Method and apparatus for configuring channel resource, base station, and user equipment

Patent metadata

Field	Value
Publication number	US-9565680-B2
Application number	US-201314143960-A
Country	US
Kind code	B2
Filing date	Dec 30, 2013
Priority date	Dec 31, 2012
Publication date	Feb 7, 2017
Grant date	Feb 7, 2017

Abstract

A method and an apparatus for configuring a channel resource, a base station, and a user equipment are disclosed. The method includes: determining load information of a cell; according to the load information, that the cell reaches a congested state, configuring channel resource configuration information for a new user equipment accessing the cell, where the configuration information includes: a first DPCH Pilot bit transmit power offset and/or a first number of pilot bits, the first DPCH Pilot bit transmit power offset is smaller than a power offset configured for a user equipment in a non-congested state, and the first number of Pilot bits is smaller than a number of Pilot bits that is configured for a user equipment in a non-congested state, and sending the configuration information to the new user equipment. The method can improve downlink throughput of the cell and reducing a call drop rate.

First claim

What is claimed is:

1. A method for configuring a channel resource, comprising:
determining, by a base station, load information of a cell;
when it is determined, according to the load information, that the cell reaches a congested state, configuring, by the base station, R99 downlink channel resource configuration information for a new user equipment accessing the cell, wherein the R99 downlink channel resource configuration information comprises: a first dedicated physical channel pilot (DPCH Pilot) bit transmit power offset and a first number of pilot bits; the first DPCH Pilot bit transmit power offset is smaller than a DPCH Pilot bit transmit power offset configured for a user equipment in a non-congested state, and the first number of Pilot bits is smaller than a number of Pilot bits that is configured for a user equipment in a non-congested state; and
sending by the base station, the R99 downlink channel resource configuration information to the new user equipment.

2. The method according to claim 1 , further comprising:
when it is determined, according to the load information, that the cell does not reach the congested state, configuring the DPCH Pilot bit transmit power offset in the non-congested state or the number of pilot bits in the non-congested state for the new user equipment accessing the cell.

3. The method according to claim 1 , wherein the configuring R99 downlink channel resource configuration information for a new user equipment accessing the cell comprises:
configuring, for the new user equipment accessing the cell, a preset DPCH Pilot bit transmit power offset configured for a user equipment in a congested state, or using a DPCH Pilot bit transmit power offset, which is obtained by decreasing at least one step length from the DPCH Pilot bit transmit power offset configured for the user equipment in the non-congested state, as the first DPCH Pilot bit transmit power offset; and
configuring, for the new user equipment accessing the cell, a preset number of Pilot bits that is configured for a user equipment in a congested state, or using a number of Pilot bits, which is obtained by decreasing at least one step length from the number of Pilot bits that is configured for the user equipment in the non-congested state, as the first number of Pilot bits.

4. The method according to claim 1 , wherein when it is determined, according to the load information, that the cell reaches the congested state, the method further comprises:
if a DPCH Pilot bit transmit power offset of a user equipment already accessing the cell is greater than or equal to the first DPCH Pilot bit transmit power offset, decreasing at least one step length from a DPCH Pilot bit transmit power offset of at least one user equipment already accessing the cell; or
if the number of Pilot bits of a user equipment already accessing the cell is greater than or equal to the first number of Pilot bits, decreasing at least one step length from the number of Pilot bits of the at least one user equipment already accessing the cell.

5. The method according to claim 1 , wherein when it is determined, according to the load information, that the cell does not reach the congested state, the method further comprises:
if a DPCH Pilot bit transmit power offset of a user equipment already accessing the cell is smaller than the DPCH Pilot bit transmit power offset in the non-congested state, adding at least one step length to a DPCH Pilot bit transmit power offset; or
if the number of Pilot bits of a user equipment already accessing the cell is smaller than the number of Pilot bits in the non-congested state, adding at least one step length to the number of Pilot bits of the at least one user equipment already accessing the cell.

6. The method according to claim 1 , wherein the determining load information of a cell comprises:
detecting total transmit power of a current cell, detecting transmit power of the R99 channel, and/or collecting statistics about the number of users accessing the cell.

7. A method for configuring a channel resource, comprising:
receiving, by a user equipment, R99 downlink channel resource configuration information sent from a network side device, wherein the R99 downlink channel resource configuration information is configured by the network side device when it is determined, according to load information, that a cell reaches a congested state, the channel resource configuration information comprises: a first dedicated physical channel pilot (DPCH Pilot) bit transmit power offset and a first number of pilot bits, the first DPCH Pilot bit transmit power offset is smaller than a DPCH Pilot bit transmit power offset configured for a user equipment in a non-congested state, and the first number of Pilot bits is smaller than a number of Pilot bits that is configured for a user equipment in a non-congested state; and
adjusting, by the user equipment, a R99 downlink channel resource according to the R99 downlink channel resource configuration information.

8. A base station, comprising:
a processor, configured to determine load information of a cell, and when it is determined, according to the load information, that the cell reaches a congested state, configure R99 downlink channel resource configuration information for a new user equipment accessing the cell, wherein the channel resource configuration information comprises: a first dedicated physical channel pilot (DPCH Pilot) bit transmit power offset and a first number of pilot bits, the first DPCH Pilot bit transmit power offset is smaller than a DPCH Pilot bit transmit power offset configured for a user equipment in a non-congested state, and the first number of Pilot bits is smaller than a number of Pilot bits in a non-congested state; and
a radio transceiver, configured to send the R99 downlink channel resource configuration information to the new user equipment.

9. The base station according to claim 8 , wherein the processor is further configured to: when it is determined, according to the load information, that the cell does not reach the congested state, configure the DPCH Pilot bit transmit power offset in the non-congested state or the number of pilot bits in the non-congested state for the new user equipment accessing the cell.

10. The base station according to claim 8 , wherein that the processor configures the R99 downlink channel resource configuration information for a new user equipment accessing the cell comprises:
configuring, for the new user equipment accessing the cell, a preset DPCH Pilot bit transmit power offset configured for a user equipment in a congested state, or using a DPCH Pilot bit transmit power offset, which is obtained by decreasing at least one step length from the DPCH Pilot bit transmit power offset configured for the user equipment in the non-congested state, as the first DPCH Pilot bit transmit power offset; and
configuring, for the new user equipment accessing the cell, the preset number of Pilot bits that is configured for a user equipment in a congested state, or using the number of Pilot bits, which is obtained by decreasing at least one step length from the number of Pilot bits that is configured for a user equipment in a non-congested state, as the first number of Pilot bits.

11. The base station according to claim 8 , wherein the processor is further configured to: when it is determined, according to the load information, that the cell reaches the congested state, if a DPCH Pilot bit transmit power offset of a user equipment already accessing the cell is greater than or equal to the first DPCH Pilot bit transmit power offset, decrease at least one step length from a DPCH Pilot bit transmit power offset of at l

Assignees

• Huawei Tech Co Ltd

Inventors

• Wang Xiaoxia
• Li Jian

Classifications

• H04W72/52 Primary

  based on load · CPC title

• H04W52/146 Primary

  Uplink power control · CPC title

• H04W52/362

  Aspects of the step size · CPC title

• H04W52/325

  Power control of control or pilot channels · CPC title

• H04W52/343

  taking into account loading or congestion level · CPC title