Abstract: Embodiments of the disclosure provides a pico-base station configuration method and apparatus, a storage medium and an electronic apparatus, and relate to the technical field of wireless network pico-base station technology.

Abstract: The present disclosure relates to an uplink summation method and device, and a distributed antenna system. The method comprises: acquiring uplink CPRI data streams of a channel of an AU or an EU in a system, performing bit width extension on the CPRI data streams, and performing full precision summation; extracting an orthogonal IQ signal in the CPRI data streams after summation, and determining a reference value and a detected value of the IQ signal so as to determine attenuation values corresponding to fast fading and slow amplification of the IQ signal; generating a gain table corresponding to CPRI data according to carrier mapping information of the system and the attenuation values; and shifting the IQ signal in the CPRI data streams according to the gain table, and truncating the shifted IQ signal with a preconfigured bit width.

Abstract: The present disclosure relates to a method, device, and apparatus for time division duplex synchronization for a distributed antenna system, and a medium. The method comprises: decoding a SS/PBCH block from a time division duplex cell, and obtaining an index of the SS/PBCH block; determining, according to the index of the SS/PBCH block, a starting position of a radio frame in which the SS/PBCH block is located; and performing time division duplex synchronization according to the starting position of the radio frame and a preset uplink and downlink configuration of the radio frame.

Abstract: The present application relates to a gain control method and an apparatus, comprising an automatic gain controller. An input power of a PSS in an input signal is detected in real time, a rated power of a downlink PSS that acts as a gain control threshold of the automatic gain controller is acquired, and the automatic gain controller is controlled to adjust a value of gain attenuation according to magnitudes of the input power of the PSS and the rated power of the downlink PSS, which is used to adjust an uplink gain and a downlink gain.

Abstract: The disclosure discloses a method for distributing pilot frequency in a massive antenna system, including: dividing a pilot frequency set into three sub sets that are intersecting with each other, and then dividing the users of each cell into a cell central user and a cell edge user. The cell central users use an intersection set of three pilot frequency sub sets. The cell edge users of all cells use a difference set, an intersection set and a union set of three pilot frequency sub sets according to a certain rule. When it is designing to implement the pilot resource distribution plan of the massive antenna system, three cells that are adjacent with each other in the system are used as a cluster, and a pilot frequency use plan of any one cluster may be designed according to the method proposed by the disclosure, and then the same design plan is applied to other clusters in the system, and then is adjusted according to the user distribution of each cluster and the business distribution circumstance thereof.

Abstract: Disclosed are an authorization management method and system for a signal transmission bandwidth of a DAS communication system. The system consists of an access unit, an extension unit, and a distal unit. The radio frequency access unit is connected to the extension unit. The extension unit is connected to the distal unit. The extension unit mainly implements the extension of a proximal unit port, the extension of a transmission distance, and a transmission bandwidth control function. The distal unit mainly implements the coverage of a radio frequency signal to a specific area. The signal transmission bandwidth of the extension unit is controlled by setting an authorization file formed by authorizing the transmission bandwidth on an extension unit device. When the signal transmission bandwidth configured by a user on the extension unit is not greater than the authorized bandwidth, the configuration becomes effective, and the system performs normal transmission.

Abstract: A method of achieving synchronization management of account information of a World Wide Web (WEB) interface in a multi-system Distributed Antenna System (DAS) is provided, including: a security verification initialization of the WEB interface when a single system device in the multi-system DAS is started, a current user information synchronization of a WEB interface between systems in the multi-system DAS, and a key book synchronization of WEB account information between the systems in the multi-system DAS. With the adoption of the method, synchronization management of the account information of the WEB interface in the multi-system DAS may be achieved, so that a management mode is simplified, and management efficiency is improved, information of a current WEB user is synchronized, integration of WEB user statuses and automatic login of multiple systems are achieved.

Abstract: The present disclosure provides a method for compensating gain flatness of a transceiver including: a method for compensating gain flatness of a receiver, which compensates gain flatness of a receiving channel by using a complex-coefficient FIR filter in digital domain; and a method for compensating gain flatness of a transmitter, which compensates gain flatness of a transmitting channel by using a complex-coefficient FIR filter in digital domain. The method according to the present disclosure can balance compensation accuracy and calculation amount flexibly, and can focus on compensating the gain flatness at an edge of a frequency band, obtaining good performance with less calculation amount.

Abstract: Provided in the present invention is a method for avoiding downlink interference between an indoor DAS system and a small base station, the steps comprising: step 1: determining an initial access RU, and establishing a signal strength table; step 2: the DAS system, by means of the chosen RU, attempts to establish a downlink with UE 1, and detects the signal to interference plus noise ratio (SINR) value of the downlink signal of UE 1, and comparing same with a preset threshold value ?1; step 3: UE 1 maintains one or a plurality of RU downlinks assigned thereto by the DAS system, during the communication process continuously detects an SINR value at a set time interval, and on the basis of whether same is greater than ?1, ensures a corresponding service quality.

Abstract: The present invention provides a method for resisting small base station uplink signal interference of an indoor DAS based on antenna selection. The method comprises: step 1: determining an initial access RU, and establishing an uplink; step 2: determining, by the access RU of UE 1 on the basis of the level of interference, whether to switch to another RU, and continuously detecting, by the access RU of UE 1 an SINR value at a set time interval, and comparing the SINR with a preset threshold value ?1; wherein if the SINR value is lower than ?1, an MU sets the access RU and each peripheral RU as a candidate RU, and the MU, on the basis of the acquired SINR value of each RU, selects an SINR greater than ?1 and sets the RU having the greatest receiving signal power as the new access RU of UE 1.

Abstract: The present invention provides a method for resisting small base station uplink signal interference of an indoor DAS based on antenna selection. The method comprises: step 1: determining an initial access RU, and establishing an uplink; step 2: determining, by the access RU of UE 1 on the basis of the level of interference, whether to switch to another RU, and continuously detecting, by the access RU of UE 1 an SINR value at a set time interval, and comparing the SINR with a preset threshold value ?1; wherein if the SINR value is lower than ?1, an MU sets the access RU and each peripheral RU as a candidate RU, and the MU, on the basis of the acquired SINR value of each RU, selects an SINR greater than ?1 and sets the RU having the greatest receiving signal power as the new access RU of UE 1.

Abstract: Provided in the present invention is a method for avoiding downlink interference between an indoor DAS system and a small base station, the steps comprising: step 1: determining an initial access RU, and establishing a signal strength table; step 2: the DAS system, by means of the chosen RU, attempts to establish a downlink with UE 1, and detects the signal to interference plus noise ratio (SINR) value of the downlink signal of UE 1, and comparing same with a preset threshold value ?1; step 3: UE 1 maintains one or a plurality of RU downlinks assigned thereto by the DAS system, during the communication process continuously detects an SINR value at a set time interval, and on the basis of whether same is greater than ?1, ensures a corresponding service quality.