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Topic

NodeB

About: NodeB is a research topic. Over the lifetime, 888 publications have been published within this topic receiving 7634 citations.


Papers
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Journal ArticleDOI
TL;DR: The market and technological perspectives for SONs are introduced and a self-booting mechanism for a newly added evolved NodeB without a dedicated backhaul interface is illustrated, and mobility load balancing as one of the most important selfoptimization issues for Long Term Evolution networks is discussed.
Abstract: With the rapid growth of mobile communications, deployment and maintenance of cellular mobile networks are becoming more and more complex, time consuming, and expensive. In order to meet the requirements of network operators and service providers, the telecommunication industry and international standardization bodies have recently paid intensive attention to the research and development of self-organizing networks. In this article we first introduce both the market and technological perspectives for SONs. Then we focus on the self-configuration procedure and illustrate a self-booting mechanism for a newly added evolved NodeB without a dedicated backhaul interface. Finally, mobility load balancing as one of the most important selfoptimization issues for Long Term Evolution networks is discussed, and a distributed MLB algorithm with low handover cost is proposed and evaluated.

226 citations

Patent
19 Aug 2011
TL;DR: In this paper, an optimized intra-HeNB GW handover operation that reduces signaling to and from an LTE MME (Mobility Management Entity) function of the 3GPP E-UTRAN Evolved Packet core is proposed.
Abstract: A method to provide an optimized intra-HeNB GW handover operation that reduces signaling to and from an LTE MME (Mobility Management Entity) function of the 3GPP E-UTRAN Evolved Packet core (EPC). In operation, an HeNB Gateway (GW) intercepts handover requests from a source HeNB to a target HeNB and processes these requests locally, with minimal interaction from the MME. Where possible, messaging to and from the MME is minimized and/or reduced, irrespective of the 3GPP requirement that the GW relay all handover-related messages to the MME.

171 citations

Patent
04 Feb 2010
TL;DR: In this paper, the authors propose a method in which in case where it is inappropriate for a particular Home (e)NodeB providing a service to a particular UE to continue to provide the service on the ground of a changed status, such as overload, temporary drop due to maintenance, expiry of CSG membership for the UE, increase of temporary interference, policy change, or the like, the Home NodeB transmits information on a cause that the UE performs a handover to another base station to an control entity within a network.
Abstract: Disclosed is a method in which in case where it is inappropriate for a particular Home (e)NodeB providing a service to a particular UE to continue to provide the service on the ground of a changed status, such as overload, temporary drop due to maintenance, expiry of CSG membership for the UE, increase of temporary interference, policy change, or the like, the Home (e)NodeB transmits information on a cause that the UE performs a handover to another base station to an control entity within a network. Furthermore, it is allowed for the entity within the network to store information on the cause. In addition, if the status of the particular Home (e)NodeB is changed, then the entity within the network is allowed to perform a reverse handover for the UE to the particular Home (e)NodeB on the basis of the information on the changed status and the information on the cause.

168 citations

Patent
Xintai Wang1
11 Aug 2010
TL;DR: In this paper, a method, a system and an evolved NodeB (eNB) apparatus for implementing inter-eNB switch are disclosed, which can effectively solve the problem of uplink data packet loss due to the time difference existing between the update to the Tunnel Endpoint Identifier (TEID) and the routing table by the eNB when inter-NB switch is performed via X2 and the S-GW has changed, thus enhancing the user experience during the switch.
Abstract: A method, a system and an evolved NodeB (eNB) apparatus for implementing inter-eNB switch are disclosed in the present invention. The method includes: when a user equipment switches from a source-side eNB to a target-side eNB, if the target-side eNB acquires via the Mobility Management Entity (MME) that the Serving Gateway (S-GW) has changed, the target-side eNB adds the new route relation of the S-GW and then updates the General Packet Radio Service (GPRS) Tunnelling Protocol User Plane (GTP-U) entity. The present invention can effectively solve the problem of the uplink data packet loss due to the time difference existing between the update to the Tunnel Endpoint Identifier (TEID) and the routing table by the eNB when inter-eNB switch is performed via X2 and the S-GW has changed, thus enhancing the user experience during the switch.

166 citations

Patent
Aleksandar Damnjanovic1
16 Apr 2009
Abstract: A method for inter-cell interference coordination (ICIC) by a home evolved NodeB (HeNB) is described. A portion of bandwidth is reserved for a user equipment (UE). Notification of the reserved portion of bandwidth is sent to at least one potentially interfering evolved NodeB (eNB). A data exchange is performed with the UE using the reserved portion of bandwidth. Notification is sent to the potentially interfering eNBs releasing the reserved portion of bandwidth.

149 citations

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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20216
202028
201919
201853
201739
201629