Joint management of radio and transport resources

A technology of radio resources and transmission resources, which is applied in the field of wireless communication networks, and can solve problems such as low efficiency and incomplete utilization of the transmission network 20

Active Publication Date: 2018-01-12
TELEFON AB LM ERICSSON (PUBL)
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

A statically scaled transmission network 20 is not very efficient because at any given time there may be excess capacity that may not be fully utilized

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

Experimental program
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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 comprising a joint radio resource management / transport resource management unit configured to communicate with a plurality of radio units over a transport network in response to a request from a wireless terminal to access radio resources from a radio unit request, jointly allocate radio resources at the radio unit and transmission resources at the transport network, send a radio resource allocation schedule defining the radio resource allocation for the wireless terminal to multiple radio units, and generate a transmission defining the radio resource for the wireless terminal Transmission resource allocation scheduling for resource allocation. The system also includes a transmission resource controller configured to receive the transmission resource allocation schedule and, responsive to the transmission resource allocation schedule, map user data to physical transmission resources on the transmission network.

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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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/16
CPCH04W28/16H04W72/04H04W92/12
Inventor 桂建卿王晟骅郑荣富D·许
Owner TELEFON AB LM ERICSSON (PUBL)
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