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Three-cell blind interference suppression method based on energy efficiency priority

A three-cell, blind interference technology, applied in the direction of reducing energy consumption, baseband system components, and shaping networks in transmitters/receivers, can solve problems such as increasing system overhead, reduce system overhead, improve energy efficiency, algorithm low-complexity effects

Inactive Publication Date: 2013-12-11
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0007] However, the main disadvantage of the existing multi-cell interference suppression scheme is that the transmitter needs to establish a feedback channel to transmit channel information, which will increase the system overhead

Method used

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  • Three-cell blind interference suppression method based on energy efficiency priority
  • Three-cell blind interference suppression method based on energy efficiency priority
  • Three-cell blind interference suppression method based on energy efficiency priority

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Embodiment

[0177] figure 2 It is a schematic diagram of the system configuration in the embodiment of the present invention. Such as figure 2 As shown, in this embodiment, base station A is configured with 3 transmitting antennas, and each antenna is switched for transmission every moment; Switching is performed at two times; base station C is configured with 3 transmitting antennas, without inter-antenna switching; users are configured with 3 receiving antennas, and when the number of antennas of base stations A, B, and C and the number of antennas of each user are different from this example, they can also be similar processing is universally representative. Table 2 is a table of data transmission schemes of the base station in this embodiment.

[0178]

[0179] Table 2

[0180] Each base station sends data to user a, user b, and user c respectively according to the above data transmission scheme, and each user receives the signals sent at each sending time in turn, and recovers...

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Abstract

The invention discloses a three-cell blind interference suppression method based on energy efficiency priority. All base stations of three cells adopt different data transmission schemes, and two of the base stations use a part of antennas for switching transmission; according to the same antenna and by utilizing the transmission characteristic that signals at adjacent transmission moments in a slowly changing channel have high correlation, interference can be removed under the condition that a transmitting end does not know any MIMO channel matrix information disturbing users and data information disturbing the users by means of performing corresponding receiving processing at a receiving end. The three-cell blind interference suppression method based on energy efficiency priority is used for three adjacent cells, and lowers circuit energy consumption of a feedback link by removing the feedback link under the condition of guaranteeing that transmission error codes are within an acceptable range, thereby improving system energy efficiency.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and more specifically relates to a three-cell blind interference suppression method based on energy efficiency priority. Background technique [0002] Today, with the awareness of energy conservation and environmental protection gradually gaining popularity, green and energy efficiency have become an important basis for technological development in the IT field. Different from the pursuit of higher and faster data transmission capabilities in traditional wireless communications, green communications cover two aspects: energy conservation and environmental protection. Green communication is mainly based on the characteristics and goals of the communication system, effectively using resources such as time, space, spectrum, energy and facilities, and aiming at reasonable and effective application requirements to reduce energy consumption, reduce emissions, avoid electromagnetic pollut...

Claims

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Application Information

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IPC IPC(8): H04L25/03H04L25/02H04W52/02
CPCY02D30/70
Inventor 水天运方舒吕卓然李亚麟吕玲王勇葛兴敏
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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