Method and device for resource configuration

• US 9,204,400 B2
• Filed: 05/04/2012
• Issued: 12/01/2015
• Est. Priority Date: 11/06/2009
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Xiao, Weimin, Qu, Bingyu, Feng, Shulan, Berggren, Fredrik, Classon, Brian K.
• Primary Examiner(s): Nguyen, Hai V
• Application Number:
  US13/464,474
• Publication Number:
  US 20120238310A1
• Time in Patent Office: 1,306 Days
• Field of Search: 455/522, 370/230
• US Class Current: 1/1
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/003 Arrangements for allocating sub-channels of the transmission path
• CPC Class Codes: H04W 52/16 Deriving transmission power values from another channel
• CPC Class Codes: H04W 52/24 using SIR [Signal to Interference Ratio] or other wireless path parameters
• CPC Class Codes: H04W 52/34 TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading

Abstract

The embodiments of the present invention disclose a method and a device for resource configuration. The method includes: determining an extra resource block existing in a wireless resource, where the extra resource block is a resource that cannot be identified by a long term evolution system; configuring transmission power of a resource element in the extra resource block according to a power configuration rule; and sending a signal on the resource element in the extra resource block according to configured transmission power. With the preceding technical solution, an extra resource block can be used for transmitting a signal, so that a resource utilization rate may be improved.

Claims

1. A method for resource configuration, comprising:

determining an extra resource block existing in a wireless resource, wherein the extra resource block is a resource that cannot be identified by a long term evolution system;

configuring transmission power of a resource element in the extra resource block according to a power configuration rule; and

sending a signal on the resource element in the extra resource block according to the configured transmission power.

2. The method according to claim 1, wherein the power configuration rule comprises that transmission power of a resource element in a data part of the extra resource block is less than or equal to transmission power of a resource element for transmitting a common reference signal in a normal resource block, and transmission power of a resource element in a control part of the extra resource block is less than or equal to the transmission power of the resource element for transmitting the common reference signal in the normal resource block.

3. The method according to claim 1, further comprising:

notifying a terminal of the power configuration rule, which comprises;

notifying the terminal of the following;

an energy of a resource element for transmitting a reference signal in the data part of the extra resource block, or a ratio ρ

_C of the energy of the resource element for transmitting the reference signal in the data part of the extra resource block to an energy of the resource element for transmitting a common reference signal in a normal resource block, or a ratio ρ

_D of the energy of the resource element for transmitting the reference signal in the data part of the extra resource block to an energy of a resource element for transmitting a reference signal in the normal resource block;

or

notifying the terminal of the following;

an energy of a resource element for transmitting a reference signal in the control part of the extra resource block, or a ratio ρ

_G of the energy of the resource element for transmitting the reference signal in the control part of the extra resource block to an energy of the resource element for transmitting a common reference signal in the normal resource block, or a ratio ρ

_H of the energy of the resource element for transmitting the reference signal in the control part of the extra resource block to an energy of a resource element for transmitting a reference signal in the normal resource block, or a ratio ρ

_I of the energy of the resource element for transmitting the reference signal in the control part of the extra resource block to the energy of a resource element for transmitting a reference signal in the data part of the extra resource block;

or

notifying the terminal of the following;

a ratio ρ

_E of an energy of a first resource element in the data part of the extra resource block to the energy of the resource element for transmitting the reference signal in the data part of the extra resource block, or a ratio ρ

_F of an energy of a second resource element in the data part of the extra resource block to the energy of the resource element for transmitting the reference signal in the data part of the extra resource block, or a ratio ρ

_J of an energy of a first resource element in the control part of the extra resource block to the energy of the resource element for transmitting a reference signal in the control part of the extra resource block, or a ratio ρ

_K of an energy of a second resource element in the control part of the extra resource block to the energy of the resource element for transmitting the reference signal in the control part of the extra resource block;

or

notifying the terminal of the following;

a ratio ρ

_L of the energy of the first resource element in the data part of the extra resource block to an energy of a first resource element in the normal resource block, or a ratio ρ

_M of the energy of the second resource element in the data part of the extra resource block to the energy of the first resource element in the data part of the extra resource block, or a ratio ρ

_N of the energy of the first resource element in the control part of the extra resource block to the energy of the first resource element in the data part of the extra resource block, or a ratio ρ

_O of the energy of the second resource element in the control part of the extra resource block to the energy of the first resource element in the data part of the extra resource block.

4. The method according to claim 3, wherein

for different cells, values of the ratios ρ

_C, ρ

_D, ρ

_E, ρ

_F, ρ

_G, ρ

_H, ρ

_I, ρ

_J, ρ

_K, ρ

_L, ρ

_M, ρ

_N, and ρ

_O are different, or

for different terminals, values of the ratios ρ

_C, ρ

_Dρ

_E, ρ

_F, ρ

_G, ρ

_H, ρ

_I, ρ

_J, ρ

_K, ρ

_L, ρ

_M, ρ

_N, and ρ

_O are different, or

for different carriers in the same cell, values of the ratios ρ

_C, ρ

_D, ρ

_E, ρ

_F, ρ

_G, ρ

_H, ρ

_I, ρ

_J, ρ

_K, ρ

_L, ρ

_M, ρ

_N, and ρ

_O are different, or

for different carriers of the same terminal, values of the ratios ρ

_C, ρ

_D, ρ

_E, ρ

_F, ρ

_G, ρ

_H, ρ

_I, ρ

_J, ρ

_K, ρ

_L, ρ

_M, ρ

_N, and ρ

_O are different.

5. The method according to claim 3, wherein

for different cells, values of the ratios ρ

_E, ρ

_F, ρ

_J, ρ

_K, ρ

_M, or ρ

_O are different, and

for different terminals, values of the ratios ρ

_C, ρ

_D, ρ

_G, ρ

_H, ρ

_I, ρ

_L, or ρ

_N are different.

6. A method for resource configuration, comprising:

determining an extra resource block existing in a wireless resource, wherein the extra resource block is a resource that cannot be identified by a long term evolution system;

configuring a receiving power relationship of a resource element in the extra resource block according to a power configuration rule; and

receiving a signal on the resource element in the extra resource block according to the configured receiving power relationship.

7. The method according to claim 6, wherein the power configuration rule comprises that transmission power of a resource element in a data part of the extra resource block is less than or equal to transmission power of a resource element for transmitting a common reference signal in a normal resource block, and transmission power of a resource element in a control part of the extra resource block is less than or equal to the transmission power of the resource element for transmitting the common reference signal in the normal resource block.

8. The method according to claim 6, further comprising:

acquiring the power configuration rule, which comprises;

acquiring an energy of a resource element for transmitting a reference signal in a data part of the extra resource block, or a ratio ρ

_C of the energy of the resource element for transmitting the reference signal in the data part of the extra resource block to an energy of the resource element for transmitting a common reference signal in a normal resource block, or a ratio ρ

_D of the energy of the resource element for transmitting the reference signal in the data part of the extra resource block to an energy of a resource element for transmitting a reference signal in the normal resource block;

or

acquiring energy of a resource element for transmitting a reference signal in the control part of the extra resource block, or a ratio ρ

_G of the energy of the resource element for transmitting the reference signal in the control part of the extra resource block to the energy of the resource element for transmitting the common reference signal in the normal resource block, or a ratio ρ

_H of the energy of the resource element for transmitting the reference signal in the control part of the extra resource block to the energy of the resource element for transmitting the reference signal in the normal resource block, or a ratio ρ

_I of the energy of the resource element for transmitting the reference signal in the control part of the extra resource block to the energy of the resource element for transmitting the reference signal in the data part of the extra resource block;

or

acquiring a ratio ρ

_E of an energy of a first resource element in the data part of the extra resource block to the energy of the resource element for transmitting the reference signal in the data part of the extra resource block, or a ratio ρ

_F of an energy of a second resource element in the data part of the extra resource block to the energy of the resource element for transmitting the reference signal in the data part of the extra resource block, or a ratio ρ

_J of an energy of a first resource element in the control part of the extra resource block to the energy of the resource element for transmitting the reference signal in the control part of the extra resource block, or a ratio ρ

_K of an energy of a second resource element in the control part of the extra resource block to the energy of the resource element for transmitting the reference signal in the control part of the extra resource block;

or

acquiring a ratio ρ

_M of energy of the second resource element in the data part of the extra resource block to the energy of the first resource element in the data part of the extra resource block, or a ratio ρ

_N of energy of the first resource element in the control part of the extra resource block to the energy of the first resource element in the data part of the extra resource block, or a ratio ρ

_O of the energy of the second resource element in the control part of the extra resource block to the energy of the first resource element in the data part of the extra resource block.

9. A device for resource configuration, comprising:

a determining unit, adapted to determine an extra resource block existing in a wireless resource, wherein the extra resource block is a resource that cannot be identified by a long term evolution system;

a configuring unit, adapted to configure transmission power of a resource element in the extra resource block according to a power configuration rule; and

a sending unit, adapted to send a signal on the resource element in the extra resource block according to the configured transmission power.

10. The device according to claim 9, further comprising:

a notification sending unit, adapted to notify a terminal of the power configuration rule.

11. A device for resource configuration, comprising:

a determining unit, adapted to determine an extra resource block existing in a wireless resource, wherein the extra resource block is a resource that cannot be identified by a long term evolution system;

a configuring unit, adapted to configure a receiving power relationship of a resource element in the extra resource block according to a power configuration rule; and

a receiving unit, adapted to receive a signal on the resource element in the extra resource block according to the configured receiving power relationship.

12. The device according to claim 11, further comprising:

a notification acquiring unit, adapted to acquire the power configuration rule.