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Multicarrier-based communication compensation method and system

A compensation method and compensation system technology, applied in wireless communication, sustainable communication technology, advanced technology, etc., can solve problems such as affecting user experience, user dropped calls, and impact, and achieve the effect of solving user experience degradation

Active Publication Date: 2015-01-28
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the energy-saving base station closes the carrier before obtaining compensation, it will cause the original user to drop the call and affect the user experience; on the contrary, if the compensation base station compensates the energy-saving base station in advance, the downlink interference received by the user will be greatly increased, which will also cause Consequences affecting user experience such as dropped calls

Method used

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  • Multicarrier-based communication compensation method and system
  • Multicarrier-based communication compensation method and system
  • Multicarrier-based communication compensation method and system

Examples

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Embodiment 1

[0045] image 3 It is a preferred flowchart of a multi-carrier-based communication compensation method according to an embodiment of the present invention, which includes the following steps:

[0046] S302. The first base station to which the compensation cell belongs sends a relay carrier set to the second base station to which the energy-saving cell belongs; wherein, the relay carrier set belongs to a non-empty space between the carrier set of the compensation cell and the carrier set of the energy-saving cell intersection, and when the energy-saving cell corresponding to each carrier in the set of relay carriers is turned off, no coverage gap occurs in the geographical area covered by the energy-saving cell;

[0047] S304, the second base station disables an energy-saving cell corresponding to each carrier in the relay carrier set;

[0048] S306. The first base station covers the energy-saving cell by adjusting its own transmission parameters.

[0049] In this preferred e...

Embodiment 2

[0058] The relay carrier set Cr is generated through OAM configuration; the data expression structure of the relay carrier subset is shown in the following table.

[0059] Table 4

[0060]

[0061] The relay carrier set Cr is based on the cell compensation group to meet the basic principles described in the invention point; after Cr changes, the base station where the compensation cell is located can optionally support the eNB where the relevant energy-saving cell is located to update through the ENB CONFIGURATION UPDATE process of the X2 interface .

Embodiment 3

[0063] Generate the relay carrier set Cr through the self-learning method of the X2 interface; the implementation method is as follows:

[0064] 1) eNB1 obtains the carrier information of all energy-saving cells through the existing X2 interface (such as through the X2 SETUP process);

[0065] 2) eNB1 calculates and obtains the carrier intersection Ccommon of its own compensation cell and all energy-saving cells in the compensation group;

[0066] 3) eNB1 selects carriers in the Ccommon set to form the relay carrier set Cr. In addition to meeting the principles described in the invention point, the following rules can also be used in the negotiation:

[0067] a. Prioritize the selection of carriers with light loads; the load is measured based on the entire compensation group, and the load of a carrier is the sum of the loads of all cells corresponding to the carrier.

[0068] b. In the energy-saving domain, the current load of each energy-saving cell corresponding to the carr...

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Abstract

The invention discloses a multicarrier-based communication compensation method and a system. The method comprises the following steps that: a first base station which is subject to a compensation cell transmits a relay carrier collection to a second base station which is subject to an energy-saving cell; the second base station closes each energy-saving cell corresponding to each carrier in the relay carrier collection; the first base station covers the energy-saving cells by adjusting the transmission parameters; and the relay carrier collection belongs to a non-empty intersection between the carrier collection of the compensation cell and the energy-saving cell, and when the energy-saving cell corresponding to each carrier in the relay carrier collection is closed, no coverage blank occurs in the geological region covered by the energy-saving cells. Due to the adoption of the method and the system, the problem in the prior art of the low user experience caused by the compensation carrier can be solved, and the energy conservation can be realized.

Description

technical field [0001] The present invention relates to a wireless cellular communication system, and more specifically relates to a multi-carrier-based communication compensation method and system. Background technique [0002] In cellular communication systems such as UTRAN, LTE, and LTE-Advanced, how to realize energy saving of base stations has become one of the focuses of the industry. The purpose is to achieve the matching between network energy consumption and network service flow as much as possible while ensuring that network performance and user experience are not affected, thereby achieving the purpose of saving energy and reducing operator OPEX. [0003] In order to improve the peak data rate and user throughput of the HSPA system, 3GPP introduced 2-carrier and 4-carrier HSDPA technologies in Rel-8 / Rel-10 respectively. In future cellular communication systems such as LTE-Advanced systems, multi-carrier aggregation (CA, Carrier aggregation) technology has also be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/02H04W88/08H04W92/20
CPCY02B60/50Y02D30/70
Inventor 高音
Owner ZTE CORP
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