TY - GEN
T1 - Handover optimisation for co-channel WCDMA heterogeneous networks
AU - Razavi, R.
AU - Androne, C.
AU - Claussen, H.
PY - 2012
Y1 - 2012
N2 - This paper investigates a handover problem occurring with current power control mechanisms in co-channel WCDMA heterogeneous networks. The problem is associated to the mismatch between the required uplink transmit power when a user is communicating to a small cell and an underlying microcellular base-station. As a result, there is a need for significant increases of users' transmit power when handing off from small cell to the macrocell tier. This sudden increase of the transmit power results in increased uplink interference and major SINR drops for existing small cell users. This paper introduces a realistic and efficient solution to adapt the transmit power of the small cell users during the handover regime to prevent such SINR drops. Simulation results confirm significant performance improvement when using the proposed scheme.
AB - This paper investigates a handover problem occurring with current power control mechanisms in co-channel WCDMA heterogeneous networks. The problem is associated to the mismatch between the required uplink transmit power when a user is communicating to a small cell and an underlying microcellular base-station. As a result, there is a need for significant increases of users' transmit power when handing off from small cell to the macrocell tier. This sudden increase of the transmit power results in increased uplink interference and major SINR drops for existing small cell users. This paper introduces a realistic and efficient solution to adapt the transmit power of the small cell users during the handover regime to prevent such SINR drops. Simulation results confirm significant performance improvement when using the proposed scheme.
KW - Co-Channel Operation
KW - Femtocells
KW - Handover Optimisation
KW - Heterogeneous Networks
KW - Small Cells
KW - Uplink Power Control
KW - WCDMA
UR - https://www.scopus.com/pages/publications/84871986139
U2 - 10.1109/PIMRC.2012.6362913
DO - 10.1109/PIMRC.2012.6362913
M3 - Conference proceeding
AN - SCOPUS:84871986139
SN - 9781467325691
T3 - IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
SP - 905
EP - 909
BT - 2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2012
T2 - 2012 IEEE 23rd International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2012
Y2 - 9 September 2012 through 12 September 2012
ER -