WO2009129750A1

WO2009129750A1 - Method for transmitting information and controlling power and apparatus thereof

Info

Publication number: WO2009129750A1
Application number: PCT/CN2009/071452
Authority: WO
Inventors: 郭房富; 徐旭华
Original assignee: 华为技术有限公司
Priority date: 2008-04-25
Filing date: 2009-04-24
Publication date: 2009-10-29
Also published as: CN101568170A

Abstract

A method for transmitting channel information and controlling power and an apparatus thereof are disclosed, in which the method includes after obtaining a power parameter of an E-FACH, sending the power parameter of the E-FACH, after receiving the power parameter of an E-FACH, an information receiving part performing power control for usage power of the E-FACH according to the received power parameter of the E-FACH. An apparatus corresponding to the method is also provided in the present invention.

Description

Method and device for transmitting channel information and power control

[1] This application claims priority to Chinese Patent Application No. 200810104928.9, entitled "Method and Apparatus for Reporting Channel Information and Power Control", filed on April 25, 2008, the entire contents of which are hereby incorporated by reference. The citations are incorporated herein by reference.

[2] Technical field

[3] The present invention relates to the field of wireless communication technologies, and in particular, to a channel information management technology.

[4] Background of the invention

Access) newly added channel state with corresponding function, the E-FACH may specifically include enhanced Cell-FACH state for transmitting information (such as signaling message and small amount of data information) using the cell forward access channel, and enhanced in-cell The Cell-PCH state of the paging channel is monitored internally or the URA-PCH state of the paging channel is monitored in the registration area of the UTRAN of the universal mobile communication system terrestrial radio access network. That is, under E-FAC H, users in the CELL-FACH, CELL-PCH, and URA-PCH states can support the reception of HSDPA (High Speed Downlink Packet Access) channel.

After introducing the function of E-FACH in the system, it is in CELL-FACH, CELL-PCH URA-P

Users in the CH state can use the HS-DSCH (High Speed Downlink Shared) for downlink transmission data.

Channel, high-speed downlink shared physical channel) The channel carries the bearer to improve the peak throughput of the user in the Cell-FACH state and reduce the delay of state transition.

[7] In the process of implementing the present invention, the inventors found that at least the following problems exist in the prior art:

[8] The management entity in the wireless communication system cannot obtain the power resource usage of the E-FACH, which makes it impossible to effectively manage the resources occupied by the E-FACH users, which is not conducive to improving resource utilization.

[9] Summary of the invention

[10] Embodiments of the present invention provide a method and apparatus for transmitting channel information and power control, so that a corresponding entity can learn the power parameters of the E-FACH, thereby facilitating the E-in the wireless communication system. The power used by FACH is effectively managed.

[11] A method of communicating channel information, comprising:

[12] Obtaining the enhanced common channel transmission state The power parameter of the E-FACH, and transmitting the acquired power parameter of the E-FACH.

[13] An apparatus for transmitting channel information, comprising:

[14] a parameter obtaining unit, configured to obtain a power parameter of the E-FACH;

[15] The parameter sending unit is configured to send the power parameter of the E-FACH acquired by the parameter obtaining unit.

[16] A base station comprising the above means for transmitting channel information.

[17] A channel power control method, comprising:

[18] receiving information about a power parameter carrying the E-FACH, and acquiring a power parameter of the E-FACH;

[19] The power usage of the E-FACH is adjusted according to the power parameter of the E-FACH.

[20] A channel power control apparatus, comprising:

[21] a parameter receiving unit, configured to receive information about a power parameter carrying the E-FACH, and obtain a power parameter of the E-FACH;

[22] a power adjustment unit, configured to: according to the power parameter of the E-FACH obtained by the parameter receiving unit, the E-FA

The power used by the CH is adjusted.

[23] A radio network controller comprising the above channel power control device.

[24] A channel power control system comprising the above base station and the above radio network controller, wherein:

[25] the base station, configured to send a power parameter of the E-FACH;

[26] The radio network controller is configured to receive an E-FACH power parameter sent by the base station, and adjust an E-FACH power according to the E-FACH power parameter.

As can be seen from the technical solution provided by the foregoing embodiments of the present invention, the embodiment of the present invention can enable the corresponding entity to learn the power parameters of the E-FACH through the corresponding scheme of transmitting channel information. Further, the corresponding channel power control scheme enables the corresponding entity to control the power used by the E-FA CH according to the learned E-FACH, thereby facilitating the effective management of the power used by the E-FACH by the wireless communication network. In turn, the utilization of power resources in the wireless communication system can be effectively improved.

[28] BRIEF DESCRIPTION OF THE DRAWINGS

[29] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the following needs to be made in the description of the embodiment. BRIEF DESCRIPTION OF THE DRAWINGS The drawings in the following description are merely illustrative of some embodiments of the present invention, and those of ordinary skill in the art may also The figure obtains other figures.

FIG. 1 is a schematic diagram of a process of processing delivery channel information according to an embodiment of the present invention; FIG.

2 is a schematic diagram of a control channel in a wireless communication system according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an apparatus for transmitting channel information according to an embodiment of the present invention; FIG.

FIG. 4 is a schematic structural diagram of a channel power control apparatus according to another embodiment of the present invention; FIG.

FIG. 5 is a schematic structural diagram of a channel power control system according to still another embodiment of the present invention.

[35] Mode for carrying out the invention

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

[37] In an embodiment of the present invention, the process of providing the corresponding channel information is as shown in FIG. 1 , which may specifically include:

[38] Step 1. Obtain the power parameters of the E-FACH, that is, the actual power used by the E-FACH;

[39] Step 2, sending the corresponding E-FACH power parameters;

[40] For example, the base station can report the corresponding E-FACH actual power to the radio network controller.

[41] The implementation of the channel information can be used to transmit the power parameters of the corresponding E-FACH to the corresponding functional entity, such as a radio network controller, so that the corresponding functional entity can learn the E-FACH power usage. .

[42] In another embodiment of the present invention, a corresponding channel power control method is provided, and the specific processing process that can be used is still as shown in FIG. 1, and includes:

[43] Step 3, receiving the power parameters of the E-FACH;

Specifically, the information about the power parameter carrying the enhanced common channel transmission state E-FACH may be received, and the power parameter of the E-FACH is obtained according to the corresponding information;

[45] Step 4: Adjust the power consumption of the E-FACH according to the received power parameters of the E-FACH.

[46] The channel power control process can effectively manage the power used by the E-FACH, and further Improve resource utilization efficiency in wireless communication systems. Further, the user of the E-FACH is convenient to utilize the power resources reasonably.

[47] Wherein, the power parameter of the E-FACH may include, but is not limited to, a power used by the control channel (such as a broadcast control channel or a dedicated control channel, etc.) and a power actually used by the dedicated traffic channel.

[48] Optionally, the corresponding manner of sending the power parameter of the E-FACH may include, but is not limited to, at least one of the following:

[49] (1) transmitting the power parameter of the E-FACH according to a predetermined period, the predetermined period may be set locally, or may be determined by other devices (such as a radio network controller, etc.) and sent to the local device. ;

[50] (2) Perform the E-FA according to the received request (such as a request message sent by the radio network controller)

Transmission of the power parameters of the CH;

[51] (3) After the predetermined condition is met, the transmission of the power parameter of the E-FACH is performed.

In the embodiment of the present invention, in the process of transmitting the power parameter of the E-FACH, the power parameter of the E-FACH may be sent by using a measurement message, and the measurement type in the measurement message may be indicated as sending the E-FACH. The type of the power parameter; or, the power parameter of the E-FACH may also be sent through other messages (such as a newly added message dedicated to sending E-FACH parameters, or extending other existing messages).

[53] For example, a new measurement type may be added to the existing measurement message reported by the base station to the radio network controller, that is, the measurement type of the power (E-FACH power parameter) actually used by the E-FACH is reported, below. The message structure of the corresponding Iub measurement type will be described by taking the power parameter of the E-FACH reported by the Iub measurement message as an example.

[54] Currently, the Iub interface can support the reporting of multiple measurement types. The types of measurements that can be supported are shown in Table 1:

[55] Table 1

An embodiment of the present invention may add a measurement type (a type of power parameter reported to the E-FACH) based on the measurement type provided in the foregoing Table 1. The measurement type may be referred to as an E-FACH Transmitted Carrier.

Power, that is, the E-FACH transmission bearer power, for reporting the power actually used by the E-FACH by using the type of measurement message, specifically, the corresponding reporting feature (Report) Characteristic) Supports immediate reporting according to the request and reports two reporting methods according to the predetermined period. The specific added measurement types can be as shown in Table 2:

[58] Table 2

[59]

[60] In Table 2, "x" indicates the selected feature type.

[61] As shown in Figure 2, the data carried on E-FACH includes BCCH (Broadcast Control).

Channel, broadcast control channel), CCCH (Common Control)

Channel, Common Control Channel), SRB#1 (SRB : Signal Radio

Bearer, Signaling Radio Bearer) or DCCH (Dedicated Control)

Channel, dedicated control channel) data of logical channels; because the QoS requirements of the data of these logical channels are different, the strategies adopted by the base station when scheduling and allocating these logical channel data may also be different, corresponding The resource allocation may include power resource allocation, code resource allocation, and the like. The power parameters of the E-FACH transmitted may include: the power used by the control channel and the dedicated service letter, in the process of transmitting the power actually used by the E-FACH, in consideration of the corresponding power resource allocation. The power used by the channel; wherein, the control channel may include but is not limited to BCCH, CCCH, SRB#1 or DC

CH, the power used by the control channel to be transmitted may be the sum of the power actually used by one control channel or the actual power used by multiple control channels; the power used by the corresponding traffic channel may be DT CH (Dedicated Traffic) Channel, dedicated traffic channel) The actual power used.

[62] It should be noted that the power used by the foregoing control channel and the power used by the traffic channel may be sent by one message or by two messages. If the message is sent through a message, it may be separately in the message. The power used by the control channel and the power used by the traffic channel are indicated, so that the receiving end can separately learn the power used by the corresponding control channel and the power used by the traffic channel, or can also use the power of the control channel in the agreed format. The transmission of the power used by the traffic channel, so that the receiving end can distinguish the power used by the control channel and the power used by the traffic channel from the transmitted information according to the corresponding agreement.

[63] In the above process, the receiving end adjusts the power consumption of the E-FACH according to the power parameter of the received E-FACH, and specifically controls the power consumption of the E-FACH according to a preset power control policy. The adjustment control is performed. For example, in the case where the power resources are abundant, the power consumption of the E-FAC H can be appropriately increased, and in the case where the power resources are tight, the power consumption of the E-FACH can be appropriately reduced, and the like.

An embodiment of the present invention provides an apparatus for transmitting channel information. The implementation structure is as shown in FIG. 3, and may include:

[65] The parameter obtaining unit 100 is configured to obtain a power parameter of the E-FACH,

[66] The power parameter of the E-FACH may include, but is not limited to: power used by the control channel and power used by the service channel;

[67] The parameter sending unit 200 is configured to send the power parameter of the E-FACH acquired by the parameter acquiring unit 100. [68] The parameter sending unit 200 may specifically send the power parameter of the E-FACH by using a measurement message, where the measurement The measurement type in the message may be indicated as the type of the power parameter for transmitting the E-FACH; or the power parameter of the E-FACH may be passed through other messages (such as a newly added message dedicated to transmitting the E-FACH parameter, or extended) Other existing messages) are sent.

[69] Further, if the measurement message is used for sending, the parameter sending unit 200 may include:

[70] The measurement message construction subunit 201 is configured to carry the power parameter of the E-FACH in the measurement message, and The measurement type in the measurement message indicates the type of the power parameter for transmitting the E-FACH;

[71] The measurement message sending subunit 202 is configured to send a measurement message constructed by the measurement message construction unit.

[72] It should be noted that the foregoing apparatus for transmitting channel information may be set in a base station, or may be set in an access device of other similar functions, so as to transmit the actual power of the E-FACH to the control of the radio network controller. device.

[73] Optionally, the manner in which the corresponding parameter sending unit 200 sends the power parameter of the E-FACH may be, but is not limited to, including at least one of the following:

[74] (1) transmitting the power parameter of the E-FACH according to a predetermined period, and the corresponding predetermined period may be set locally, or may be sent by another device (such as a radio network controller);

[75] (2) transmitting the power parameter of the E-FACH according to the received request (such as a request message sent by the radio network controller);

[76] (3) After the predetermined conditions are met, the power parameters of E-FACH are transmitted.

[77] Another embodiment of the present invention further provides a channel power control apparatus, and the implementation structure thereof is as shown in FIG.

[78] The parameter receiving unit 300 is configured to receive information about a power parameter carrying the E-FACH, and obtain, according to the information, a power parameter of the E-FACH.

[79] The power adjustment unit 400 is configured to: according to the power parameter pair E of the E-FACH acquired by the parameter receiving unit 300

-FACH is used to adjust the power.

[80] The channel power control apparatus may further include a notification unit 500, configured to notify the apparatus for transmitting the channel information to send the power parameter of the E-FACH according to a predetermined period or a predetermined condition or a request, such as sending the data to the base station. The period of the power parameter of the E-FACH is reported, or a message requesting to acquire the power parameter of the E-FACH is sent to the base station, and the like.

[81] The specific information about the power parameters of the corresponding E-FACH and the specific manner of transmitting the power parameters of the E-FACH have been described in detail above, and thus the description is not repeated here.

[82] Further, the channel power control device may include, but is not limited to, being disposed in a wireless network controller, or may be disposed in a control device of another similar wireless communication system, so as to facilitate power in the wireless communication system. Resources are managed effectively.

An embodiment of the present invention further provides a channel power control system, and a specific implementation structure thereof is shown in FIG. 5 . Specifically, it may include:

[84] a base station, configured to send a power parameter of the E-FACH; the specific structure of the base station may include the device shown in FIG. 3;

[85] a radio network controller, configured to receive a power parameter of the E-FACH sent by the base station, and adjust an E-FACH power according to the power parameter of the E-FA CH; The device shown in Figure 4 can be included.

[86] In summary, in the embodiment of the present invention, the power actually used by the corresponding E-FACH can be known, thereby facilitating operations such as admission control and load control of the wireless communication system.

[87] For example, a user in the CELL-FACH, CELL-PCH, and URA-PCH states that support the E-FACH function is called an E-FACH user. All E-FACH users and HSDPA under the HS-DSCH (High Speed Downlink Shared Channel) digital transmission mechanism

(High Speed Downlink Packet

Access, High Speed Downlink Packet Access) Users can share available power resources.

[88] Based on the foregoing application scenario, if the actual power (corresponding power parameter) used by the corresponding E-FACH is obtained, the E-FACH user is accessed according to the corresponding power parameter. It does not affect the experience of HSDPA users (that is, prioritizes the application of HSDPA users' power resources), and enables E-FACH users to effectively use more resources to expand services in the case of idle power resources, so as to effectively improve resource utilization. rate.

[89] It will be understood by those skilled in the art that the implementation of the processes in the foregoing embodiments may be performed by hardware related to program instructions, and the programs may be stored in a readable storage medium, and the program executes the above-described The corresponding step in the method. The storage medium may be, for example, a ROM/RAM, a magnetic disk, an optical disk, or the like.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of within the technical scope disclosed by the present invention. Changes or substitutions are intended to be included within the scope of the invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

Claim

[1] A method for transmitting channel information, comprising:

Obtaining an enhanced common channel transmission state E-FACH power parameter;

Sending the acquired power parameter of the E-FACH.

[2] The method according to claim 1, wherein the power parameters of the E-FACH include: power used by the control channel and power used by the traffic channel.

[3] The method according to claim 1, wherein the manner of transmitting the power parameter of the E-FACH comprises at least one of the following manners:

Transmitting the power parameter of the E-FACH according to a predetermined period;

Transmitting the power parameter of the E-FACH according to the received request;

The power parameters of the E-FACH are transmitted in accordance with predetermined conditions.

[4] The method according to claim 1, 2 or 3, wherein the transmitting the power parameters of the E-FACH comprises:

The power parameter of the E-FACH is sent by using a measurement message, and the measurement type in the measurement message is a type of the power parameter for reporting the E-FACH.

[5] An apparatus for transmitting channel information, comprising:

a parameter obtaining unit, configured to obtain an enhanced common channel transmission state, a power parameter of the E-FACH, and a parameter sending unit, configured to send the power parameter of the E-FACH acquired by the parameter acquiring unit.

[6] The apparatus according to claim 5, wherein the power parameter of the E-FACH comprises: a power used by the control channel and a power used by the traffic channel.

[7] The device according to claim 5 or 6, wherein the parameter sending unit comprises: a measurement message construction subunit, configured to carry the power parameter of the E-FACH in a measurement message

And the measurement type in the measurement message is indicated as a type of the power parameter for reporting the E-FACH; the measurement message sending subunit is configured to send the measurement message constructed by the measurement message construction subunit

[8] A base station, comprising the apparatus of any one of claims 5-7.

[9] A channel power control method, comprising:

Receiving an enhanced common channel transmission state E-FACH power parameter; The power consumption of the E-FACH is adjusted according to the power parameter of the E-FACH.

[10] The method according to claim 9, wherein the method further comprises:

The entity that notifies the power parameter of the E-FACH is sent a power parameter of the E-FACH according to a predetermined period or a predetermined condition or request.

[11] A channel power control device, comprising:

a parameter receiving unit, configured to receive information about a power parameter carrying an enhanced common channel transmission state E-FACH, and obtain a power parameter of the E-FACH;

a power adjustment unit, configured to: according to the power parameter of the E-FACH obtained by the parameter receiving unit

The power of the FACH is adjusted.

[12] The apparatus according to claim 11, wherein the apparatus further comprises a notifying unit, configured to notify the entity that sends the power parameter of the E-FACH to send the E-FACH according to a predetermined period or a predetermined condition or request. Power parameters.

[13] A radio network controller, comprising the channel power control apparatus according to claim 11 or 12.

[14] A channel power control system, comprising the base station according to claim 8 and the radio network controller according to claim 13, wherein:

The base station is configured to send a power parameter of an enhanced common channel transmission state E-FACH; the radio network controller is configured to receive a power parameter of the E-FACH sent by the base station, and according to the E-FACH The power parameter adjusts the power used by the E-FACH.