Junren Chang
Huawei
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Publication
Featured researches published by Junren Chang.
international conference on communications | 2009
Junren Chang; Yajuan Li; Shulan Feng; Haiguang Wang; Chengzhen Sun; Philipp Zhang
Mobility enhancement and carrier aggregation are important aspects to investigate as part of the LTE-Advanced study. Hard handover is the only handover scheme in LTE Rel-8. Generally, hard handover is fairly simple, but its outage probability is high and the handover procedure may be unreliable, especially for VoIP service. In this paper, we propose a fractional soft handover scheme based on the carrier aggregation. The main idea is to partially perform soft handover for VoIP, but non-VoIP service is only transmitted from source eNodeB or target eNodeB. The theoretical analysis and simulation results show that the proposed fractional soft handover scheme not only attains the lowest handover outage probability, but also improve the reliability of VoIP service.
Archive | 2014
Junren Chang; Yajuan Li; Weiwei Song; Liangliang Zhang; Wei Quan; Zhongbin Qin; Jian Zhang
Archive | 2012
Junren Chang; Yajuan Li; Shulan Feng; Yinghui Yu; Yuhua Chen; Li Chai
Archive | 2011
Yi Jiang; Zhongbin Qin; Yinghui Yu; Junren Chang; Mingzeng Dai; Guanglin Han; Wei Quan; Jian Zhang; Qiao Zhang; Yajuan Li; Boyun Xie; Yi Guo; Pingping Xing
Archive | 2011
Yi Jiang; Zhongbin Tan; Yinghui Yu; Junren Chang; Mingzeng Dai; Guanglin Han; Wei Quan; Jian Zhang; Qiao Zhang; Yajuan Li; Boyun Xie; Yi Guo; Pingping Xing
Archive | 2009
Tingcui Lin; Chaoyang Zhang; Yajuan Li; Junren Chang; Yunbao Zeng; Shulan Feng
Archive | 2014
Wei Quan; Yuhua Chen; Jian Zhang; Junren Chang
Archive | 2009
Junren Chang; Yajuan Li; Shulan Feng
Archive | 2014
Junren Chang; Yuhua Chen; Qufang Huang; Wei Quan
Archive | 2013
Yuhua Chen; Qinghai Zeng; Junren Chang; Jian Zhang; Guanglin Han