TY - GEN
T1 - Enhancing uplink throughput via local base station cooperation
AU - Simeone, O.
AU - Somekh, O.
AU - Kramer, G.
AU - Shamai, S.
PY - 2008
Y1 - 2008
N2 - Joint decoding at the base stations of a cellular wireless network enables inter-cell interference mitigation, thus enhancing the system throughput. However, deployment of joint multicell decoding depends critically on the availability of backhaul links connecting the base stations to a central processor. This work studies a scenario in which finite-capacity unidirectional backhaul links exist only between base stations belonging to adjacent cells. Relying on a linearWyner-type cellular model with no fading, achievable rates are derived for the two scenarios in which the base stations are endowed only with the codebooks of local (in-cell) mobile stations, or also with the codebooks used in adjacent cells. The analysis sheds light on the impact of codebook information, decoding delay and network planning (frequency reuse), on the performance of multicell processing as enabled by local and finite-capacity backhaul links. Analysis in the high-SNR regime and numerical results validate the main conclusions.
AB - Joint decoding at the base stations of a cellular wireless network enables inter-cell interference mitigation, thus enhancing the system throughput. However, deployment of joint multicell decoding depends critically on the availability of backhaul links connecting the base stations to a central processor. This work studies a scenario in which finite-capacity unidirectional backhaul links exist only between base stations belonging to adjacent cells. Relying on a linearWyner-type cellular model with no fading, achievable rates are derived for the two scenarios in which the base stations are endowed only with the codebooks of local (in-cell) mobile stations, or also with the codebooks used in adjacent cells. The analysis sheds light on the impact of codebook information, decoding delay and network planning (frequency reuse), on the performance of multicell processing as enabled by local and finite-capacity backhaul links. Analysis in the high-SNR regime and numerical results validate the main conclusions.
UR - http://www.scopus.com/inward/record.url?scp=70349685104&partnerID=8YFLogxK
U2 - 10.1109/ACSSC.2008.5074374
DO - 10.1109/ACSSC.2008.5074374
M3 - Conference contribution
AN - SCOPUS:70349685104
SN - 9781424429417
T3 - Conference Record - Asilomar Conference on Signals, Systems and Computers
SP - 116
EP - 120
BT - 2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008
T2 - 2008 42nd Asilomar Conference on Signals, Systems and Computers, ASILOMAR 2008
Y2 - 26 October 2008 through 29 October 2008
ER -