LTE中RRC重建立被拒绝

如题。
在LTE中，出现一次RRC重建立请求就可以定义为一次掉话，但是有时候出现RRC重建立请求后，重建立却没有成功，被拒绝，被拒绝的原因都有哪些

首先你看看上下行干扰，如果重建很多，就说明网络质量不是很好，当然重建基本也就不会成功了

1>  set the reestablishmentCause as follows:
2>  if the re-establishment procedure was initiated due to reconfiguration failure as specified in 5.3.5.5 (the UE is unable to comply with the reconfiguration):
3>  set the reestablishmentCause to the value reconfigurationFailure;
2>  else if the re-establishment procedure was initiated due to handover failure as specified in 5.3.5.6 (intra-LTE handover failure) or 5.4.3.5 (inter-RAT mobility from EUTRA failure):
3>  set the reestablishmentCause to the value handoverFailure;
2>  else:
3>  set the reestablishmentCause to the value otherFailure;