TWI355160B - Apparatus, system, and method for autonomously man - Google Patents

Description

1355160 IX. INSTRUCTIONS: CROSS-REFERENCE TO RELATED APPLICATIONS This application claims priority to the following U.S. Provisional Application: U.S. Provisional Application No. 6/479,252, filed on June 16, 2003, entitled "Reverse Method and apparatus for decentralized control of link communication load scheduling", and U.S. Provisional Application Serial No. 60/480,155, filed on June 19, 2003, entitled "For Reverse Link Communication Traffic Scheduling" The method and apparatus for decentralized control are incorporated herein by reference in their entirety. TECHNICAL FIELD OF THE INVENTION The present invention relates to a communication system, and more particularly to a device, system and method for managing reverse link (uplink) communication in a communication system. Technology] Many wireless communication systems use geographically dispersed base stations to provide communication cells or areas. A servo base station provides communication services for mobile stations in the second area of the servo base station. In some cases, the reverse link signal transmitted from each mobile station to a base station interferes with other mobile stations. (4) Other reverse link signals 1 are interference and limited resources, so each base is used. The capacity of the station. - The reverse link capacity of the base station will be affected by the reverse link load caused by the mobile station of the base station, and the other base: = the light and reverse reverse link load caused by the mobile station, and its miscellaneous The impact of the source. Reverse link load scheduling provides a mechanism to maximize the efficient use of system resources by controlling the transmission of the mobile station. In the traditional pass: 93996.doc 1355160 1 system, the central controller evaluates the reverse link load and the reverse link to lightly combine the other factors I' to determine the appropriate load schedule. However, for most physical applications, the mobile station is controlled by a single-base station to reduce scheduling delays, although reverse link transmission may affect other base stations. However, traditional systems are limited in several ways. For example, communication with the disk center controller can cause significant delays. Transfer the _ collected by each base station to the controller. The central controller processes the information, determines the optimal load capacity for the parent base station, and transmits the optimal load capacity to each base station. The base station limits the communication of the mobile station it is servicing based on the updated load capacity provided by the controller. However, the channel conditions often change during the time required to transmit, process, and receive the optimal load capacity. Due to &amp;, the base station may operate at a level that is distinct from the best level, resulting in unused resources or overload conditions. For example, an overload condition may occur in situations where a base station operating according to the latest optimal capacity information provided by the controller may overload another base station that is attempting to operate near its maximum capacity because The delay in the system makes the information transmitted to the base station unable to reflect the new channel status. The overload condition causes data loss, message retransmission and other adverse consequences. / /, there is a need for an apparatus, system and method for efficiently configuring reverse channel resources in a communication system having geographically dispersed base stations. SUMMARY OF THE INVENTION The present invention provides an apparatus, system and method for managing reverse link communication in a decentralized base station communication system. In the exemplary embodiment of the present document 93996.doc 1355160, the reverse link communication is distributedly managed by a base station within the communication system. Because the reverse link management does not rely on communication with the central controller, delays associated with conventional techniques for managing reverse bond channels can be avoided. In the first exemplary embodiment, a non-servo base station determines a coupled load indicator caused by the mobile station based on the light load parameter detected by the non-lexical base station, and the mobile station has Another base station is identified as a base station. The uncovering load parameters are parameters that provide an indication of the light load that the non-lexical base station is subjected to, and may include parameters such as normalized and average received signal to noise ratio (SNR) and mobile station speed. The second light load indicator based on the surface load parameter is forwarded to the servo base station. The base station calculates the expected combined load at the non-feeding base based on the load-carrying indicator and the mobile station transmission parameters such as the scheduled transmission data rate. The estimated consumption and negative g are transferred to the non-service base station, where the non-service base station calculates the available capacity by considering the expected light and negative load. Load scheduling of the mobile stations that are not served by the base station is based on the calculated available capacity. In the second exemplary embodiment, a non-lexical base station calculates the maximum allowable light load caused by the mobile station scheduled by the other base station. The non-servo base station determines that the non-serving base station is identified as a servo base station by each of the other base stations according to the light-weighted load parameters (such as normalized and average received signal to noise (SNR)). Caused by the mobile station - light load indicator. In the second exemplary embodiment, the maximum allowable light load associated with the non-servo base station is forwarded to the servo base station every 16 and the scheduling period and the mobile station is moved at a relatively low frequency. Measurement 93996.doc 1355160 Light load is transferred to the servo base station. Since the servo base station under consideration is also a non-feeding base station for some other base stations, the servo base station can also determine the maximum allowable light load from the mobile stations served by other base stations. The base station performs load scheduling based on the maximum allowable light-weight load reserved for the platform not scheduled by the base station, while satisfying the constraints imposed by the maximum allowable coupling load received from other base stations. In the third exemplary embodiment of the present invention, the estimated base unit is based on the estimated reverse link caused by the reverse link transmission of the mobile station served by the other base station (4) mobile station &amp; The knot transmission is scheduled. Each base station is estimated to be caused by a mobile station that is being served by other base stations: the coupled load is expected. According to the estimated coupled load and the capacity of the base station, the base station performs load scheduling on the mobile station that the base station is servoing. Thus, in the third exemplary embodiment, the base station does not receive explicit or direct-load information from other base stations. Therefore, the third specific embodiment is particularly useful in the case where the backhaul line (baekhaui) does not support coupled load information communication between the base stations. Although any of several techniques may be employed to calculate the estimated coupled load&apos; but in the third exemplary embodiment, the estimate is based on the previous reverse link transmission of the mobile station. Each base station measures the coupled load from a mobile station not scheduled by the base station based on the actual transmission rate and the measured SNR. The previously measured coupled load is fed to a statistical function that estimates the expected coupled load during the next scheduled transmission. Statistical functions rely on correlations that can be modified appropriately in certain situations. It is expected that the "blind" decision of the combined load within a certain limit can be determined by the available capacity of the base station for scheduling the mobile station's servo station 93996.doc 1355160. [Embodiment] FIG. 1 is a communication system for providing wireless communication services to mobile stations 110, 112, 114 using geographically dispersed base stations 102, 104, 1, 6, and 8 in accordance with an exemplary embodiment of the present invention. 1〇〇 block diagram. 2 is a portion 200 of a communication system 100 in which a single mobile station 2〇2 communicates with a base station (1〇2 to 1〇8), which serves as a servo base station 2行动4 of the mobile station 2〇2. And non-servo base station 206. At any given time, a base station (1〇2 to 1〇8) can be used as a special base station (110 to 114) of the servo base station 204 or the non-servo base station 206 or can directly perform any action for action. The function of the station (11〇 to 丨14). Based on clear considerations, Fig. 1 shows four base stations 1, 2, 4, 4, ι, 6, and 8 and two mobile stations 11, 、, 112, and 114. The communication system can include any number of base stations (102 to 108) and mobile stations (11 to 114) as well as other communication devices. In the exemplary embodiment, communication system 1 utilizes a coded multi-directional proximity (CDMA) communication technology to provide a cellular communication system for voice and data services. Various other types of communication systems 100 suitable for use in the present invention are readily apparent to those skilled in the art from a. Each base station 102, 104, 106, 108 provides wireless communication services to a coverage area 116, 118, 120, 122 or a mobile station (11, 112, 114) in the cell. The coverage areas 116-120 overlap such that the mobile stations 11A-114 can communicate with more than one base station 102-108 at any one time. If the mobile stations 110 to 114 are located in the coverage area of a base station 102 to 108, the mobile stations 110 to 114 can identify the base stations 102 to 108 as an active base 93996.doc • 10·1355160. However, as discussed in further detail below, only one base station (丨〇2 to 108) can be used as a servo base station 204 for a particular mobile station 202 (110 to 114) for data communication. A servo base station 204 is a base station that schedules subsequent transmissions of the mobile station 2〇2. 1 includes exemplary shapes surrounding servo bases 116, 118, 120, 122 around each of base stations 102-102, wherein base stations 102-108 are most likely to be used in servo areas 116-122 for mobile station 202. (1 10 to 114) servo base station 204. Each of the mobile stations 110-114 maintains a set of active base stations in memory, wherein members of the set of active base stations communicate via a communication link that meets the required criteria. - Examples of methods suitable for selecting active base stations (1〇2 to 1〇8) of mobile stations 110 to 114, 202 include: transmitting from base stations 102 to 108 when received at stations 110 to 114 at sufficient levels The signals are identified as a base station 02-2 to 204) 204, 206. In these exemplary embodiments, the active base stations (1〇2 to 1〇8) 2〇4, 206 are selected based on the received signal strengths of the preamble signals transmitted from the base stations 102 to 108, 204, 206. In some cases, other techniques may be used to select active base stations (102 to 108) 204, 206. The active base stations (1 to 2 to 108) 204, 206 provide communication services to the mobile stations 110 to 114, 202, wherein the quality of service and the data rate vary between the base stations 102 to 108 for various reasons. In the exemplary embodiment, one of the active base stations (1〇2 to 1〇8) is selected as a servo base station 204 for communicating information other than voice information. The servo base station 204 can be selected using any of several techniques. The servo base station 204 can be based on a forward communication link 21 (from base station 1〇2 to 1〇8 (2〇4) to mobile stations 110 to 114 (202)), and a reverse communication link 212 (from the mobile station) 11〇93996.doc 1355160 to 114 (202) to base station 1〇2 to 1〇8 (2〇4)) or reverse and forward communication links 212, 2Η are selected. For example, the quality of the forward and reverse link channels 2iq, M2 can be determined by measuring the carrier-to-interference ratio of the channel. In the exemplary embodiment, the information contained in a reverse key channel quality indicator channel can be used to identify the servo base station 204 and be identified by the R-CQICH channel. The servo base station 2() 4 performs various tasks by arranging the grant, for example, the data transmission rate of the data is set, and the pure SNR of the reverse link preamble is above the threshold value by transmitting the power control command, thereby responding Communication from the mobile station 2〇2 that is being servoed. In addition, under the mixed ARQ situation, the ship base station 204 decodes the transmission from the mobile station 2〇2 and transmits the response 'in the soft handover (four) T, the non-servo base station can also decode a transmission and transmit An ACK. The closed shape representing the covered area in FIG. 1 may define exemplary geographic servo areas 116-122, where the mobile stations 110- 1 within the areas ι 6 through 122 will likely have sufficient communication with the corresponding base stations 1〇2-108 In order to identify a specific base station 1〇2 to 1〇8 as a servo base station 204. However, other base stations (1〇2 to 1〇8) can be used as active base stations of the mobile stations 110 to 114, 202 ( 102 to 1〇8) 2〇6. Therefore, as shown in FIG. 1, the first mobile station 110 is in the first servo area 116 provided by the first base station 1〇2, and the second mobile station 112 is provided in the second base station 1〇4. In the second servo area 118, the third mobile station 114 is in the second servo area 129 provided by the third base station 1〇6, and the fourth base station log provides a fourth servo area 122. Figure 3 is a block diagram of a base station 3 in accordance with an exemplary embodiment of the present invention. The exemplary base station 300 is suitable for use as a reference to the bases 93996.doc 12 1355160 platform legs 8 , 204 , 206 described with reference to Figures 1 and 2 . The base station 3 can include any combination of hardware, software, and carousel that performs the functions of the base stations 1〇2 to 1〇8. The functions and operations of the blocks described in Figure 3 can be implemented in any number of components, circuits or software. Two or more functional blocks can be integrated into a single component, and T can be implemented through a number of components to perform the functions performed in any single component or block. For example, some receiving processing can be performed by the processor class. The base station includes a radio transceiver 3〇2 configured to communicate with the mobile stations 110-114 in accordance with a protocol of a particular communication system. The RF signal can be exchanged via antenna 308 (which may include sectors in some cases 7). The radio transceiver 302 modulates, amplifies, and transmits signals through the forward link channel 212 and receives and demodulates the reverse link signals transmitted by the mobile stations 110-114 through the forward link channel 21'. The processor 304 is any processor, microprocessor, computer 'microcomputer or combination of processors suitable for performing the control and computing functions of the base station 3 described herein and for facilitating the overall functionality of the base station 300. The software code running on processor 〇4 may perform the steps of a method for measuring and processing signals and performing the reverse link management function of an exemplary embodiment. The back-to-back line interface 306 provides an interface to the backhaul line 2〇8 of the communication system 1〇〇. The backhaul line interface 306 includes hardware and software for exchanging signals through the backhaul lines 2〇8. Processor 304 transmits information to and receives information from controllers and other base stations 102-108 via backhaul line interface 306. 4 is a block diagram ' and FIG. 5 is a table 5 illustrating an exemplary relationship between the mobile stations 11A to 114 and the base stations 1〇2 to 1〇8 according to an exemplary embodiment of the present invention. 93096.doc 13 1355160 00 » In FIG. 4, the base stations i〇2 to 1() 8 are connected to the solid line table 202 (one of 11〇 to π 4) of the mobile station u 〇 to 114 and its corresponding servo base station 204 (102) The connection between one to 108) and the dashed line indicate the connection between the mobile station 202 (one of 110 to 114) and its non-servo active base station 2〇6 (one of 1〇2 to 1〇8). As described herein, the non-servo active base station 2〇6 (1〇2 to 1 08) is the base station 300 identified by the active base station group of the mobile station 202 that is not the servo base station 204. In the exemplary scenario t' illustrated in Figures 4 and 5, each of the mobile stations 110-114 maintains a set of active base stations including servo base stations corresponding to the servo areas 116-122 including the mobile stations 110-114. 204 and other base stations (102 to 108) that are non-servo active base stations (丨〇2 to Mg). Thus, for the exemplary scenario, each of the mobile stations 11A through 114 maintains all of the base stations 102 through 1-8 as active base stations. A mobile station that is far away from a base station may not hold the base station in the active base station, and will not identify the base station as a non-servo base station of the mobile station, even if the base station may Receive reverse casting interference from the mobile station. The base station only considers the mobile station with sufficient signal strength and its processed transmission. Temporarily highlighting a single mobile station 11〇, the first base station 1〇2 is the feeding base station 2〇4 of the first mobile station 110, 202, and the second base station, the first base station 106, and the fourth base station 1 〇8 is used for the non-servo base station 2'' of the first mobile station 110'202. Therefore, the reverse link transmission of each of the mobile stations 11A to 114 is received at each of the base stations 1-2 to 108, although In this example, for any of the determined mobile stations 11A to 114, only one base station 1〇2 to 108 is used as the servo base station 2〇4 and the other base stations are used as the non-servo (active) base station 206. As a result, the reverse link load experienced at the base station 102 is coupled to the load coupled to the link due to the base reverse link load and the other action coupled load. Figure 6 of the transmission of the stations 112, 114 of the mobile station 110 served by the station 102 illustrates the reverse link load and reverse chain at the base station 1〇2 according to an exemplary embodiment of the present invention. An exemplary distributed load pie chart of the junction light load. The sectors 602 through 608 of the load pie chart represent the combined reverse link negatives produced by the mobile stations 110 through m that can be measured or simulated for the exemplary situation. At any base station ι〇2 to (10), the total combined reverse link load can be generated from the transmission of the mobile station ιι〇 to ιΐ4, where each part of the reverse link load is bound (6〇2 to 6〇8) ) is caused by a specific type of mobile station (10) to 114). The load portion _ to 6 〇 8) may include a non-servo light load portion (4), a feed non-single-load portion 〇4 servo single portion 606 and an unoccupied coupling load portion 608. The non-word-to-face load portion 602 includes: other base stations 002 to 1〇8 including the base stations (102 to 108) but the base stations 2 to 1 8 in the active base station group. The coupling caused by all the action stations (110 to m) caused by the reverse, chain load. Therefore, the mobile stations 110 to 114 causing the non-servo coupled load portion 6〇2 have not yet identified the base station (1〇2 to 1〇8) as the servo base station 204. The non-single load portion 604 includes the base station (丨〇2 to 1〇8) Servo but in its active base station list, including other base stations (1〇2 to Kg), 1 has a leased reverse link load of the mobile stations 110 to 114, thus causing non-single The mobile station η 〇 to 114 of the servo load portion 004 has identified the base station (1 〇 2 to 1 08) as a servo base station but also identifies other base stations (1 〇 2 to 1 〇 8) 93096.doc -15 - 1355160 is a non-servo active base station. The single servo load portion 60A includes a combined reverse link load of all of the mobile stations served by the base stations (102 to 1.8), wherein the base stations (1, 2, 1 and 8) are any of the mobile stations 110 to 114. The only base station in the active base station group. The unoccupied load portion 608 includes all other reverse link signals and noise that cause the total reverse link load that is not included in any of the other load portions 602, 604, 606. Examples of sources that can cause unoccupied load portions 6〇8 include reverse link transmissions generated by a mobile station that does not include a base station but is sufficiently close to the base station to cause a total coupled load. Such a mobile station is too far away, so that g does not have enough communication links with the base station, so that the base station cannot be included in the active base station group, but the negligible share of these mobile stations is large enough. Part of the reverse link capacity. In most cases, the relative extent of load portions 602 through 608 will change over time as channel conditions often change. The changing channel conditions may be due to several factors 'such as the motion of the mobile stations 1 i 〇 to ii 4, the movement of the obstacles, or the unloading of the mobile station 11 due to the serious inconsistency in the distribution of the mobile stations 11 〇 to 114 114 and transfer the mobile station between the base stations. ¥ When the combined load of some 602 to 608 exceeds the capacity of the base station from 1〇2 to 1〇8, the service quality (QoS) of the mobile station is affected, the system becomes slightly unstable, and the coverage of the cell is reduced, resulting in The call is disconnected. In the case where the load is less than the capacity of the mobile stations 102 to 108, if the data rate is not adjusted according to the requests of the mobile stations 110 to 114, invalid use of resources may occur. According to an exemplary embodiment, the reverse link communication is managed by the base station 102 to effectively configure the reverse link resource to the line * 93996.doc • 16· 1355160 units no to ι 4 (loading it) schedule). The reverse link resources include, for example, the data rate and power level at which the load is applied to the base stations 102-108. Figure 7 is a block diagram of a portion 700 of a k-system 100 for providing communication services to a mobile device 110 using a geographically dispersed base station 1() 2 to 1()8 in accordance with a first exemplary embodiment of the present invention. In most cases, the first 100 includes a number of strategically located base stations 7〇4, 7〇6 that provide wireless communication services to a plurality of mobile stations 702. Depending on the quality of the communication channel between the mobile station 7〇2 and the base station (704, 706), the mobile station 7〇2 can communicate with more than one base station (7〇4, 7〇6) at any given time. As noted above, each of the test stations 702 maintains a set of active base stations, wherein the communication link between the mobile station 7〇2 and the active base stations 704, 706 is sufficient for communication. In the active base station, one base station is used as the servo base station 704 and the other base stations in the activity group are non-servo base stations 7〇6. Such situations typically occur during soft handover, where a single base station performs the function of a servo base station 7〇4 and one or more of its base stations are non-servo active base stations 7〇6. If the conditions permit, the role of the servo base station 704 can be transferred to the base station that was previously used as the non-servo active base station 706 (i.e., soft handoff occurs). Based on the π Chu considerations, Fig. 7 includes blocks representing the mobile station 7〇2 and the two active base stations 704, 706 (including the servo base station 7〇4 and the non-servo base station 7〇6). Those skilled in the art will appreciate from the principles and well-known techniques that base station 300 can be used as a servo base station 7〇4 for many mobile stations 7〇2 and that any one mobile station 702 can maintain any number of active bases. Taiwan 7〇4, 7〇6. Because of this, the principles described herein can be extended to any number of mobile stations 7, 2, servo base stations 704, and non-servo base stations 7〇6. As discussed in further detail below, 93996.doc -17- 1355160 other base stations may not have a sufficient quality communication link with the mobile station to become the active base station, but may cause any active base station 7〇4 7〇6 The load carrying base station 704 may be the first base station 102, the second base station 1〇4, or the third base station 1〇6 described above with reference to (1). The feeding base station 704 can also be used as a non-spoken base station 706 of another mobile station (not shown in FIG. 7), and the non-feeding base station 7〇6 can be used as other mobile stations (not shown in FIG. 7). Transfer to base station 7 () 4. Therefore, base stations 1〇2 to (10) can be used simultaneously as the base stations of certain mobile stations 7〇2 and non-lexical base stations of other mobile stations. Therefore, in most cases, the functions described herein for each base station 7〇4 are performed simultaneously by other base stations. In the first non-standard embodiment, the base station 300 used as the non-servo base station collects the load 712 from another base station 3〇〇2 used as the feeding base station 7〇4. The decision-available capacity is determined, wherein the expected face load 712 indicates the expected coupled load generated by the reverse link transmission 21 of the turret 702 served by the servo base station 7〇4 at the non-servo base station 7〇3. The servo base 704 uses the coupled load indicator 710 received from the non-servo base station 7〇6 and the parameters associated with the next scheduled data transfer rate to determine the expected coupled load 712. If there are multiple servo stations 7 〇 4 servos and including non-servo base stations 706 as non-servo base stations, it is expected that the coupled load 712 may be based on the expected coupled load 712 and schedule transmission data. The rate is the sum of the expected combined loads determined by each mobile station. The non-servo base station 706 receives and processes the reverse link transmission 210 of the mobile station 702 to determine one or more coupled load parameters a, such as a normalized and averaged signal-to-noise ratio (SNR). Another example of coupled load parameters is the speed of the mobile station 93996.doc • 18-1355160 702. Based on the coupled load parameters, the non-servo base station calculates the coupled load indication, and the combined load indicator 71 is forwarded to the servo base station 704. The servo base station 704 uses the coupled load indicator 7ι and the transmission parameters of the mobile station 702 to determine the expected surface load at the non-servo base station. It is expected that the coupled load will be the coupled reverse link load that will occur at the non-servo base station 7〇6 due to the expected future reverse link transmission of the mobile station. The servo base station 704 forwards a value indicative of the expected coupled load 712 to the non-serving base station 706. The non-servo base station 7〇6 calculates the estimated available capacity at the non-servo base station 7〇6. Using the estimated available capacity, the non-servo base station 706 manages the other actions served by the non-servo base station 7〇6 by performing appropriate = loading schedules on other mobile stations (not shown) that are being servoed. The reverse link transmission of the station. In the case where there is more than one mobile station 7〇2, the non-servo base station 706 measures and calculates the coupling negative intercept indicator 71 of each of the mobile stations 702 that holds the non-servo base station 7〇6 in the active group. The transfer of the coupled load indicator 710 to each of the servo base stations 7〇4 associated with the mobile station 702 that identifies the non-servo base station 7〇6 as the active base station. In the first exemplary embodiment, the coupled load indicator 71 is the energy-to-cell interference ratio (Ecp/Nt) per wafer, where Ecp represents the energy of each of the preamble chips. If the reverse link preamble is power controlled, the average estimate (Ecp/Nt) is calculated by averaging the wafers (Ecp/Nt) during a particular duration. The coupled load indicator 71〇 can be a function of the expected average (Ecp/Nt) or expected average (Ecp/Nt). Although the coupling load indicator 710 can be forwarded to the servo base station 704 using other methods in some cases, the coupled load indicator 710 is transmitted through the backhaul line 208 in the first exemplary embodiment 93096.doc 1355160. . Therefore, the appropriate signalling and addressing is used to transmit the coupled load indicator 710 via the backhaul line 〇8. The backhaul line interface 〇6 performs any required conversion or processing&apos; to exchange the coupling negative indicator through the backhaul line. In some cases, the coupled load indicator 71 is transmitted through a direct communication link between the non-servo base station 7〇6 and the servo base station 7〇4. For example, in some cases, the RF or microwave point-to-peer system link can be used to send a coupled load that does not match 710. In addition, the coupled load indicator H0 can be transmitted through the mobile station 702 in a certain situation. In the illustrated embodiment, the servo station 704 identifies the mobile station 7〇2 that is expected to transmit during the next transmission period and is based on the coupled load indicator 71〇 received from the non-serving base station 706 (eg, Ecp/ N〇 and action port 702 have authorized (scheduled) the transmission data rate 2 used during the next transmission to generate the predicted coupling load 712. Thus, in the first exemplary embodiment, the transmission parameters include at least the mobile station 7G2. The expected data speed, in addition, 'can be used. Other parameters to calculate the non-servo base station 7〇6 at the front of the #合贞' ·: owing to the material transmission training (four) channel flow to the leading ratio. In the control and voice channel In the case where an independent transmission occurs, it is expected that the load 712 may account for the average expected light load caused by the channels. In the first exemplary embodiment, the surface load 712 is expected to be non-ship base σ. 7G2 expectation (4) Future transmission _ will bear the expected (four) continent and some other function of the transmission parameters including the transfer data rate. The word service base. 704 based on the light load indicator 71〇 to generate the pre- The load 712 is lightly coupled and the expected light load 712 is forwarded to the non-ship base station 706. As a result, in the first exemplary embodiment, the expected coupled load 712 is based on a non-ship base station 706. The measured Ecp/Nt at the servo base station 7〇4, the reverse junction transmission power on the control and voice channels, and the lean rate on the flow channel of the mobile station 702. However, it is expected that the coupled load 712 may be in some cases Representing other values. For example, the estimated load 712 may indicate that the non-servo base station will experience an expected change in the coupling load compared to the previous transmission. If the feeding base station 704 is in the servo-on-active base station group The mobile station 7 including at least one other non-servo base station 7〇6, the base station 704 transmits the non-servo for each 70-color that has been transferred to the feeding base station. The base station 7〇6 generates a predicted coupling load 712. Therefore, any particular base station used as the non-servo base station 7〇6 can receive one from any number of base stations 3 that serve as the servo base station 7〇4. Expected coupling load 712 In the first exemplary embodiment, through the backhaul, line 2〇8 transmits the expected coupled load 712 to the non-servo base station 7〇4. The backhaul line interface performs the required processing and formatting to pass through. The process line 〇8 sends the expected coupled load 712 to the base station 3 that is used as the non-servo base station 7 〇〇 4. In some cases, other techniques can be used to deliver the expected fit load 712. The base station 300 has received the pre-coupled load 712 (the non-servo coupled load portion 602 that caused the total load) from all of the appropriate base stations 7〇4 of the mobile station 702. After that, the non-servo base station 706 (3〇〇) ) Determine the available capacity. The total number of all expected loads 712 is the estimated non-servo-coupled load portion of the total load at base station 300. The available capacity is the difference between the total capacity of the non-servo station 7〇6 (3〇〇) and the total number of expected non-lexical coupled load portions (402) and the unoccupied load portion 4〇8 93996.doc 21 1355160. The available capacity (CAV) at the base station 300 after the load due to voice or basic reverse channel traffic is taken into account can be expressed as: CAV=CTOT-(LoadEx+LoadUA) where CTOT is considered by voice and basic The total capacity of the cells after the load caused by the reverse channel flow; LoadEx is convinced by other base stations and the base station includes the expected non-servo coupled load caused by the mobile station in its active base station group; LoadUA is caused by other sources The load. Using the available capacity, the base station 300 serving as the non-servo base station 7〇6 of the mobile station 702 configures the reverse link resource to the mobile station (not shown) that is being servoed (loading it). In the exemplary embodiment, the non-serving base station 706 does not have any other base station mobile stations in its active base station after the resources are configured to maintain the mobile stations of other active base stations. 8 is a flow diagram of a method of determining a projected coupled load performed at a base station 3 of a servo base station 704 used as at least one mobile station 702, in accordance with a first exemplary embodiment of the present invention, in some cases. The method described in FIG. 8 is executed in the base station 3 that is also used as the non-servo base station 706. The method described with reference to Fig. 8 is performed in the case where at least one non-servo base station 706 is held in an active base station group of at least one mobile station 702 that is servoed by the servo base station 7〇4. The method described herein can be applied to any number of base stations 300 and mobile stations 11() through 114. In the exemplary embodiment, the methods are performed using, at least in part, one or more of the software codes carried by the processor 3〇4 within the base station 300. It will be readily apparent to those skilled in the art from the teachings of the <RTIgt; 93996.doc 1355160</RTI> that various techniques can be adapted to implement the methods described herein. At step 802', the coupled load indicator 71 is received from the base station 3A of the non-servo base station 706 of the at least one mobile station 702. The coupled load indicator 710 indicates the coupled load measured at the non-servo base station 7〇6, which is caused by the mobile station 702 that is served by another base station 3, which serves as the base station 704 of the mobile station 702. The non-serving base station 7〇6 series is included in the active base station group maintained by the mobile station 7〇2. In the first exemplary embodiment, the coupled load indicator 710 represents the Ecp/Nt measured at the non-servo base station 7〇6. In step 804, the servo base station 7〇4 determines the non-servo-base station 7〇6 from the mobile station according to the coupled load indicator 71〇 and at least one transmission parameter. &lt; The pre-alpha ten coupled load 7丨2. In the first exemplary embodiment, the servo mobile station 704 is based on the 'combined load indicator 710' measured at the non-servo base station 7〇6, the scheduled data transmission rate of the mobile station for future expected transmission, and the action. The transmission power level of station 702 is used to calculate the expected surface load of mobile station 7() 2 that is expected to be transmitted during the next transmission period. Therefore, it is expected that the light load will be based on the expected load of the base station, which is caused by the reverse of the mobile station including the base station and the non-servo base station 7〇6 in the active station list of the mobile station. The link transmission first transmits the expected coupling load 712 to the base station of the non-lexical base station 706 used as the mobile station 7〇2 in step 806. In the first exemplary embodiment, the 'expected fit load 712 indicates the pre-arranged data rate and the future expected transmission by the mobile station 7〇2 at the non-feeding base station. 93096.doc -23· 1355160 Calculates the expected load of the Ecp/Nt level. However, coupling load 712 is expected to represent other parameters or values. For example, the coupled load 712 is expected to represent an expected change in the load experienced by the mobile base station 706 due to future transmissions of the mobile station 702 compared to the previous transmission. In the first exemplary embodiment, the coupled load indicator 712 is expected to be formatted to conform to the appropriate protocol and transmitted over the backhaul line 2〇8 of the communication system 100. The predicted coupled load indicator 712 can be forwarded to the non-serving base station 706 using other techniques. For example, a direct link communication link (e.g., a point-to-point microwave link) between the servo base station 7〇4 and the non-servo base station 7〇6 can be used to communicate the projected coupled load. Figure 9 is a flow diagram of a method of determining available capacity at a base station 30 of a non-feeding base station 706 in accordance with a first exemplary embodiment of the present invention. In some cases, the branches described in Fig. 9 are executed in the base station 3 of the servo base station 7〇4 of the other mobile stations 110 to 114. The method described with reference to Figure 9 can be performed in the following scenarios: At least the active base station group maintained by the mobile station includes the non-feeding base platform and the base station. The methods described herein can be made to any number of base stations 300 and mobile stations 11A through 114. At step 902, the base station 300 serving as a mobile base station 7〇2 of the mobile station 7〇2 receives the expected load 712, and the mobile station 7〇2 maintains a group including at least the non-serving base station 7G6 and the servo. Base station 7 () 4 active base station. The expected box load 712, as described above, represents the expected light load that would be tolerated at the non-servo base station 7Q6 due to the expected future transmission of the mobile station 7〇2. At the beginning of the step, the base station 3 used as the non-lexical base station 7〇6 determines the available capacity at the non-servo base station 7〇6 according to the expected 93996.doc •24·1355160 coupling load 712. After taking into account the voice and non-scheduled reverse traffic data, the non-lexical base station determines the available capacity by the difference between the total capacity and the sum of all loads and expected coupling loads. The resulting difference indicates that the non-servo base station 7〇6 may be using the capacity of the non-servo base station 706 available to the mobile stations (10) to (1) served by the servo base station. In step 906, the base station 3 serving as the non-servo base station 7〇6 allocates the resources to the link channel 212 according to the available capacity to the base station 300 serving as the non-servo base station 706 of the mobile station 7〇2. Servo mobile station 11〇 to ιΐ4 (load scheduling for action α 1 1 〇 to 1 1 士). The non-servo base station 7〇6 configures the available capacity by limiting the power level and data rate of any of the mobile stations 110 to 114 served by the non-servo base station 706. In an exemplary embodiment t, the method described with reference to Figures 8 and 9 is performed within a plurality of geographically dispersed base stations 300, wherein any base station 3 can be used alone as a servo base station 704 at any time, alone It is used as a non-servo base station 7〇6 or as a non-serving base station 7〇4 of one or more mobile stations 11〇 to 114 and one or more other mobile stations 110 to 114. In addition, the mobile station 702 can maintain a group of active base stations including a plurality of non-servo base stations 706 in addition to the servo base stations 7〇4. Therefore, in order to effectively manage the reverse link load at various base stations 300, the coupled load indicator 71() is expected to communicate the load 712 to the appropriate base station 3, and considers from the plurality of base stations 300. The calculation is performed with various parameters received. 1 is a method for configuring a source of a reverse link channel 93996.doc -25 - 1355160 i in a communication system 1 of a geographically dispersed base station 300 according to a first exemplary embodiment of the present invention. Flow chart. As described above, the servo base station 7〇4 can be executed in the single base station 300 serving as the servo base station 704 of some of the mobile stations 141 and the non-servo active base station 706 serving as the other mobile station 114. The function of the servo base station 706. In step 1002, the base station 3 serving as the servo base station 704 receives the call load indication 710 measured at the base station 300 serving as the non-servo base station 706, wherein the load is caused by the servo The base station servos and maintains a reverse link transmission of a set of mobile stations 702 including one or more non-servo base stations 7〇6. Each non-servo base station 7 产生 6 generates a light-weighted negative indicator 710 'this indicator 710 together with the transmission rate indicates that the non-servo base station 706 is being measured by another base station 3 The surface load caused by the table. The non-servo base station 7〇6 transmits the coupled load indicator 71〇 to the corresponding servo base station 7〇4 via the backhaul line 708. The appropriate symbols that characterize and describe the relationship between the various base stations 3 〇 7, 7 0 4, and 7 0 6 include the use of subscripts to represent a group of base stations. In the first exemplary specific embodiment, each base station (BSj) (except BSj e ServingBS-MSi) in the active group of the mobile station (MSi) measures and transmits (ECp/Nt) ji to

Msi's servo base station. In this first exemplary embodiment, (Ecp/Nt) ji is used as the coupled load indicator. ServingBS_MSi is the mobile station (1): Servo base station group, and early (Ecp/Nt) ji (1+(T/p)(Ri)+(c/p))/(1 + (ECp/Nt)ji(l+ (T/P)(Ri)+(C/P))Kf, _ The coupling load that the servo base station (BSj) receives due to the mobile station (MSi) servoed by the servo base station. (T/P)(Ri) The flow-to-lead ratio of the flow channel when the transmission rate is Ri. (C/P) is the control channel (and basic channel) power to the leading power ratio of the total 93996.doc -26- 1355160 and in the exemplary specific In the embodiment, the value representing (Ecp/Nt) ji is sent to the servo base station (BSk). At step 1004, each servo base station 704 identifies the servo base station 704 servo and is expected to be during a future transmission cycle. A mobile station 702 is transmitting. For each base station (BSk), BSk determines a group (FSk) mobile station that includes a mobile station that is servoed by BSk and has a priority that exceeds the minimum priority. At step 1006, The servo base station 704 determines the expected coupling load 712 caused by the non-servo base station 706. The base station 704 is acting on the servo station 702. The base station 704 is based on the servo base. The coupling load indicator 710 received at the ground station 704 and the transmission parameters of the mobile station 702 determine the coupling load of each of the mobile stations 702 (ie, members of the group FSk) that are expected to transmit. Therefore, the BSk determines the FSk of the other BSj. The expected coupled load of all MSi, where such BS jt ServingBS_MSj :

CoupledLoadkj(Ri,(Ecp/Nt)ji) = Σ

Sinr^R^CIP)) l + Sinr^R^C/P)) jeActiveSer(i)

jeActiveSer(i)

Sinrji(0,(C/P)) l + SinrjXOXC/P))

The total coupled load that the CoupledLoadkj is at the BSj due to the MSi that the BSk is consuming, Sinr^Ri, E[RFCH] is the estimated signal-to-interference in the case where the MSi is assigned a rate Ri on the R-SCH. Ratio, E[RFCH] is the sum of the power-to-lead channel power ratio of the control channel (including the basic aisle channel and the secondary preamble channel). SinrjJRdC/P)) is related to (Ecp/Nt)ji according to the following formula.

Sinrji(Ri,(C/P))=(Ecp/Nt)ji(l+(T/P)(Ri)+(C/P)) 93996.doc • 27· 1355160 where (T/P)(Ri The ratio of traffic to preamble power when the transmission rate on the traffic channel scheduled by the servo base station is Ri. At step 1008, each of the servo base stations 704 forwards the predicted coupling load (CoupledLoadkj) to the non-serving base station 706. The expected light load 712 represents the expected coupled load calculated by the servo base station 704. Each base station (BSk) forwards CoupledLoadkj to all other base stations. In the exemplary embodiment, the predicted coupled load is transmitted through the backhaul line 208. In step 1110, each base station 300 acting as the non-serving base station 706 of the at least one mobile station 702 and receiving the predicted coupled load 712 is coupled according to the prediction. Load 712 determines the available capacity of non-servo base station 706. Since each non-servo base station 706 can be a servo base station 704 of other mobile stations, each base station 704 receives a coupling from other servo base stations 704 if the particular servo base station 704 is also a non-servo base station 706. Load indicator. Therefore, each non-serving base station 706 that receives the BSk of the CoupledLoadjk is used.

The following expression determines the capacity available at BSk:

CoupledinLoadk= Σ CoupledLoadjk jiBS(k)

CaVk=Cav_baseic-CoupledinLoadk where CoupledinLoadk is the sum of the coupled loads received from other servo base stations 704, and Cavk is available at the servo base station 704 after considering all other loads caused by voice and basic reverse channel data traffic. In step 1012, the servo base station 704, which is also used as the non-servo base station 706, configures the reverse link channel resource configuration 93996.doc -28-1355160 to the mobile station π〇 to 114 according to the available capacity of the servo base station 704 (ie, Mobile station load schedule). Therefore, in the first exemplary embodiment, each of the servo base stations 704 of the non-servo base station 7〇6 is servoed to the servo base station 7〇4 according to the following formula and also maintains the actions of other active base stations. The station MSi performs load scheduling.

CoupledoutLoadk= Σ CoupledLoadkj j€BS(k)

Cavk=Cavk-CoupledoutLoadk where CoupledoutLoadk is the scheduling load of all mobile stations that have multiple base stations in the active group but are servoed by the servo base station. CoupledoutLoadkj is the same as c〇upledinL〇adkj that BSk forwards to BSj. According to the remaining available capacity after scheduling the mobile station, the servo base station BSk configures the reverse channel resource to the mobile station that only maintains the servo base station as the only active base station. Therefore, the first exemplary implementation according to the present invention For example, each base station 3, which is a member of the active base station group of the mobile station 702, measures the light and negative load caused by the mobile station that the other base station 704 is convinced, and transmits the measurement result to the servo of the mobile station 702. Base station 704. Each servo base station 7〇4 calculates the expected coupled load 712 of the mobile station that is servoed by the computing base station 704 and maintains other active base stations. Each of the servo base stations 7〇4 calculates the available capacity based on the pre-coupled load received from the other base stations 3 used as the servo base stations 704 of the other mobile stations. Therefore, each base station 3 determines the W capacity based on the expected combined load calculated by the other base stations of the mobile station that is the total load of the base station 300. Resources can be efficiently configured with a central controller to minimize latency and reduce the possibility of retransmissions and data loss. 93996.doc.29-1355160 Figure π is a block diagram of a portion 1100 of a communication system 100 in accordance with a second exemplary embodiment of the present invention. Based on clear considerations, the map includes chunks representing two mobile stations 1102 and two active base stations 1104, u〇6 (including servo base station 1104 and non-servo base station 1006). Those skilled in the art will appreciate from the principles and well-known techniques that a base station can be used as the servo base station 1104 for many mobile stations 1102 and that any mobile station 11〇2 can maintain any number of active base stations U 04, 11〇6. Thus, the principles described herein can be extended to any number of mobile stations 11, 2, servo base stations 11 and 4, and non-serving base stations 1006. The servo base station 1104 may be the first base station 102, the second base station 104, or the third base station 1〇6 described above with reference to Figs. The servo base station 1104 can also be used as an active non-servo base station 1106 of another mobile station (not shown in FIG. u), and the non-servo base station j丨〇6 can be used as other actions σ (not shown in FIG. 11). Word service base station. Therefore, a base can be used as both the servo base station 11〇4 of some mobile stations and the non-servo active base station 1106 of other mobile stations u〇2. Therefore, in most cases, the functions of each base station u〇4, 11〇6 described herein are simultaneously performed by other base stations 1104, 1106. In the second exemplary embodiment, a base 4 serving as a non-servo base station ιι 〇6 determines the maximum allowable coupling of the mobile station 1102 served by another base station serving as the servo base station 11〇4. load. The non-servo base station 11〇6 can determine the servo not to be served by the non-servo base station 1106 based on the total capacity of the non-servo base station 11〇6 and the load caused by other mobile stations (not shown) that are not served by the servo base station 1106. The maximum allowable coupling load caused by the mobile station 11〇2. In a second exemplary embodiment, the non-servo base station 丨1, 93 93 996.doc • 30-1355160 reserves capacity for a mobile station having some other base station 1104 as a servo base station. The non-servo base station 1106 can determine the maximum allowable coupling load that can be applied to the total load of the non-servo base station 6 by the mobile station 1102 servoed by the base station 11〇4, and then transmit the non-servo base station 1〇6. The sum of the maximum allowable coupling loads 1112 of all the mobile stations 1102 served by the servo base stations 11〇4 of the non-servo base stations 11〇6 in the active base station group. The non-servo base station 1106 can determine the coupled load indicator for each mobile station 11〇2. The coupled load indicator mo represents the measured traffic quality estimate at the non-servo base station due to the reverse link transmission of the mobile station 11〇2. In a CJ) MA system with a power controlled month 'J channel, a long-term average and expected leading SNR is a suitable coupled load indicator. Servo base station 4 will reverse chain according to the maximum allowable load. The node resources are allocated to the mobile station 11〇2. In a second exemplary embodiment, the servo base station 〇4 configures the reverse link resources according to two sets of constraints. The first set of constraints is the transmission data rate imposed by the capacity of the servo base station 11〇4 and required to be configured for the mobile station 11〇2. The load generated at the servo base station 1104 should be less than the available capacity at the servo base station 11〇4. in. The first set of constraints is imposed by the maximum allowable coupling load 1112 reported by the well servo base station 1 . The rate at which the servo base station 4 is configured to all of the mobile stations 11 〇 2 having non-servo base stations 1106 in its active set generates a load at the non-serving base station 1106 that is less than the maximum allowable coupled load. The coupled load indicator 111 0 and the configured transmission data rate determine the expected load caused by the mobile station 11 非 2 at the non-servo base station 1104. Figure 12 is a flow diagram of a method for managing a reverse link channel performed in a base station 300 used as a servo base station in accordance with a second exemplary embodiment of the present invention, 93996.doc - 31-1355160. In some cases, the method illustrated in Figure 12 is performed in a base station 300 that is also used as a non-serving base station 1106. The method described with reference to Fig. 12 is performed in the case where at least one non-servo base station 11〇6 is held in an active base station group of at least one mobile station servoed by the servo base station 1102. The techniques described herein can be applied to any number of base stations 300 and mobile stations 11〇2. At step 1202, the base station 3A serving as the servo base station 11A receives a maximum allowable coupling load 1112 indicating the maximum at another base station 300 serving as the non-servo base station 1106 of the mobile station 1102. Allow coupling loads. The maximum allowable light load 1112 is determined by the non-servo base station 11〇6 based on the priority of the mobile station being served by the non-servo base station 1106 and the service rate request. At step 1204, the load load indicator 1110 is received at the base station 1〇4. In an exemplary embodiment, the coupled load indicator 111 is based on measurements at the non-servo base station 106. The load parameter is coupled and represents the quality of the traffic channel caused by the reverse link transmission 21 of the mobile station 1102 servoed by the servo base station 11〇4 measured at the non-servo base station 1106. At step 1206, the servo base station 11〇4 manages the reverse link transmission of the mobile station 11〇2 based on the maximum allowable coupling load 1112. In the exemplary embodiment, the servo base station 1104 calculates the expected coupled load of all of the mobile stations 11〇2 of the non-servo base station 1106 in its active base station group. Using the coupled load indicator 111〇 of each mobile station 1102 and the mobile station transmission parameters of each mobile station 1102, the servo base station u〇4 calculates the expected coupled load of the mobile station no]. The service base station 11〇4 schedules to the mobile station ι 〇 的 的 939 96. doc -32- 1355160 material transmission rate, so that in the future transmission, the total expected coupling load at the non-servo base station 11〇6 will not The maximum allowable coupling load 1112 is exceeded. Therefore, the servo base station 1104 allocates resources to the mobile station u〇2 while complying with the restrictions provided by the non-servo base station 1106, thereby minimizing the possibility of an overload condition occurring at the non-servo base station 1106. Figure 13 is a flow diagram of a method of managing reverse link channel resources at a base station 300 for use as a non-servo base station 1106 in accordance with a second exemplary embodiment of the present invention. In step 1302, the base station 300 serving as the non-servo base station 11〇6 of the mobile station 1102 forwards a box load indicator mo to another base station 300 serving as the base station 11 04 of the mobile station no: The coupled load indicator Π 10 is based on the coupled load parameter caused by the reverse link transmission of the mobile station 11 measured at the non-servo base station 6. At step 1304, the non-servo base station 1106 determines the maximum allowable coupling load. Various mobile station rate requests are arranged in order of their priority from high to low. After assigning capacity to a mobile station with a higher priority, the mobile station 1102 is assigned a capacity such that a few of the maximum allowable coupling load is retained. The capacity used by the mobile station 1102 is equal. The maximum allowable coupling load 1112 representing the maximum allowable load is forwarded to the base station 3 用作 used as the servo base station at step 1306'. In the second exemplary embodiment, the maximum allowable coupling negative lu2 is sent to the non-servo base station 1104 via the backhaul line 208. 14 is a flow chart of a method for configuring a reverse link channel source 93996.doc • 33· 1355160 source in a geographically dispersed communication system in accordance with a second exemplary embodiment of the present invention. . As described above, the feeding base station 1 can be executed in the single base station 300 serving as the mobile base station 11〇4 of some of the mobile stations 1〇 to 114 and the non-servo active base station 1106 serving as the other mobile station 114. The function of the 丨 and non-feeding base station 1106. At step 1402, all of the base stations maintained in the activity list of the mobile station 1102 served by the other base station forward a coupled load indicator 111 to the other base station 1104 that is serving the mobile station 1102. The coupled load indicator 1110 is the coupled load parameter measured at the base station 11 〇 6. In a second exemplary embodiment, base station 1106 measures and relays the reverse link transmissions carried by other base stations 11〇4 and maintaining mobile station 1102 of base station 1106 in the active base station group. Ecp/Nt value. Appropriate symbols that characterize and say the relationship between various base stations 300, 11 04, 1106 in a month include the use of subscripts to represent a group of base stations. In this second exemplary embodiment, each base station (Bs j) within the active set of the mobile station (MSi) (except for the case of BS j eServingBS_MSi) measures and transmits (ECp/Nt) ji to the MSi Servo base station. In this second exemplary embodiment, (Ecp/Nt) ji is used as the coupled load indicator 1110. servingBS MSi is the servo base station group of the mobile station (1), and (Ecp/Nt)ji(l + (T/P)(Ri)+(C/P))/(l+(Ecp/Nt)ji(l + ( T/P)(Ri)+(C/P))) is the coupled load on the non-feeding base station (BSj) due to the mobile station (MSi) served by the base station (T/P) (Ri ) refers to the flow-to-lead ratio of the traffic channel when the transmission rate is Ri. (C/P) refers to the sum of the power-to-lead power ratio of the control channel (and the basic channel). In the exemplary embodiment, the value representing (Ecp/Nt) ji is sent to the servo base station (BSk). 93996.doc 34· 1355160 In step 1404, the base station 300 serving as the servo base station 1104 receives the coupled load indicator from the base station 1106 maintained by the mobile station served by the base station 1104 in the active base station group. In step 1406, the base station can determine the load of the large surface of the table 1112 caused by the mobile station served by the other base station based on the request and priority of the mobile station served by the base station. Used as a non-servo base station in each base station j-in the private benefit of this retention table, the large allowable load capacity 1112 (MaxTolerableCoupledLoad jk) is used for the servos of other base stations. At 1408, the base station forwards the maximum allowable coupling load to other base stations. Therefore, each base station used as a non-servo base station transfers the maximum allowable load load S Π 12 (MaxTolerable Coupled Load jk) to the servo base station k. At step 1410', the base station 11〇2 serving as the servo base station receives the maximum allowable coupling load 1112 from the non-servo base station Π06 held in the active base station group of the mobile station served by the base station. At 1412, the base station calculates the available capacity of the non-servo base station 1106 for use as a certain mobile station and serves as a mobile station for the base station of the servo base station (10) of the other mobile station. After retaining the capacity for all mobile stations 2 served by other base stations, the base station used as the non-servo base station j calculates its available capacity according to the following formula: CaVj=CaVj-fx|;MarT〇lerableC 〇Upledloadjk ' where CaVj is a non-servo base station j, used to schedule the available capacity of the mobile station of the base station j its servo base station. The factor f represents the degree of conservation of the base station j when it reserves capacity for its mobile station that is not responsible for scheduling. f = 0 indicates that the base station does not reserve any capacity for its non-scheduled mobile station, and f = 1 indicates the most conservative situation for the base station. At step 1414, the base station manages the reverse link transmission based on configuring the reverse link resources for the maximum allowable coupling load 1112 received from the other base stations. In this second exemplary embodiment, the base station k configures the reverse link resource by configuring the transmission data rate to all the mobile stations i served by the base Sk according to the following criteria: «e&amp;^(〇C 〇UpledLoadj^Ri&gt;(Ecp/Ni)ij)&lt;MaxTolerableCoupledLoadw i:j(tActiveBS(i) Jk

SinrM, (C/P)) l + SmrM^ChP)) ~ V* where CoupledLoad and Sinr are as defined above with reference to the first embodiment. Therefore, each base station determines the coupling load caused by the mobile stations served by other base stations at the base station, reserves the capacity for the mobile stations, and transfers the maximum allowable coupling load to all the words of the mobile stations. The base station is configured to configure reverse link resources based on the available capacity of the base station being served by the base station and the maximum allowable load received from the non-servo base station of the mobile station being served by the base station. Figure 15 is a block diagram of a portion 1500 of a communication system 100 for providing communication services for mobile stations 110-114 using geographically dispersed base stations 102-108 in accordance with a third exemplary embodiment of the present invention. In most cases, the communication system 1 includes a number of base stations 1504, 1 506 that are strategically positioned to provide wireless communication services to a plurality of mobile stations 15 〇 2 . According to the quality of the communication channel between the mobile station 1502 and the 93996.doc-36 · 1355160 base station (1504, 1506), the mobile station 15〇2 can be connected to more than one base station at any special time (15〇4, 15 〇 6) Communication. As described above, the parent mobile station 1502 maintains a set of active base stations, wherein the communication link between the mobile station 1502 and the active base stations 15〇4, 15〇6 is sufficient for overnight use. In the active base station, one base station is used as the servo base station 15〇4, and the other base stations in the activity group are non-servo base stations 1506. Such situations typically occur during a soft handover, where a single base station performs the functions of a servo base station 1504 and one or more other base stations are non-servo active base stations 1506. If conditions permit, the role of the servo base station 1504 can be transferred to a base station that is used as a non-servo active base station 1506 (i.e., soft handover occurs). Based on clear considerations, Figure 15 includes blocks representing a mobile station 15〇2 and two active base stations 1504, 15〇6 (including a servo base station 1504 and a non-servo base σ 1506). Those skilled in the art will understand from the principles and well-known techniques that 'base station 3' can be used as a feeding base station 1504 for many mobile stations 15〇2, and any mobile station 15〇2 can maintain any number of activities. Base station | 504, 1506. Thus, the principles described herein can be extended to any number of mobile stations 1502, servo base stations 15〇4 and non-servo base stations 15〇6. As discussed in more detail below, other base stations 3 may not have a sufficient quality communication link with the mobile station 15〇2 to become an active base station but may cause the load on any of the active base stations 1504, 1506. . The feeding base station (10) may be used as the other mobile station for the first base station 1 2, the second base station 104 or the third base station 10^ the servo base station 15〇4 described above with reference to Figs. (not shown) non-lexical base station (four), and non-servo base 93996.doc • 37- 丄 is 5160 platform 1506 can (4) other base stations (not shown in Figure 15) word service base station (10). Therefore, the base stations 102 to 1 8 can be used as the servo base station 1504 of some mobile stations 15 〇 2 and used as non-feeding base stations of other mobile stations. Therefore, in the case of a large number of Ifs, the functions of each of the mobile stations 1504 and 1506 described herein are simultaneously performed by other base stations.

In this second non-standard embodiment, the base station 300 used as the non-servo base station 1506 estimates the expected light load 1 caused by the mobile station 1502 served by the other base station 1504 and is light according to expectations. Configure the reverse link resource by load measurement. Therefore, in the third exemplary embodiment of the present invention, the direct or external itinerary is not transmitted through the servo base station and the non-substantial base station 1506. The service base station 1504 All the mobile stations 15G2 that are being convinced are scheduled according to the channel quality of the traffic channel received at the servo base station 15〇4.

The non-feeding base station 15〇6 is not convinced that the base station is not accommodating it) but it is transmitting all the mobile stations of the reverse link signal 210 received and processed by the non-servo base station 15()6. After the expected light load (10) is caused, 'the mobile station (not shown) that is fed by the non-feeding base station _ is scheduled. In some cases, the non-feeding base station i 5〇6 estimates the expected surface load 1 based on measurements made by the mobile station that soft-delivered with the non-servo base station 15G6, such as the previous transmission. The estimate includes the total expected fit load from all of the mobile stations 152 that the 1506 is its non-servo base station 1506 and is served by any other base station. Figure 16 is a diagram of a reverse clock managed in a geographically dispersed base station communication system ι〇〇93996.doc • 38· 1355160 in accordance with a third exemplary embodiment of the present invention. Flow chart of the method of gentleman's cans ~ Beiyuan. In step 1, ^ iDW ' a non-servo base station 15 〇 6 measures the stalk handle load parameters caused by the reverse link transmission 210 of the mobile station 1502 served by the other base stations 1504. In a third exemplary embodiment, during each transmission interval, the non-servo base station j measures the preamble SNR of the reception with BS j but not all ms 排 of the Bs" schedule in the active set. ((Ecp/Nt)ji) and the transmission rate on the control and voice channels. According to (Ecp/Nt)ji and the transmission rate Ri, the total coupling load during the current transmission (indexed by η) is calculated according to the following formula (T〇tC〇upledL〇adj)

TotCoupledLoadj[n]= Σ Sinr^jC! P)) : End, (c/household)) where SinrjKUC/PDKEcp/NtUl+CT/PKRiWC/P)). At step 1604, base station 1506 estimates the expected coupled load for a future transmission based on the measured total coupled load of the at least one previous transmission. Any of several techniques may be used to estimate the expected light load for a future transmission (TotCoupledLoadj[n+1]), and the particular technique depends on the type of communication system 100, the reverse link 2 10, 212 Transmission structure and other factors. One suitable technique involves using the measured Tot Couple dLo a dj [η] as the predicted value of TotCoupledLoadj[n+1]. Another technique involves calculating the filtered average (Exp_TotCoupledLoadj) to estimate TotCoupledLoadj [n+1], As specified in the following formula:

L

Exp_TotCoupledLoadj[n+l ] = Σ «.TotCoupledLoadj[n-i] where α,. is the over-constrained coefficient' and L is the transition length. Signal processing schemes can be used to estimate the coefficients. In addition, the coefficient can be adaptively changed so as to estimate the mean square between TotC〇upledL〇adj[n+i] and Dan T〇tCoupledLoadj[n+l] at the minimum time of 93996.doc -39· 1355160. error. Therefore, it is determined that the expected switching load for the total light combined load of at least one previous transmission caused by the reverse transmission (10) of the mobile station servoed by the other base station is based on the previous _ combined load and can be set equal to the previous light. One of the combined loads may be determined by processing a plurality of light combined loads of previous transmission cycles. In some cases, other techniques may be used to determine the estimated projected coupled load based on the previous combined load. In a system with hybrid ARQ on reverse link transmission, the transmission of packet r is performed by multiple transmissions until the packet is successfully received. If the delay between the first and individual transmissions remains the same, then the packet's transmission line and its subsequent retransmissions are referred to as an ARQ instance. Due to retransmissions, there is a strong correlation between the coupled loads during subsequent ARQ instances. To take advantage of this correlation, the TotalCoupledLoad can be estimated from previous transmissions during the same arq instance. At step 1606, the base station transmits a reverse link transmission of the mobile station served by the base station based on the estimated expected coupled load 15 〇 8 . In a third exemplary embodiment, after determining the estimated expected light load Est_TotCoupledLoadj[n+l], the non-servo base station j may be updated according to the following formula for using the base station j as a servo base station. The available capacity of the mobile station for scheduling:

CaVj = CaVj - Est_TotCoupledLoadj In a third exemplary embodiment, base station j configures reverse link resources 'to make it no more than the total available capacity. Thus, in a third exemplary embodiment, the base station used as the non-servo base station 1506 estimates the expected coupling caused by all of the mobile stations 15〇2 served by the other 93996.doc -40·1355160 base station 1504. The load, and after considering the total expected coupled load, configures the reverse link resource to the non-servo base station 5〇6 servoed mobile station according to the remaining total capacity at the base station. It is apparent that other embodiments and modifications of the present invention will be readily apparent to those skilled in the art. The above description is illustrative and not limiting. The present invention is to be limited only by the scope of the following claims, which are intended to cover all such specific embodiments and modifications. Therefore, the scope of the present invention should not be determined by reference to the above description, and _ should be determined with reference to the complete scope of the scope of the appended claims and their equivalents. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a block diagram of a communication system having geographically dispersed base stations in accordance with an exemplary embodiment of the present invention. Figure 2 is a block diagram of a portion of a communication system in which a single mobile station communicates with a base station serving as a servo base station and a non-servo base station. 3 is a block diagram of a base station in accordance with an exemplary embodiment of the present invention. 4 is a block diagram showing an exemplary relationship between a mobile station and a base station in accordance with a third exemplary embodiment of the present invention. Figure 5 is a table illustrating an exemplary relationship between a mobile station and a base station in accordance with a third exemplary embodiment of the present invention. The figure is an illustration of an exemplary assignment of a reverse chain load and a reverse link coupled load in a base station in accordance with a third exemplary embodiment of the present invention. 93996.doc • 41 · 1355160. Figure 7 is a block diagram of a portion of a communication system in accordance with the present invention, which is a non-standard embodiment of the present invention. Figure 8 is a flow diagram of a method of predicting a light load at a servo base station in accordance with a first exemplary embodiment of the present invention. Figure 9 is a flow diagram of a method of determining available capacity at a non-lexical base station in accordance with a first exemplary embodiment of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a flow diagram of managing reverse link channel resources in a communication system in accordance with an exemplary embodiment of the present invention. Figure 11 is a block diagram of a portion of a communication system of a second exemplary embodiment of the present invention. Figure 12 is a flow diagram of a method of managing a reverse link channel performed in a base station used as a base station in accordance with a third exemplary embodiment of the present invention. Figure 13 is a flow diagram of a method of managing reverse link channel resources at a base station acting as a non-serving base station in accordance with a second exemplary embodiment of the present invention. Figure 14 is a flow diagram of a method of configuring reverse link channel resources in a communication system having geographically dispersed base stations in accordance with a second exemplary embodiment of the present invention. Figure 15 is a block diagram of a portion of a communication system for providing communication services to a mobile station using a geographically dispersed base station in accordance with a third exemplary embodiment of the present invention. Figure 16 is a flow diagram of a method of managing a reverse link resource in a communication system having a geographically dispersed base station, performed in a base station 93096.doc - 42 · 1355160, in accordance with a third exemplary embodiment of the present invention. . [Main component symbol description] 100 Communication system 102 Base station 104 Base station 106 Base station 108 Base station 110 Mobile station 112_Mobile station 114 Mobile station 116 Covered area 118 Covered area 120 Covered area 122 Covered area 200 One part of communication system 202 Action Station 204 Servo base station 206 Non-servo base station 208 Return line 210 Forward communication link 212 Reverse communication link 300 Base station 302 Radio transceiver 93096.doc - 43 - 3041355160 306 308 600 602 604 606 608 700 702 704 706 710 712 1102 1104 1106 1110 1112 1500 1502 1504 1506 1508 Processor backhaul line interface antenna load pie chart non-servo coupling load part servo non-single load part servo single part unoccupied coupling load part of communication system part _ mobile station base station Base station coupled load indicator predicts coupled load mobile station servo base station non-servo base station coupled load indicator maximum allowable coupled load communication system. Part of the mobile station base station base station expected coupling load 93996.doc .44-

Claims (1)

1355160 X. Application for Patent Park: The method of arranging the reverse link resource to action D in the decentralized base station communication system, which is executed on a non-servo base station, configured with reverse link resources At least one mobile station is servoed by another base station. The method includes: measuring a coupled load parameter of a reverse link transmission of the at least one mobile station served by another base station; calculating the load parameter according to the load The inverse link transmission of the at least one mobile station causes an estimated expected light load; and the reverse bonding resource is configured to other mobile stations served by the base station based on the estimated load of the estimated leaf. 2. The method of claim 1, wherein the configuring the reverse link resources comprises: scheduling a data transfer rate to the other mobile stations that are convinced by the base station to generate at the base station The total reverse link load caused by these other mobile stations is such that it does not exceed the difference between the base quantity and the estimated expected light load. 3. The method of claim 2, wherein the estimating comprises: calculating, according to a previous number, the measurement of the at least one previously coupled negative transmission period, the measurement of the light load combined with the (four) inverse (four) junction transmission of a mobile station And the roots of the previous coupling The expected coupling coupling of the sputum load is calculated as the square of the request item 3, +^ contains, and the expected estimated light load έ / 拍 _ combined load is calculated as the first Negative „ Temple 0 93996.doc 135516° 5. 6· °月 ''Item 3, where the calculation of the previous coupling negative multiple previous light load. 3 leaf nose The method of claim 5, wherein the calculating the estimated expected light load further comprises calculating the total expected coupled load of the plurality of previous light combined loads. The method of item 1, wherein the measuring the light load parameters comprises a residual stem-to-wafer energy-to-noise plus interference ratio (Ecp/Nt). 8. The method of clause 7, wherein the estimating the estimated consumable load of the juice further comprises calculating a predicted coupling of the estimate based on a reverse link signal transmitted by the at least one mobile station: a transmission data rate load. The method of claim 7, wherein calculating the estimated projected light load load comprises calculating the estimated projected coupled load based on a transmission power level of the reverse link transmitted by the at least one mobile station. A method in a base station in a decentralized base station communication system, the method comprising: Measuring a coupled load parameter transmitted by the other base stations to the at least one mobile station; σ calculating a total load of the previous transmission period based on the light load parameters Representing the total load caused by the reverse link transmission of the mobile stations; calculating an estimated fit load of one of the current transmissions based on the total coupled load; Calculating the estimated total coupling capacity of the base station minus the estimated available negative-total available capacity by loading from the base station; and 93096.doc 1355160 Configuring the reverse link resource according to the total available capacity Other mobile stations served by the base station. u. The method of claim 4, wherein the configuring the reverse link resources comprises: scheduling a data transmission rate to the other mobilization stations served by the base station to generate at the base station One of the other mobile stations causes a total reverse link load that does not exceed the total available capacity of the base station. 12. The method of claim 11, wherein the calculating the estimated projected coupled load comprises calculating the estimated predicted coupled load to be equal to the previous coupled load. a method as claimed, wherein the calculating the previous light load comprises calculating a plurality of previous light load. 14. The method of claim 13, wherein calculating the estimated estimated light load further comprises calculating a total expected combined light load of the plurality of previously combined loads. 15. 16. 17. For example, the method of claim iG, wherein the measuring the light load parameters comprises a measurement—a per-wafer energy-to-noise plus interference ratio (Ecp/Nt) » as in the method of claim 15# Calculating the estimated combined load of the current transmission further includes calculating an estimated coupled load of the current transmission based on a transmission data rate of the reverse link signal transmitted by the at least one mobile station. The method of claim 16, wherein calculating the estimated expected coupled load of the current pass further comprises calculating the current transmission 93096 based on a transmit power level of the reverse link signal transmitted by the at least one mobile station. Doc 1355160 The estimated coupled load of this estimate. A processor for a base station of a decentralized base station b system, the processor is configured to: calculate a counter of a mobile station served by another base station based on the coupled load parameters measured at the base station a total coupled load for one of the previous transmission periods from the link transmission; calculating an estimated coupled load estimated from one of the current transmission periods based on the total coupled load; and by using one from the base station The total available capacity of one of the base stations is calculated by subtracting the estimated expected coupled load from the estimated capacity. 19. The processor of claim 18, wherein the processor is further configured to configure the reverse link resource to other mobile stations served by the base station based on the total available capacity. The processor is further configured to configure the reverse link resources to schedule the data transfer rate to the other mobile stations served by the base station, as in the case of claim 19. At the base station, one of the total reverse link loads caused by the other mobile stations, such as the other mobile stations, is generated, and the total available capacity of the base station is not exceeded. 21. The request unit 20, /, the processor is further configured to calculate the estimated projected consumable load from the estimated combined load to calculate the estimated expected combined load. 22. The processor of claim 20, wherein ^, . τ the processor is further configured to calculate the total coupled load by counting a plurality of pre- _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The processor of claim 22, wherein the processor is further configured to calculate the estimated coupling of the estimate by calculating a filtered average expected coupled load of one of the plurality of previously coupled loads load. 24. The processor of claim 20, wherein the coupled load parameters comprise - a per-wafer energy to noise plus interference ratio (Ecp/Nt) 〇 25. The processor of claim 20, wherein the processor is further configured The estimated coupled load of the current transmission period is calculated based on a transmission data rate of one of the reverse link signals transmitted by the at least one mobile station. 26. The processor of claim 20, wherein the processor is further configured to calculate the estimate of the current transmission period based on the transmission power level of one of the reverse link signals transmitted by the two mobile stations. The coupling load is expected. 93996.doc