CN101212758B - Method and device for transmitting measured data in radio communication system - Google Patents

Method and device for transmitting measured data in radio communication system Download PDF

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Publication number
CN101212758B
CN101212758B CN2006101696167A CN200610169616A CN101212758B CN 101212758 B CN101212758 B CN 101212758B CN 2006101696167 A CN2006101696167 A CN 2006101696167A CN 200610169616 A CN200610169616 A CN 200610169616A CN 101212758 B CN101212758 B CN 101212758B
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China
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described
measurement data
access control
control protocol
media access
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CN2006101696167A
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Chinese (zh)
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CN101212758A (en
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程翔
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中兴通讯股份有限公司
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Abstract

The invention provides a method for transmitting measuring data in wireless communication systems and a device, which are used in the wireless communication systems that comprise a mobile terminal, a wireless network controller and a node B. The method comprises: step one, the mobile terminal obtains measuring data after measuring current wireless environment under the state of cell forward being accessed into a channel and then transmits the measuring data to the wireless network controller; step two, the wireless network controller transmits the measuring data to the node B through a media accessing control protocol data unit under the state of cell forward being connected to a channel to cause the wireless network controller to transmit the obtained measuring data information to the node B so as to facilitate link self-adapting control and other link control means carried out by the node B.

Description

Transmit the method and the device of measurement data in a kind of wireless communication system

Technical field

The present invention relates to wireless communication field, particularly relevant for the method and the device that transmit measurement data in a kind of wireless communication system.

Background technology

Link adaptation techniques is when guaranteeing speech quality, the use of maximum Radio Resource, it is by having adopted more encoding rate and multiple modulation system, adjust the modulation and the coded system of data adaptively according to the link-quality of terminal to report, with compensation because the influence of fading that caused to received signal of channel variation, thereby improve the signal-to-noise performance of signal.Link adaptation techniques is one of key technology of HSDPA (High Speed DataPacket Access, high speed downlink packet inserts, hereinafter to be referred as HSDPA) characteristic.

CQI (Downlink Channel Quality Indicator, the down channel quality indication, hereinafter to be referred as CQI) indicated at down direction, guarantee under the rational block error rate channel quality information indication of the number that can correctly receive transmission block size, modulation system, parallel sign indicating number of estimation etc.Terminal is measured the current wireless reception environment, estimate the current maximum CQI value that allows, Node B is selected suitable down channel transformat according to the CQI suggestion of terminal, comprises transmission block size, modulation system, the number of parallel sign indicating number, the capability correction value of reference etc., carries out the link circuit self-adapting adjustment.

Except that CQI, terminal also can be measured Common Pilot Channel carrier/interface ratio (refer on each bit on the Common Pilot Channel/energy on each chip and the ratio of interference power spectrum density) or Common Pilot Channel received signal chip power (Common Pilot Channel signal strength signal intensity just), reflects current radio environment information.

Two basic manipulation modes of terminal are idle pulley and connection mode.Connection mode can further be divided into different states: URA_PCH state (URA Paging Channel, access net registration area paging channel status, hereinafter to be referred as URA_PCH), CELL_PCH state (CELL Paging Channel, the cell paging forward access channel status is hereinafter to be referred as CELL_PCH), CELL_FACH state (CELLForward Access Channel, cell forward access channel status, hereinafter to be referred as CELL_FACH), CELL_DCH (CELL Dedicated Channel, cell dedicated channel status is hereinafter to be referred as CELL_DCH) state these states have defined the physical channel that terminal uses and the kind of transmission channel.

In the existing system, under the CELL_FACH state, the measurement data that terminal obtains after measuring for the current wireless environment, be merely able to send to radio network controller by signaling, Node B be can't see these measurement data information, and this is to be caused by the processing of legacy system by the radio network controller main control terminal.And after introducing the HSDPA characteristic under the CELL_FACH state, the ownership of the section processes of terminal is to transfer to Node B, Node B need obtain the measurement data that obtains after terminal is measured for the current wireless environment, so that carry out link circuit self-adapting control and other controlling links means.And in the existing system, radio network controller but passes to Node B without any method with these measurement data.

So, need provide a kind of method to make radio network controller the measurement data information that obtains can be passed to Node B.

In the existing system, under cell forward access channel status, the structure of media access control protocol data unit (Medium Access Control Protocol Data Unit is hereinafter to be referred as MAC PDU) has two kinds:

The carrying dedicated logical channel, just carry DCCH (Dedicated Control Channel, Dedicated Control Channel, hereinafter to be referred as DCCH) and DTCH (Dedicated Traffic Channel, Dedicated Traffic Channel is hereinafter to be referred as DCCH), as shown in Figure 1, it is a bit stream structure, is used to carry upper strata DTCH business datum or DCCH signaling data, sends in lower floor;

The carrying common logical is just carried CCCH (Common Control Channel, Common Control Channel, C CH), and as shown in Figure 2, it is a bit stream structure, is used to carry upper strata CCCH signaling data, sends in lower floor.

As can be seen from Figure 1, MAC PDU comprises destination channel type field, terminal iidentification type, terminal iidentification, logic channel multiplexing identification, these information of medium access control Service Data Unit.Wherein, medium access control Service Data Unit is being put upper strata DTCH business datum or DCCH signaling data, terminal iidentification then indicates these data to mail to which concrete terminal via Access Network (Radio Access Controller and Node B), the terminal iidentification type is then indicated and is used which kind of terminal iidentification, and destination channel type field and logic channel multiplexing identification have then indicated upper layer data to derive from the sign of the sort of logic channel and logic channel.

As can be seen from Figure 2, MAC PDU comprises destination channel type field, these information of medium access control Service Data Unit.Wherein, medium access control Service Data Unit is being put upper strata CCCH signaling data, destination channel type field.These bag data mail to which concrete terminal via Access Network (Radio Access Controller and Node B) so, these bag data are which terminals that belongs to concrete, are to determine by the terminal iidentification that carries in the upper strata CCCH signaling data of putting in the medium access control Service Data Unit.

The invention provides a kind of under cell forward access channel status, radio network controller passes through media access control protocol data unit, carry the measurement data information of same terminal therein, be sent to the method for Node B, make radio network controller the measurement data information that obtains can be passed to Node B.

Summary of the invention

For addressing the above problem, the object of the present invention is to provide the method and the device that transmit measurement data in a kind of wireless communication system, radio network controller can not adopt any method measurement data to be passed to the problem of Node B in the existing system to solve.

For realizing the problems referred to above, the invention provides the method for transmitting measurement data in a kind of wireless communication system, be used to comprise the wireless communication system of portable terminal, radio network controller, Node B, wherein, this method comprises:

Step 1, described portable terminal obtain measurement data after the current wireless environment measured under cell forward access channel status, described measurement data is sent to described radio network controller;

Step 2, described radio network controller is in cell forward access channel status following time at described portable terminal, by media access control protocol data unit described measurement data is reached Node B.

Transmit the method for measurement data in the above-mentioned wireless communication system, wherein, further comprise after the described step 2: described Node B is obtained the step of described measurement data from described media access control protocol data unit, and carry out link circuit self-adapting according to described measurement data and control, optimize data and send, the data during described optimization data send comprise described media access control protocol data unit.

Transmit the method for measurement data in the above-mentioned wireless communication system, wherein, described measurement data further comprises one of following at least content: down channel quality indication, Common Pilot Channel carrier/interface ratio or Common Pilot Channel received signal chip power.

Transmit the method for measurement data in the above-mentioned wireless communication system, wherein, described media access control protocol data unit further comprises: the media access control protocol data unit of the media access control protocol data unit of carrying dedicated logical channel or carrying common logical.

Transmit the method for measurement data in the above-mentioned wireless communication system, wherein, the media access control protocol data unit of described carrying dedicated logical channel further comprises: the media access control protocol data unit of the media access control protocol data unit of carrying Dedicated Control Channel and carrying Dedicated Traffic Channel.

Transmit the method for measurement data in the above-mentioned wireless communication system, wherein, further comprise loading the step of carrying mark in the step of media access control protocol data unit is set, the described mark that carries is used for indicating described media access control protocol data unit whether to carry described measurement data.

Transmit the method for measurement data in the above-mentioned wireless communication system, wherein, further comprise the step that loads the measurement data type in the step of media access control protocol data unit is set, it is down channel quality indication, Common Pilot Channel carrier/interface ratio or Common Pilot Channel received signal chip power that described measurement data type is used to indicate described measurement data.

For achieving the above object, the invention allows for the device that transmits measurement data in a kind of wireless communication system, be installed in the wireless communication system that comprises portable terminal, radio network controller and Node B, wherein, described device comprises:

One measurement reports the unit, is arranged in the described portable terminal, is used under cell forward access channel status, obtains measurement data after the current wireless environment is measured, and described measurement data is sent to described radio network controller; With

One transfer unit is arranged in the described radio network controller, is used for being in cell forward access channel status following time at described portable terminal, by media access control protocol data unit described measurement data is reached node;

One processing unit, be arranged in the described Node B, be used for obtaining described measurement data, and carry out link circuit self-adapting control according to described measurement data from described media access control protocol data unit, optimize data and send, comprise described media access control protocol data unit in the described data.

In sum, the invention provides a kind ofly under cell forward access channel status, radio network controller carries the measurement data information of same terminal therein by media access control protocol data unit, be sent to the method and the device of Node B, have following tangible technique effect:

Make radio network controller the measurement data information that obtains can be passed to Node B, so that Node B is carried out link circuit self-adapting control and other controlling links means.

Description of drawings

Fig. 1 is the media access control protocol data unit structural representation that carries DTCH and DCCH in the existing system under the CELL_FACH state;

Fig. 2 is the media access control protocol data unit structural representation that carries CCCH in the existing system under the CELL_FACH state;

Fig. 3 is the schematic diagram that the media access control protocol data unit of carrying DTCH and DCCH and the media access control protocol data unit that carries CCCH increase the organization definition embodiment 1 of measurement data information;

Fig. 4 is the schematic diagram that the media access control protocol data unit of carrying DTCH and DCCH and the media access control protocol data unit that carries CCCH increase the organization definition embodiment 2 of measurement data information;

Fig. 5 is the schematic diagram that the media access control protocol data unit of carrying DTCH and DCCH and the media access control protocol data unit that carries CCCH increase the organization definition embodiment 3 of measurement data information;

Fig. 6 is that radio network controller transmits the embodiment schematic diagram that measurement data is given the process of Node B by media access control protocol data unit.

Embodiment

Transmit the device of measurement data in a kind of wireless communication system provided by the invention, be installed in the wireless communication system that comprises portable terminal, radio network controller and Node B, this device comprises:

One measurement reports the unit, is arranged in the portable terminal, is used under cell forward access channel status, obtains measurement data after the current wireless environment is measured, and measurement data is sent to radio network controller; With

One transfer unit is arranged in the radio network controller, is used for by media access control protocol data unit measurement data being reached Node B under cell forward access channel status.

One processing unit, be arranged in the Node B, be used for receiving media access control protocol data cell, from this media access control protocol data unit, obtain measurement data, and carry out link circuit self-adapting according to measurement data and control, optimize data and send, comprise media access control protocol data unit in the data.

Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme of the present invention:

Embodiment 1 provides the media access control protocol data unit of carrying DTCH and DCCH and has carried the organization definition of the media access control protocol data unit increase measurement data information of CCCH, as shown in Figure 3:

1A carries the embodiment signal of CQI for the media access control protocol data unit of carrying DTCH and DCCH.

1B carries the embodiment signal of Common Pilot Channel carrier/interface ratio for the media access control protocol data unit of carrying DTCH and DCCH.

1C carries the embodiment signal of Common Pilot Channel received signal chip power for the media access control protocol data unit of carrying DTCH and DCCH.

1D carries the embodiment signal of CQI for the media access control protocol data unit of carrying CCCH.

1E carries the embodiment signal of Common Pilot Channel carrier/interface ratio for the media access control protocol data unit of carrying CCCH.

1F carries the embodiment signal of Common Pilot Channel received signal chip power for the media access control protocol data unit of carrying CCCH.

The measurement data that loads in media access control protocol data unit in the practical application can comprise multiple measurement data such as CQI, Common Pilot Channel carrier/interface ratio and/or Common Pilot Channel received signal chip power simultaneously.

Embodiment 2 provides the media access control protocol data unit of carrying DTCH and DCCH and has carried the organization definition of the media access control protocol data unit increase measurement data information of CCCH, as shown in Figure 4:

2A carries the embodiment signal of measurement data for the media access control protocol data unit of carrying DTCH and DCCH by carrying mark.Wherein, carry mark and indicate whether carried measurement data in this protocol Data Unit; Measurement data is the data of CQI, Common Pilot Channel carrier/interface ratio, Common Pilot Channel received signal chip power thrin.

2B carries the embodiment signal of measurement data for the media access control protocol data unit of carrying CCCH by carrying mark.Wherein, carry mark and indicate whether carried measurement data in this protocol Data Unit; Measurement data is the data of CQI, Common Pilot Channel carrier/interface ratio, Common Pilot Channel received signal chip power thrin.

Embodiment 3 provides the media access control protocol data unit of carrying DTCH and DCCH and has carried the organization definition of the media access control protocol data unit increase measurement data information of CCCH, as shown in Figure 5:

3A illustrates by the embodiment that carries measurement data type and measurement data for the media access control protocol data unit of carrying DTCH and DCCH.Measurement data and measurement data type do not limit fixing position in media access control protocol data unit, can be in any position of this data cell, but need the concrete position of unified in advance agreement.Wherein, which among CQI, Common Pilot Channel carrier/interface ratio, the Common Pilot Channel received signal chip power three be the measurement data type be meant; Measurement data is the data of CQI, Common Pilot Channel carrier/interface ratio, Common Pilot Channel received signal chip power thrin.

3B carries the embodiment signal of measurement data for the media access control protocol data unit of carrying CCCH by carrying mark.Wherein, which among CQI, Common Pilot Channel carrier/interface ratio, the Common Pilot Channel received signal chip power three be the measurement data type be meant; Measurement data is the data of CQI, Common Pilot Channel carrier/interface ratio, Common Pilot Channel received signal chip power thrin.

A kind of radio network controller provided by the invention transmits the embodiment that measurement data is given the process of Node B by media access control protocol data unit, as shown in Figure 6, may further comprise the steps:

Step S610, radio network controller obtains the measurement data of terminal, carries the measurement data of this terminal in the media access control protocol data unit that mails to this terminal via Node B.Node B obtains this protocol Data Unit, therefrom obtains the measurement data information of this terminal.

Step S620, Node B is carried out link circuit self-adapting control and other controlling links means according to this measurement data information, optimizes the data that comprise this media access control protocol data unit and sends.Node B is according to this measurement data information, the link that terminal is used is adjusted, comprise and adjust suitable down channel transformat that adjust transmission block size, modulation system, the number of the parallel sign indicating number of adjustment, the capability correction value of reference etc., these are exactly to carry out the content that link circuit self-adapting is adjusted.For example, when the terminal measurement data reflects that wireless link environment is better, then Node B increases the number of parallel sign indicating number, strengthens transport block length, uses the more modulation system of high-order, to improve the throughput on the link.

Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (8)

1. transmit the method for measurement data in the wireless communication system, be used to comprise the wireless communication system of portable terminal, radio network controller, Node B, it is characterized in that this method comprises:
Step 1, described portable terminal obtain measurement data after the current wireless environment measured under cell forward access channel status, described measurement data is sent to described radio network controller;
Step 2, described radio network controller is in cell forward access channel status following time at described portable terminal, by media access control protocol data unit described measurement data is reached Node B.
2. transmit the method for measurement data in the wireless communication system according to claim 1, it is characterized in that, further comprise after the described step 2: described Node B is obtained the step of described measurement data from described media access control protocol data unit, and carry out link circuit self-adapting according to described measurement data and control, optimize data and send, the data during described optimization data send comprise described media access control protocol data unit.
3. transmit the method for measurement data in the wireless communication system according to claim 1, it is characterized in that described measurement data further comprises one of following at least content: down channel quality indication, Common Pilot Channel carrier/interface ratio or Common Pilot Channel received signal chip power.
4. according to the method for transmitting measurement data in claim 1, the 2 or 3 described wireless communication systems, it is characterized in that described media access control protocol data unit further comprises: the media access control protocol data unit of the media access control protocol data unit of carrying dedicated logical channel or carrying common logical.
5. transmit the method for measurement data in the wireless communication system according to claim 4, it is characterized in that the media access control protocol data unit of described carrying dedicated logical channel further comprises: the media access control protocol data unit of the media access control protocol data unit of carrying Dedicated Control Channel and carrying Dedicated Traffic Channel.
6. transmit the method for measurement data in the wireless communication system according to claim 1, it is characterized in that, further comprise loading the step of carrying mark in the step of media access control protocol data unit is set, the described mark that carries is used for indicating described media access control protocol data unit whether to carry described measurement data.
7. transmit the method for measurement data in the wireless communication system according to claim 1, it is characterized in that, further comprise the step that loads the measurement data type in the step of media access control protocol data unit is set, it is down channel quality indication, Common Pilot Channel carrier/interface ratio or Common Pilot Channel received signal chip power that described measurement data type is used to indicate described measurement data.
8. transmit the device of measurement data in the wireless communication system, be installed in the wireless communication system that comprises portable terminal, radio network controller and Node B, it is characterized in that described device comprises:
One measurement reports the unit, is arranged in the described portable terminal, is used under cell forward access channel status, obtains measurement data after the current wireless environment is measured, and described measurement data is sent to described radio network controller; With
One transfer unit is arranged in the described radio network controller, is used for by media access control protocol data unit described measurement data being reached Node B under cell forward access channel status;
One processing unit, be arranged in the described Node B, be used for obtaining described measurement data, and carry out link circuit self-adapting control according to described measurement data from described media access control protocol data unit, optimize data and send, comprise described media access control protocol data unit in the described data.
CN2006101696167A 2006-12-25 2006-12-25 Method and device for transmitting measured data in radio communication system CN101212758B (en)

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CN101594636B (en) * 2009-06-30 2011-05-11 中兴通讯股份有限公司 Self-adaptive method and self-adaptive system for double-current inner ring link
US8411776B2 (en) * 2009-12-08 2013-04-02 Futurewei Technologies, Inc. System and method for quantization of channel state vectors

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Publication number Priority date Publication date Assignee Title
CN1429460A (en) * 2000-06-30 2003-07-09 摩托罗拉公司 Transmission procedures
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