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Method and device for realizing spectrum coordination between tdd system and fdd system

A spectrum and system occupancy technology, applied in the field of spectrum coordination, can solve problems such as no technical solutions and complex implementations, and achieve the effect of providing spectrum utilization and improving system throughput

Active Publication Date: 2011-12-28
ZTE CORP
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AI Technical Summary

Problems solved by technology

This requirement has high requirements on base stations and terminals, and it is even possible to add new network elements to the existing network structure, which will be more complicated to implement
At present, the cognitive radio technology is still in the research stage, and there is no feasible technical solution

Method used

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  • Method and device for realizing spectrum coordination between tdd system and fdd system
  • Method and device for realizing spectrum coordination between tdd system and fdd system
  • Method and device for realizing spectrum coordination between tdd system and fdd system

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Embodiment Construction

[0029] figure 1 It is a flow chart of the method for realizing spectrum coordination between the TDD system and the FDD system of the present invention, such as figure 1 shown, including the following steps:

[0030] Step 100: Obtain resource allocation results and user information to be scheduled for the TDD system and the FDD system.

[0031] In the present invention, the FDD system and the TDD system are in a set of equipment, that is, the TDD system and the FDD system share a site. Specifically, the TDD system and the FDD system coexist in one base station.

[0032] In this step, according to the existing technology, in each scheduling period, the TDD system and the FDD system respectively prioritize their respective users and perform resource allocation in advance, so as to obtain the resource allocation results of the TDD system and the FDD system and the users to be scheduled information.

[0033] Step 101: Counting the required uplink bandwidth of the TDD system and...

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Abstract

A method and device for realizing frequency spectrum coordination between Time Division Duplexing (TDD) system and Frequency Division Duplexing (FDD) system, which include that: obtaining resource assignment result and user information to be scheduled of the TDD system and the FDD system (100), accounting the needed uplink bandwidth of the TDD system and the useable uplink bandwidth of the FDD system (101); based on the accounted result, realizing that the TDD system transmits upwardly on the uplink resource of the FDD system (102). By the method of the present invention, when the uplink bandwidth of the FDD system is residual and the uplink bandwidth of the TDD system is lacking, the TDD system can transmit upwardly on the uplink frequency band of the FDD system, the flexible assignment of the frequency spectrum between the TDD system and the FDD system is realized, the utilization ratio of the frequency spectrum and the throughput of the system are improved.

Description

technical field [0001] The present invention relates to spectrum resource utilization technology, in particular to a method and device for realizing spectrum coordination between (TDD, Time Division Duplexing) system and (FDD, Frequency Division Duplexing) system. Background technique [0002] Spectrum resource is the basic medium of communication, and the limitation of spectrum makes people want to maximize the utilization of spectrum. [0003] The development of different wireless access technologies is also to improve spectrum utilization. However, there is almost no spectrum and load switching between various wireless access technologies in the existing communication network, that is, there is almost no cooperative operation between different wireless access technologies. This makes the use of spectrum relatively fixed and inflexible, reducing the spectrum Utilization rate usually occurs: the spectrum load of some radio access technology is relatively light, while the s...

Claims

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Application Information

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IPC IPC(8): H04W16/10H04W72/12
CPCH04W16/14
Inventor 李岩田开波赵楠李峰
Owner ZTE CORP
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