Transmitting and receiving data based on multipath

Patent metadata

Field	Value
Publication number	US-9420516-B2
Application number	US-201314039730-A
Country	US
Kind code	B2
Filing date	Sep 27, 2013
Priority date	Sep 29, 2012
Publication date	Aug 16, 2016
Grant date	Aug 16, 2016

Abstract

Methods, apparatuses and systems for transmitting and receiving data based on multipath for transmitting data based on multipath include: establishing WiMAX connection-based multiple paths between a first device and a second device; transmitting data frames in a data queue in the multiple paths; obtaining the quality condition of the multiple paths; and based on the quality condition, adjusting the transmission of the data frames in the data queue in the multiple paths. According to one aspect, there is provided a method for receiving data based on multipath, which includes: establishing WiMAX connection-based multiple paths between a first device and a second device; receiving a plurality of data frames in the multiple paths; processing the received plurality of data frames based on quality condition of the multiple paths. There are further provided corresponding apparatuses and systems.

First claim

The invention claimed is:

1. A method for transmitting data based on multipath, comprising:
establishing Worldwide Interoperability for Microwave Access (WiMAX) connection-based multiple paths between a first device and a second device;
transmitting data frames in a data queue in the multiple paths;
obtaining a quality condition for the multiple paths; and
adjusting the transmission of the data frames in the data queue across the multiple paths based on the quality condition, the adjusting further comprising:
balancing transmission traffic in each of the multiple paths in response to the quality condition of at least one of the multiple paths satisfying a second threshold range, wherein the second threshold range is a range of values associated with the quality condition the balancing further comprising:
predicting power consumption for transmitting one data frame in each of the multiple paths; and
transmitting the data frame in a path corresponding to a minimum power consumption.

2. The method according to claim 1 , wherein the method is implemented on the top of a Medium Access Control (MAC) layer.

3. The method according to claim 1 , wherein the adjusting the transmission of the data frames in the data queue in the multiple paths based on the quality condition comprises:
in response to the quality condition of each of the multiple paths, satisfying a first threshold range, transmitting same data frames in the data queue in each of the multiple paths;
wherein the first threshold range is a range of values associated with the quality condition.

4. The method according to claim 1 , wherein the balancing the transmission traffic in each of the multiple paths comprises:
predicting a predicted completion time that is spent in transmitting one data frame in each of the multiple paths; and
transmitting the data frame in a path corresponding to a shortest predicted completion time.

5. The method according to claim 1 , wherein the quality condition is any one or combination of: Block Error Rate, Quality of Service Indicator and Channel Quality Indicator.

6. The method according to claim 1 , wherein the first device and the second device are a base station and an access device, respectively.

7. A method for receiving data based on multipath, comprising:
establishing Worldwide Interoperability for Microwave Access (WiMAX) connection-based multiple paths between a first device and a second device;
receiving a plurality of data frames in the multiple paths; and
processing the received plurality of data frames based on quality condition of the multiple paths, wherein transmission of the received plurality of data frames in a data queue is adjusted across the multiple paths for receiving balanced transmission traffic based on the quality condition, the transmission traffic being balanced by:
predicting power consumption for transmitting one data frame in each of the multiple paths; and
transmitting the data frame in a path corresponding to a minimum power consumption.

8. The method according to claim 7 , wherein the method is implemented on a Medium Access Control (MAC) layer.

9. The method according to claim 7 , wherein processing the received plurality of data frames based on the quality condition of the multiple paths comprises: for the plurality of data frames,
in response to the quality condition of each of the multiple paths satisfying a first threshold range, selecting correct data frames from the multiple paths;
wherein the first threshold range is a range of values associated with the quality condition.

10. The method according to claim 7 , wherein the processing the received plurality of data frames based on the quality condition of the multiple paths comprises: for the plurality of data frames,
in response to the quality condition of at least one of the multiple paths satisfying a second threshold range, connecting the plurality of data frames according to frame serial numbers or timestamps in the plurality of data frames, wherein the second threshold range is a range of values associated with the quality condition.

11. The method according to claim 7 , wherein the quality condition is any one or combination of: Block Error Rate, Quality of Service Indicator and Channel Quality Indicator.

12. The method according to claim 7 , wherein the first device and the second device are a base station and an access device, respectively.

Assignees

• IBM

Inventors

• Guo Chang Jie
• Lin Hongbin
• Ma Qian
• Wang Qing
• Xie Su Su
• Yang Lin
• Zhang Ji Zheng

Classifications

• Y02B60/50

  Cross-Sectional Technologies · mapped topic

• H04L45/121

  by minimising delays · CPC title

• H04W40/08

  based on transmission power · CPC title

• H04W40/12 Primary

  based on transmission quality or channel quality · CPC title

• Y02B60/42

  Cross-Sectional Technologies · mapped topic