CN102421108B - Improve the method and system of down direction power system capacity - Google Patents
Improve the method and system of down direction power system capacity Download PDFInfo
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- CN102421108B CN102421108B CN201010297848.7A CN201010297848A CN102421108B CN 102421108 B CN102421108 B CN 102421108B CN 201010297848 A CN201010297848 A CN 201010297848A CN 102421108 B CN102421108 B CN 102421108B
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Abstract
The invention discloses a kind of method improving down direction power system capacity to comprise: when radio network controller detects that the data that core net sends are comfort noise data, do not send described comfort noise data to base station.UE, when setting in the period any packet not receiving network side transmission, builds the application layer that comfort noise Data Concurrent gives self.The present invention discloses a kind of system improving down direction power system capacity, be applied in wireless communication system; Comprise and be located at detecting unit in radio network controller and the first transmitting element; Wherein, detecting unit, when detecting that the data that core net sends are comfort noise data, triggers the first transmitting element; First transmitting element, for not sending described comfort noise data to base station.In the present invention, in the period that speech does not activate, network side will not send any packet to UE, thus reduces taking of Internet resources, improves the power system capacity of communication system.
Description
Technical Field
The present invention relates to a technique for increasing system capacity in the downlink direction, and more particularly, to a method and system for increasing system capacity in the downlink direction by reducing comfort noise data on an air interface.
Background
With the global widespread use of wireless communication systems, how to maximize the operation benefit of low networking cost is a problem that operators are not concerned at all times, and therefore, how to increase the capacity of the wireless communication system as much as possible becomes a problem faced by the operators at present.
In the voice service of the current wireless communication system, the voice activation time is usually 67%, and during the non-call period, there will be some current noise, which makes both parties of the call very uncomfortable to hear, therefore, it is a common practice to transmit some comfort noise during the non-call period to improve the feeling of the caller. Because the comfort noise is to be transmitted, the air interface in the wireless communication system must transmit the data of the comfort noise, and thus, the capacity of the wireless communication system is occupied; if there are a large number of users talking in a cell, the capacity loss to the communication system to transmit these comfort noises will be significant. However, if these comfort noises are not transmitted, the service experience of the user in the conversation service will be deteriorated, resulting in customer loss or complaints from the user.
Disclosure of Invention
In view of this, the main objective of the present invention is to provide a method and a system for increasing system capacity in the downlink direction, which can reduce the comfort noise data sent to the network side over the downlink air interface, thereby increasing the system capacity of the cell in which the UE is located.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a method for improving system capacity in a downlink direction comprises the following steps:
and when the radio network controller detects that the data sent by the core network is comfort noise data, the radio network controller does not send the comfort noise data to the base station.
Preferably, the method further comprises:
when the User Equipment (UE) does not receive any data packet sent by the network side within a set time period, comfortable noise data is constructed and sent to an application layer of the UE.
Preferably, an Iu-up (Iu-User Plane) layer, and/or a Radio Link Control (RLC) layer, and/or a Packet Data Convergence Protocol (PDCP) layer of an Iu interface of the Radio network controller detects whether Data transmitted by a core network is comfort noise Data;
when the voice radio bearer is mapped on a Dedicated Channel (DCH), the RLC layer constructs comfortable noise data; the voice radio bearer is mapped on the HS-DSCH, and comfort noise data is constructed by the Iu-up layer, PDCP layer or RLC layer.
Preferably, the radio network controller detects that the data sent by the core network is comfort noise data, specifically:
when voice service is loaded on DCH, detecting that the size combination of data protocol units is self-adaptive multi-rate AMR (39, 0, 0) or AMR (40, 0), and determining the data as the comfortable noise data;
when the voice service is carried on a High-Speed downlink shared Channel (HS-DSCH), it is detected that the size of an RLC layer data protocol unit is 56 bits, or when it is detected that the size of a PDCP layer data protocol unit is 48 bits, or when it is detected that the size of a data protocol unit of an Iu-up layer is 39 bits, and the wideband AMR service is 40 bits, it is determined that the comfort noise data is the comfort noise data.
Preferably, when the UE does not receive any data packet sent by the network side within a set time period, the constructing of the comfort noise data specifically includes:
when the voice service is loaded on the DCH, the RLC layer of the UE constructs a data protocol unit with the size combination as follows: narrow-band AMR (39, 0, 0) or wide-band AMR (40, 0);
when the voice radio bearer is mapped on the HS-DSCH channel, the RLC layer of the UE constructs a data protocol unit size of 56 bits; alternatively, the PDCP layer of the UE constructs a data protocol unit size of 48 bits.
Preferably, the set period is n × 20ms, n ≧ 1.
A system for improving the system capacity of the downlink direction is applied to a wireless communication system; the wireless network controller comprises a detection unit and a first sending unit which are arranged in the wireless network controller; wherein,
the detection unit is used for triggering the first sending unit when detecting that the data sent by the core network is comfort noise data;
a first transmitting unit for not transmitting the comfort noise data to a base station.
Preferably, the system further comprises a receiving unit, a constructing unit and a second transmitting unit provided in the UE, wherein,
a receiving unit, when the UE does not receive any data packet sent by the network side within the set time period,
a construction unit for constructing comfort noise data
And a second sending unit, configured to send the comfort noise data constructed by the construction unit to an application layer of the UE.
Preferably, the detecting unit is arranged on an Iu-up layer, and/or an RLC layer, and/or a PDCP layer of the radio network controller; the construction unit is arranged on an Iu-up layer, and/or an RLC layer, and/or a PDCP layer of the UE;
when the voice radio bearer is mapped on the DCH, the construction unit of the RLC layer constructs comfortable noise data; the voice radio bearer is mapped on the HS-DSCH, and comfort noise data is constructed by a construction unit of the Iu-up layer, PDCP layer or RLC layer.
Preferably, when the voice service is carried on the DCH, the detecting unit detects that the data protocol unit size combination is AMR (39, 0, 0) or AMR (40, 0), and determines the data as the comfort noise data;
when the voice service is carried on the HS-DSCH, the detection unit detects that the size of an RLC layer data protocol unit is 56 bits, or detects that the size of a PDCP layer data protocol unit is 48 bits, or detects that the size of a data protocol unit of an Iu-up layer is 39 bits, and the size of a wideband AMR service is 40 bits, and determines the data is the comfort noise data.
In the invention, when the wireless network controller detects that the data sent by the core network is comfort noise data, the wireless network controller does not send the comfort noise data to the base station. That is, when the radio network controller on the network side detects that the data transmitted to the UE is comfort noise data, it will not be transmitted to the UE through the base station. And when the UE does not receive any data packet sent by the network side within a set time period, the UE constructs comfortable noise data and sends the comfortable noise data to an application layer of the UE. And if the UE does not receive any data packet sent by the network side in a set time period, constructing comfortable noise data and sending the comfortable noise data to the application layer of the UE. Therefore, in the period of voice inactivity, the network side does not send any data packet to the UE, thereby reducing the occupation of network resources and improving the system capacity of the communication system.
Drawings
Fig. 1 is a flowchart illustrating a process of a transmitting end and a receiving end when a narrowband AMR service is carried on a DCH according to a first embodiment of the present invention;
fig. 2 is a flowchart of processing of a transmitting end and a receiving end when a wideband AMR service is carried on a DCH according to a second embodiment of the present invention;
fig. 3 is a flowchart of processing of a transmitting end and a receiving end when a narrowband AMR service is carried on an HS-DSCH in a third embodiment of the present invention;
fig. 4 is a flowchart illustrating a process of a transmitting end and a receiving end when a wideband AMR service is carried on an HS-DSCH in a fourth embodiment of the present invention;
fig. 5 is a flowchart of processing of a transmitting end and a receiving end when a wideband AMR service is carried on an HS-DSCH in a fifth embodiment of the present invention;
FIG. 6 is a schematic diagram of a component structure of the system for increasing system capacity in the downlink direction according to the present invention;
fig. 7 is a schematic diagram of another structure of the system for increasing the system capacity in the downlink direction according to the present invention.
Detailed Description
The basic idea of the invention is that when the radio network controller detects that the data sent by the core network is comfort noise data, the comfort noise data is not sent to the base station. And when the UE does not receive any data packet sent by the network side within a set time period, the UE constructs comfortable noise data and sends the comfortable noise data to an application layer of the UE. And if the UE does not receive any data packet sent by the network side in a set time period, constructing comfortable noise data and sending the comfortable noise data to the application layer of the UE.
The invention mainly comprises the processing steps of a sending end wireless network controller and the processing steps of a receiving end UE side, and concretely, the processing steps of the sending end wireless network controller comprise: a radio network controller receives data sent by a core network; if the radio network controller detects that the transmitted data protocol unit is comfort noise, the radio network controller does not transmit the comfort noise data to the Node B.
The protocol stack detected by the radio network controller can be any one of the following protocol stacks Iu-up layer, PDCP layer and RLC layer; if the voice radio bearer is mapped on the DCH, detection is performed by an RLC layer of a radio network controller; if the voice radio bearer is mapped on the HS-DSCH, it can be detected by any one of the protocol stacks of Iu-up, PDCP, RLC of the radio network controller.
The method for detecting whether the data protocol unit is comfort noise by the wireless network controller comprises the following steps: if the AMR service is carried on DCH, the RLC layer detects the data protocol unit size combination of sub-flows as: narrow-band AMR (39, 0, 0), when the wide-band AMR (40, 0), the data protocol unit is comfortable noise data, otherwise, the data protocol unit is not comfortable noise data; if the narrow band AMR and the wide band AMR service are carried on the HS-DSCH, the size of the RLC layer data protocol unit is detected to be 56 bits, the size of the PDCP layer data protocol unit is detected to be 48 bits, the size of the data protocol unit of the Iu-up layer is detected to be 39 bits when the narrow band AMR service is 39 bits, the wide band AMR service is 40 bits, the data protocol unit is comfort noise data, otherwise the data protocol unit is not comfort noise data.
The processing steps of the receiving end user equipment comprise: when the User Equipment (UE) does not receive any data packet within a set period, the UE constructs the comfort noise data by itself. A User Equipment (UE) transmits comfort noise data to its own application layer. Therefore, the network side is prevented from sending comfortable noise data to the UE, downlink resources are saved in a certain period of time, and the capacity of the system is improved. The setting period may be n times 20ms, where n ≧ 1. For example, n is a natural number, or a non-integer number such as 1.5, 2.4, 4.5, etc.
The protocol stack for the user equipment to construct the comfort noise data may be any one of the PDCP layer and the RLC layer, and specifically, if the voice radio bearer is mapped on the DCH, the protocol stack is constructed by the RLC layer; if the voice radio bearer is mapped on the HS-DSCH channel, it can be constructed by any one of the protocol stacks of PDCP, RLC.
The method for constructing the comfortable noise by the receiving end UE comprises the following steps: if the AMR service is carried on DCH channel, the combination of the data protocol unit sizes constructed by RLC layer of UE is: narrow-band AMR (39, 0, 0), wide-band AMR (40, 0); if the narrowband AMR and wideband AMR traffic is carried on the HS-DSCH, the data protocol unit size constructed by the RLC layer of the UE is 56 bits or the data protocol unit size constructed by the PDCP layer of the UE is 48 bits.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings by way of examples.
Example one
Fig. 1 is a flowchart of a processing procedure of a sending end and a receiving end when a narrowband AMR service is carried on a DCH according to an embodiment of the present invention, and as shown in fig. 1, for the sending end (network side), the processing procedure specifically includes:
step 110, a radio network controller receives data sent by a core network;
step 120, if the RLC layer protocol stack of the radio network controller detects that the combination size of the data protocol unit is (39, 0, 0), the data protocol unit is considered to be comfort noise data;
in step 130, the RLC layer protocol stack of the radio network controller discards the data protocol unit.
As shown in fig. 1, for the receiving end (UE side), the processing steps specifically include:
step 140, the ue does not receive the data sent by the physical layer within a period of 20 ms;
step 150, the RLC layer protocol stack of the user equipment constructs a comfortable noise data protocol unit, which is (39, 0, 0);
step 160, the user equipment sends the comfort noise data protocol unit constructed by the RLC layer protocol stack to its own application layer.
Example two
Fig. 2 is a flowchart of a processing procedure of a transmitting end and a receiving end when a wideband AMR service is carried on a DCH according to a second embodiment of the present invention, and as shown in fig. 2, for the transmitting end (network side), the processing procedure specifically includes:
step 210, the radio network controller receives data sent by a core network;
step 220, if the RLC layer protocol stack of the radio network controller detects that the combination size of the data protocol unit is (40, 0), the data protocol unit is considered to be comfort noise data;
in step 230, the RLC layer protocol stack of the radio network controller discards the data protocol unit.
As shown in fig. 2, for the receiving end (UE side), the processing steps specifically include:
step 240, the ue does not receive the data sent by the physical layer within a period of 20 ms;
step 250, constructing a comfortable noise data protocol unit (40, 0) by the RLC layer protocol stack of the user equipment;
in step 260, the ue sends the comfort noise data protocol unit constructed by the RLC layer protocol stack to its own application layer.
EXAMPLE III
Fig. 3 is a flowchart of processing of a transmitting end and a receiving end when a narrowband AMR service is carried on an HS-DSCH in a third embodiment of the present invention, and as shown in fig. 3, for the transmitting end (network side), the processing steps specifically include:
step 310, a radio network controller receives data sent by a core network;
step 320, if the Iu-up layer protocol stack of the radio network controller detects that the combination size of the data protocol unit is 39 bits, the data protocol unit is considered to be comfortable noise data;
in step 330, the Iu-up layer protocol stack of the rnc discards the data protocol unit.
As shown in fig. 3, for the receiving end (UE side), the processing steps specifically include:
step 340, the user equipment does not receive the data sent by the physical layer within a period of 20 ms;
step 350, the protocol stack of the PDCP layer of the user equipment constructs a protocol unit with the size of the comfortable noise data as 39 bits;
in step 360, the user equipment sends the comfort noise data protocol unit constructed by the PDCP layer protocol stack to its own application layer.
Example four
Fig. 4 is a flowchart of a processing procedure of a transmitting end and a receiving end when a wideband AMR service is carried on an HS-DSCH in a fourth embodiment of the present invention, and as shown in fig. 4, for the transmitting end (network side), the processing steps specifically include:
step 410, the radio network controller receives data sent by a core network;
step 420, when the PDCP layer protocol stack of the radio network controller detects that the combined size of the data protocol unit is 48 bits, the data protocol unit is considered to be comfort noise data;
in step 430, the PDCP layer protocol stack of the radio network controller discards the data protocol unit.
As shown in fig. 4, for the receiving end (UE side), the processing steps specifically include:
step 440, the ue does not receive the data sent by the physical layer within a period of 40 ms;
step 450, the protocol stack of the PDCP layer of the user equipment constructs a protocol unit with the size of comfortable noise data as 40 bits;
step 460, the user equipment sends the comfort noise data protocol unit constructed by the PDCP layer protocol stack to the Iu-up protocol stack and to its own application layer.
EXAMPLE five
Fig. 5 is a flowchart of a processing procedure of a transmitting end and a receiving end when a wideband AMR service is carried on an HS-DSCH in a fifth embodiment of the present invention, and as shown in fig. 5, for the transmitting end (network side), the processing steps specifically include:
step 510, the radio network controller receives data sent by a core network;
step 520, if the RLC layer protocol stack of the radio network controller detects that the combination size of the data protocol unit is 56 bits, the data protocol unit is considered to be comfort noise data;
the RLC layer protocol stack of the radio network controller discards the data protocol unit, step 530.
As shown in fig. 5, for the receiving end (UE side), the processing steps specifically include:
step 540, the ue does not receive the data sent by the physical layer within a period of 20 ms;
step 550, the RLC layer protocol stack of the user equipment constructs a comfortable noise data protocol unit size of 40 bits;
in step 560, the ue sends the comfort noise data protocol unit constructed by the RLC layer protocol stack to the PDCP and Iu-up protocol stacks, and sends the comfort noise data protocol unit to its own application layer.
The system for improving the system capacity in the downlink direction is applied to a wireless communication system; fig. 6 is a schematic structural diagram of a system for increasing system capacity in a downlink direction according to the present invention, and as shown in fig. 6, the system for increasing system capacity in a downlink direction according to the present invention includes a detecting unit 60 and a first sending unit 61, which are disposed in a radio network controller; wherein,
a detecting unit 60, which triggers the first sending unit 61 when detecting that the data sent by the core network is comfort noise data;
a first transmitting unit 61, configured to not transmit the comfort noise data to a base station.
Fig. 7 is a schematic diagram of another composition structure of the system for increasing system capacity in the downlink direction according to the present invention, as shown in fig. 7, on the basis of the system shown in fig. 6, the system for increasing system capacity in the downlink direction according to the present invention further includes a receiving unit 62, a constructing unit 63, and a second sending unit 64, where,
the receiving unit 62, when the UE does not receive any data packet sent by the network side within a set time period,
a construction unit 63 for constructing comfort noise data
A second sending unit 64, configured to send the comfort noise data constructed by the constructing unit to an application layer of the UE.
The detection unit 60 is disposed in the Iu-up layer, and/or RLC layer, and/or PDCP layer of the radio network controller; the constructing unit 63 is arranged on the Iu-up layer, and/or the RLC layer, and/or the PDCP layer of the UE;
wherein, when the voice radio bearer is mapped on the DCH, the construction unit 63 of the RLC layer constructs comfort noise data; the voice radio bearer is mapped on the HS-DSCH and comfort noise data is constructed by a construction unit 63 of the Iu-up layer, PDCP layer or RLC layer.
When the voice service is carried on the DCH, the detecting unit 60 detects that the data protocol unit size combination is AMR (39, 0, 0) or AMR (40, 0), and determines it as the comfort noise data;
when the voice service is carried on the HS-DSCH, the detecting unit 60 detects that the size of the RLC layer data protocol unit is 56 bits, or detects that the size of the PDCP layer data protocol unit is 48 bits, or detects that the size of the data protocol unit of the Iu-up layer is 39 bits, and the size of the wideband AMR service is 40 bits, determines that the data is the comfort noise data.
The setting period may be n times 20ms, where n ≧ 1. For example, n is a natural number, or a non-integer number such as 1.5, 2.4, 4.5, etc.
It should be understood by those skilled in the art that the system for increasing the system capacity in the downlink direction shown in fig. 6 and fig. 7 of the present invention is designed to implement the method for increasing the system capacity in the downlink direction of the present invention, and the implementation functions of the processing units can be understood by referring to the related description of the method. The functions of the processing units in the figures may be implemented by a program running on a processor, or may be implemented by specific logic circuits.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (9)
1. A method for increasing system capacity in a downlink direction, the method comprising:
when the wireless network controller detects that the data sent by the core network is comfort noise data, the wireless network controller does not send the comfort noise data to the base station;
when the User Equipment (UE) does not receive any data packet sent by the network side within a set time period, comfortable noise data is constructed and sent to an application layer of the UE.
2. The method of claim 1, wherein a user plane (Iu-up) layer, and/or a Radio Link Control (RLC) layer, and/or a Packet Data Convergence Protocol (PDCP) layer of an Iu interface of the radio network controller detects whether data transmitted by a core network is comfort noise data;
wherein, when the voice radio bearer is mapped on a Dedicated Channel (DCH), the RLC layer constructs comfortable noise data; the voice radio bearer is mapped on the HS-DSCH, and comfort noise data is constructed by the Iu-up layer, PDCP layer or RLC layer.
3. The method according to claim 2, wherein the rnc detects that the data sent by the core network is comfort noise data, and specifically:
when voice service is loaded on DCH, detecting that the size combination of data protocol units is self-adaptive multi-rate AMR (39, 0, 0) or AMR (40, 0), and determining the data as the comfortable noise data;
when voice service is carried on a high speed downlink shared channel (HS-DSCH), the size of an RLC layer data protocol unit is detected to be 56 bits, or when the size of the PDCP layer data protocol unit is detected to be 48 bits, or when the size of a data protocol unit of an Iu-up layer is detected to be 39 bits, narrow band AMR service is detected to be 40 bits, the data is determined to be the comfort noise data.
4. The method according to claim 1, wherein when the UE does not receive any data packet sent by the network side within a set time period, the method for constructing comfort noise data specifically comprises:
when the voice service is loaded on the DCH, the RLC layer of the UE constructs a data protocol unit with the size combination as follows: narrow-band AMR (39, 0, 0) or wide-band AMR (40, 0);
when the voice radio bearer is mapped on the HS-DSCH channel, the RLC layer of the UE constructs a data protocol unit size of 56 bits; alternatively, the PDCP layer of the UE constructs a data protocol unit size of 48 bits.
5. The method according to any of claims 2 to 4, wherein the set period of time is n x 20ms, n ≧ 1.
6. A system for improving the system capacity of the downlink direction is applied to a wireless communication system; the system is characterized by comprising a detection unit and a first sending unit which are arranged in a wireless network controller, and a receiving unit, a construction unit and a second sending unit which are arranged in UE; wherein,
the detection unit is used for triggering the first sending unit when detecting that the data sent by the core network is comfort noise data;
a first transmitting unit for not transmitting the comfort noise data to a base station;
the receiving unit is used for triggering the construction unit when any data packet sent by the network side is not received in a set time period;
a construction unit for constructing comfort noise data;
and a second sending unit, configured to send the comfort noise data constructed by the construction unit to an application layer of the UE.
7. The system according to claim 6, wherein said detecting unit is disposed in Iu-up layer, and/or RLC layer, and/or PDCP layer of radio network controller; the construction unit is arranged on an Iu-up layer, and/or an RLC layer, and/or a PDCP layer of the UE;
when the voice radio bearer is mapped on the DCH, the construction unit of the RLC layer constructs comfortable noise data; the voice radio bearer is mapped on the HS-DSCH, and comfort noise data is constructed by a construction unit of the Iu-up layer, PDCP layer or RLC layer.
8. The system of claim 7, wherein when voice traffic is carried on DCH, the detecting unit detects that the data protocol unit size combination is AMR (39, 0, 0) or AMR (40, 0), and determines as the comfort noise data;
when the voice service is carried on the HS-DSCH, the detection unit detects that the size of an RLC layer data protocol unit is 56 bits, or detects that the size of a PDCP layer data protocol unit is 48 bits, or detects that the size of a data protocol unit of an Iu-up layer is 39 bits, and the size of a wideband AMR service is 40 bits, and determines the data is the comfort noise data.
9. The system according to claim 6, wherein when the voice service is carried on the DCH, the construction unit of the RLC layer of the UE constructs a data protocol unit size combination as: narrow-band AMR (39, 0, 0) or wide-band AMR (40, 0);
when the voice radio bearer is mapped on the HS-DSCH channel, the construction unit of the RLC layer of the UE constructs the data protocol unit size, which is 56 bits; alternatively, the construction unit of the PDCP layer of the UE constructs a data protocol unit size of 48 bits.
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| CN1753349A (en) * | 2005-10-31 | 2006-03-29 | 连展科技(天津)有限公司 | Method of implementing source control rate of AMR speech sound coding |
| CN101310503A (en) * | 2005-11-17 | 2008-11-19 | 美商内数位科技公司 | Method and apparatus for supporting voice over ip services over a cellular wireless communication network |
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| CN1753349A (en) * | 2005-10-31 | 2006-03-29 | 连展科技(天津)有限公司 | Method of implementing source control rate of AMR speech sound coding |
| CN101310503A (en) * | 2005-11-17 | 2008-11-19 | 美商内数位科技公司 | Method and apparatus for supporting voice over ip services over a cellular wireless communication network |
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