Joint management of radio and transport resources

A technology of radio resources and transmission resources, applied in the field of wireless communication network, can solve the problems of incomplete utilization and low efficiency of transmission network 20, etc.

Active Publication Date: 2013-11-20
TELEFON AB LM ERICSSON (PUBL)
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Problems solved by technology

A statically scaled transmission network 20 is not very efficient because a

Method used

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  • Joint management of radio and transport resources
  • Joint management of radio and transport resources
  • Joint management of radio and transport resources

Examples

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Embodiment Construction

[0048] Refer to above Figure 1B As mentioned, a statically scaled transmission network 20 may not be very efficient because at any given time there may be excess capacity in the transmission network that may not be fully utilized. This may not be a serious problem if the radio network traffic is moderate and the transport network has sufficient capacity to support it. However, recent radio access network architectures are tending to incorporate some signal processing functionality in a central unit (CU) 40 separate from the radio transceivers of the cell sites. Central unit 40 may be implemented, for example, at a gateway or elsewhere within core network 18 . This can lead to a dramatic increase in the traffic carried by the transport network 20 which will need to carry (digitized) radio I-Q samples from the central location of the base station 12 where the signal processing takes place. Capacity requirements can be up to two orders of magnitude greater than conventional ne...

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Abstract

A system for managing radio access resources includes a joint radio resource management/transport resource management unit configured to communicate with a plurality of radio units over a transport network, to jointly allocate radio resources at the radio unit and transport resources on the transport network in response to requests from wireless terminals requesting access to radio resources from the radio units, to send a radio resource allocation schedule to the plurality of radio units that defines radio resource allocations for the wireless terminals, and to generate a transport resource allocation schedule that defines transport resource allocations for the wireless terminals. The system further includes a transport resource controller configured to receive the transport resource allocation schedule and to map user data to physical transport resources on the transport network in response to the transport resource allocation schedule.

Description

technical field [0001] The present invention relates to wireless communication networks, and in particular, the present invention relates to communication networks utilizing radio resources and transmission resources. Background technique [0002] In a typical cellular radio system, wireless terminals (also referred to as mobile stations and / or user equipment units (UEs)) communicate via a radio access network (RAN) with one or more core networks. A user equipment unit (UE) may be, for example, a mobile telephone ("cellular" telephone), a desktop computer, a laptop computer, a tablet computer and / or any other wireless communication capability with a radio access network to communicate voice and / or data device. [0003] A radio access network covers a geographical area divided into cell areas, each served by a base station such as a Radio Base Station (RBS), also referred to in some networks as a "NodeB" or (in Long Term Evolution) an eNodeB. A cell is a geographical area w...

Claims

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Application Information

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IPC IPC(8): H04W28/16
CPCH04W92/12H04W72/04H04W28/16
Inventor 桂建卿王晟骅郑荣富D·许
Owner TELEFON AB LM ERICSSON (PUBL)
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