Dynamic Channel Model and Performance Analysis for LTE-Hi

Long term evolution-hotspot and indoor (LTE-Hi), focused on the small cell enhancement, has been discussed by the 3rd generation partnership project (3GPP). Although the network coverage of indoor environment significantly outperforms the field, the propagation characteristics of indoor are more complex because of the severe penetration loss caused by the walls. In this paper, a novel dynamic channel model is proposed, which jointly investigates the impact of penetration loss, shadow fading and fast fading in an indoor topology. Meanwhile, a new path loss model is presented based on measurement results. Link level simulations are compared with equipment tests, and the results indicate that the proposed channel model allows a precise evaluation of the indoor environment. Furthermore, as a key technology of LTE-Hi, the higher order modulation, i.e., 256QAM, is analyzed in the proposed indoor model.

[1]  Xiongwen Zhao,et al.  WINNER II Channel Models Part I Channel Models , 2022 .

[2]  Pekka Kyösti,et al.  Evaluation of beam forming and multi antenna techniques in non-stationary propagation scenarios with HW emulator , 2012, 2012 International ITG Workshop on Smart Antennas (WSA).

[3]  Shaohui Sun,et al.  LTE-HI: A new solution to future wireless mobile broadband challenges and requirements , 2014, IEEE Wireless Communications.

[4]  Ahmed S. Ibrahim,et al.  Link level performance evaluation of higher order modulation in Small Cells , 2014, 2014 International Wireless Communications and Mobile Computing Conference (IWCMC).

[5]  Jianhua Zhang,et al.  Propagation characteristics in indoor office scenario at 3.5 GHz , 2013, 2013 8th International Conference on Communications and Networking in China (CHINACOM).

[6]  Ahmed S. Ibrahim,et al.  Capacity improvement via indoor small cells , 2014, 2014 International Wireless Communications and Mobile Computing Conference (IWCMC).

[7]  Qiang Sun,et al.  Coexistence studies between LTE-Hotspot Indoor and earth station of fixed satellite service in the band 3400–3600MHz , 2012, 2012 IEEE 11th International Conference on Signal Processing.

[8]  Jae Joon Park,et al.  Multipath channel parameters based on indoor hotspot channel measurements at 3.7GHz , 2011, 13th International Conference on Advanced Communication Technology (ICACT2011).

[9]  Xiongwen Zhao,et al.  Empirical Models and Parameters for Rural and Indoor Wideband Radio Channels At 2.45 and 5.25 GHZ , 2005, 2005 IEEE 16th International Symposium on Personal, Indoor and Mobile Radio Communications.