Transmitting and receiving data based on multipath

• US 9,420,516 B2
• Filed: 09/27/2013
• Issued: 08/16/2016
• Est. Priority Date: 09/29/2012
• Status: Active Grant

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Guo, Chang Jie, Lin, Hongbin, Ma, Qian, Wang, Qing, Xie, Su Su, Yang, Lin, Zhang, Ji Zheng
• Primary Examiner(s): Zhao, Wei
• Application Number:
  US14/039,730
• Publication Number:
  US 20140092887A1
• Time in Patent Office: 1,054 Days
• Field of Search: 370/338
• US Class Current: 1/1
• CPC Class Codes: H04L 45/121 by minimising delays
• CPC Class Codes: H04L 45/24 Multipath
• CPC Class Codes: H04L 47/29 using a combination of thresholds
• CPC Class Codes: H04L 47/50 Queue scheduling
• CPC Class Codes: H04L 69/324 in the data link layer [OSI layer 2], e.g. HDLC
• CPC Class Codes: H04W 40/08 based on transmission power
• CPC Class Codes: H04W 40/12 based on transmission quality or channel quality
• CPC Class Codes: H04W 40/14 based on stability
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]
• CPC Class Codes: Y02D 30/00 Reducing energy consumption in communication networks
• CPC Class Codes: Y02D 30/70 in wireless communication networks

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.

Claims

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.