellular systems with inter-cell cooperation,”  IEEE Trans. Wireless Communications. Vol.11, No. 4, pp1412-1423, Apr.,2012
[41] Zexi Yang, Qian Zhang, and Zhisheng Niu, “Throughput Improvement by Joint Relay Selection and Link Scheduling in Relay-Assisted Cellular Networks”, IEEE Transactions on Vehicular Technology. Vol.61, No.6, pp2824-2835, July, 2012 
[42] 牛志升,周盛,周世东,钟晓峰,王京,“能效与资源优化的超蜂窝移动通信系统新架构及其技术挑战,” 中国科学:信息科学, pp. 1191-1203, Vol. 42, No. 10, Oct. 2012. 
[43] 周盛,龚杰,王晓磊,牛志升,“动态能量获取下无线通信的能量管理与资源优化,” 中国科学:信息科学, pp.1217-1230, Vol. 42, No. 10, Oct. 2012.
[44] Sheng Zhou, Jie Gong, Zhisheng Niu,“Distributed Adaptation of Quantized Feedback for Downlink Network MIMO Systems”, IEEE Trans. Wireless Communications,Vol.10, pp. 61-67, Jan. 2011.
[45] Eunsung Oh, Bhaskar Krishnamachari, Xin Liu, and Zhisheng Niu, “Toward Dynamic Energy-Efficient Operation of Cellular Network Infrastructure”, IEEE Commun. Mag., pp. 56-61, Jun. 2011
[46] Zhisheng Niu,” TANGO: Traffic-Aware Network Planning and Green Operation,” IEEE Wireless Commun. Mag., pp.25-29, Oct. 2011

Patants

(1) US Patent #5583860; Akinori Iwakawa, Zhisheng Niu, Shunji, Abe; Communication Network Independent Designing System and Managing Method. [12/10/1996]
(2) U.S. Patent #7289472; Yano Masashi, Deng Hui, Wang Lan, Niu Zhisheng; Handoff Method of Wireless Local Area Network (LAN). [10/30/2007]
a) (Also granted as Chinese Patent # ZL03145739.8 [6/28/2006])
(3) U.S. Patent #6961327; Zhisheng Niu; TCP Aware Local Retransmission Scheme for Unreliable Transmission Network. [11/1/2005]
a) (Also granted as Chinese Patent # ZL00123517.6 [5/4/2005])
(4) U.S. Patent #7069490; Zhisheng Niu, Jing Zhu; Method for Retransmission of Lost Packet in Fading Channels. [6/27/2006]
a) (Also granted as Chinese Patent # ZL00130335.X [4/14/2004]
(5) European Patent #1395001; Onwuka E.N., Zhisheng Niu, Yano Masashi, Tanabe Shiro; Hierarchical Mobile Packet Communication Network and Method of Communication. [1/31/2007].
(6) Chinese Patent #ZL03145741.X; Hui Deng, Zhisheng Niu Kai Zhang, Shiro Tanabe, Xiaolong Huang; Mobile IPv6 Network Having Multiple Home. [4/18/2007]
(7) Chinese Patent #ZL03145740.1; Nie Yaling, Masashi Yano, Masahiro Ojima, Niu Zhisheng; Seamless Handover Method for Mobile IPv6 Home Agent. [11/11/2009]
(8) Chinese Patent # CN1671124B; Shiro Tanabe, Hiroki Ikeda, Yuanchen Ma, Niu Zhisheng, Jing Liu, Wen Du;Communication Terminal Device, Telephone Data Receiving Method, Communication Systems and Gateway [10/19/2011]
(9) Chinese Patent # ZL2004 1 0068586.1; Lei Li, Zhisheng Niu, Takashi Yano, Shiro Tanabe, Satoshi Tamaki; Method for Allocating Subchannel in Wireless Network [6/8/2011]
a) (Also granted as Japanese Patent # 4718269 [4/8/2011]
b) (Also granted as U.S. Patent # 7889758 [2/15/2011]
(10) 日本专利号4945333;桑原干夫,早濑茂规,张凯;无线系统、基站装置及终端装置日本专利 [3/9/2012]
(11) Chinese Patent #ZL2008 1 0169246.6; Zhisheng Niu,Li Gu, Jiping Lv, Yoshiuchi Hiyeda; An NAK-based Hierarchical ARQ Scheme for Reliable Multicast in Integrated Communication and Broadcast Networks [6/27/2012]