A method and client terminal for realizing inter-frequency point networking
A technology for inter-frequency point networking and client terminals, which is applied to the method and client terminal, realizes the field of inter-frequency point networking, and can solve problems such as failure to report the signal strength of the main frequency point of adjacent cells, and inability to realize inter-frequency point networking, etc.
Active Publication Date: 2018-09-04
CHINA MOBILE GRP GUANGDONG CO LTD
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Problems solved by technology
[0012] The technical problem to be solved by the present invention is to provide a method and a client terminal for realizing inter-frequency point networking, which are used to solve the problem that in the prior art, the UE does not report the signal strength RSRP of the main frequency point of the adjacent cell during the random access process. Defects that make it impossible to realize inter-frequency point networking
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[0027] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.
[0028]To solve the problems of the prior art, good system performance must be obtained by inter-frequency networking.
[0029] Inter-frequency point networking, if the UE can report the signal strength (RSRP) of the main frequency point of the adjacent cell, or report the main frequencies with the weakest or strongest RSRP of the adjacent cell, the UE can choose the frequency with less interference accordingly. Points for resource allocation, thereby reducing interference. In an application scenario, the LTE network is a 3-frequency inter-frequency network, with a total of 4 cells, and their respective main frequency points and auxiliary frequency points are distributed as follows:
[0030] community
main frequency point
Auxiliary frequ...
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An embodiment of the invention provides a method for implementing different frequency point networking and a client terminal. The method comprises the steps of using a first number of bits in an LTE network main information block for recording a first variable newly added, and using a second number of bits for recording a second variable; using a third number of bits in random values of a wireless resource control protocol connecting request for recording third and fourth variables newly added, the third and fourth variables recording at least one piece of frequency point information consisting of the weakest / strongest adjacent cell main frequency RSRP; and an eNode B selecting an auxiliary frequency from auxiliary frequencies of a main cell for different frequency point networking with a main frequency of the main cell, the auxiliary frequency suffering minimum interference from the adjacent cell main frequency RSRP recorded in the frequency point information. The adjacent cell main frequency RSRP required for different frequency point networking is recorded in a data structure variables and reported to the eNode B at a network side so that the network side can select the auxiliary frequency for networking with the main cell main frequency.
Description
technical field [0001] The present invention relates to long-term evolution network technology, in particular to a method for realizing inter-frequency point networking and a client terminal. Background technique [0002] The initial random access process of a client terminal (UE) in a Long Term Evolution (LTE, Long Term Evolution) network is as follows: figure 1 shown, including: [0003] In the first step, according to the agreement, the LTE cell has a total of 64 preamble sequences (Preamble) for random access, which belong to Group A and Group B respectively. The UE first selects Group A or Group B according to the parameter indication in the SIB2 message, and then randomly selects a Preamble from the selected Group according to a specific equation with equal probability. Channel) to send Preamble. [0004] In the second step, the UE monitors the Random Access Response (RAR, Random Access Response(s)) on the PDCCH. When the UE successfully receives the RAR, the RAR co...
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IPC IPC(8): H04W74/08H04W24/10
Inventor 许时彰
Owner CHINA MOBILE GRP GUANGDONG CO LTD